Avoid line breaks in import attributes #16349
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kachkaev
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Jun 4, 2024
Co-authored-by: Alexander Kachkaev <alexander@kachkaev.ru>
kachkaev
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Jun 4, 2024
Co-authored-by: Alexander Kachkaev <alexander@kachkaev.ru>
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sosukesuzuki
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Jun 5, 2024
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This PR is LGTM, but do we need to additionally consider the following cases, where the print-width is exceeded and there are multiple keys? This is not possible in the current ECMAScript / HTML standard, but it may be something to consider for the future. Prettier pr-16349 --parser babelInput: import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with {
type: "json", otherKey1: "foo", otherKey2: "foo"
};Output: import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json", otherKey1: "foo", otherKey2: "foo" }; |
I agree, we may want check attributes length in future. |
|
I'm not sure if the spec allow line break before import something
from "./some-very-very-very-very-very-very-very-very-long-path.json"
with {
type: "json", otherKey1: "foo", otherKey2: "foo"
};But Babel allows |
|
I'm going to release a patch version. |
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##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
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##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
renovate bot
added a commit
to mmkal/eslint-plugin-mmkal
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this pull request
Aug 21, 2024
##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
renovate bot
added a commit
to mmkal/eslint-plugin-mmkal
that referenced
this pull request
Aug 21, 2024
##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
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##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
renovate bot
added a commit
to mmkal/eslint-plugin-mmkal
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this pull request
Aug 21, 2024
##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
renovate bot
added a commit
to mmkal/eslint-plugin-mmkal
that referenced
this pull request
Aug 21, 2024
##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
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##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
renovate bot
added a commit
to mmkal/eslint-plugin-mmkal
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this pull request
Aug 22, 2024
##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
renovate bot
added a commit
to mmkal/eslint-plugin-mmkal
that referenced
this pull request
Aug 22, 2024
##### [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ##### [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ##### [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ##### [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ##### [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ##### [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ##### [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ##### [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ##### [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ##### [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ##### [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ```
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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| datasource | package | from | to | | ---------- | -------- | ----- | ----- | | npm | prettier | 2.8.8 | 3.3.3 | ## [v3.3.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#333) [diff](prettier/prettier@3.3.2...3.3.3) ##### Add parentheses for nullish coalescing in ternary ([#16391](prettier/prettier#16391) by [@cdignam-segment](https://github.com/cdignam-segment)) This change adds clarity to operator precedence. <!-- prettier-ignore --> ```js // Input foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.2 foo ? bar ?? foo : baz; foo ?? bar ? a : b; a ? b : foo ?? bar; // Prettier 3.3.3 foo ? (bar ?? foo) : baz; (foo ?? bar) ? a : b; a ? b : (foo ?? bar); ``` ##### Add parentheses for decorator expressions ([#16458](prettier/prettier#16458) by [@y-schneider](https://github.com/y-schneider)) Prevent parentheses around member expressions or tagged template literals from being removed to follow the stricter parsing rules of TypeScript 5.5. <!-- prettier-ignore --> ```ts // Input @(foo`tagged template`) class X {} // Prettier 3.3.2 @foo`tagged template` class X {} // Prettier 3.3.3 @(foo`tagged template`) class X {} ``` ##### Support `@let` declaration syntax ([#16474](prettier/prettier#16474) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Adds support for Angular v18 `@let` declaration syntax. Please see the following code example. The `@let` declaration allows you to define local variables within the template: <!-- prettier-ignore --> ```html @let name = 'Frodo'; <h1>Dashboard for {{name}}</h1> Hello, {{name}} ``` For more details, please refer to the excellent blog post by the Angular Team: [Introducing @let in Angular](https://blog.angular.dev/introducing-let-in-angular-686f9f383f0f). We also appreciate the Angular Team for kindly answering our questions to implement this feature. ## [v3.3.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#332) [diff](prettier/prettier@3.3.1...3.3.2) ##### Fix handlebars path expressions starts with `@` ([#16358](prettier/prettier#16358) by [@Princeyadav05](https://github.com/Princeyadav05)) <!-- prettier-ignore --> ```hbs {{! Input }} <div>{{@x.y.z}}</div> {{! Prettier 3.3.1 }} <div>{{@x}}</div> {{! Prettier 3.3.2 }} <div>{{@x.y.z}}</div> ``` ## [v3.3.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#331) [diff](prettier/prettier@3.3.0...3.3.1) ##### Preserve empty lines in front matter ([#16347](prettier/prettier#16347) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.0 --> --- foo: - bar1 - bar2 - bar3 --- Markdown <!-- Prettier 3.3.1 --> --- foo: - bar1 - bar2 - bar3 --- Markdown ``` ##### Preserve explicit language in front matter ([#16348](prettier/prettier#16348) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```markdown <!-- Input --> ---yaml title: Hello slug: home --- <!-- Prettier 3.3.0 --> --- title: Hello slug: home --- <!-- Prettier 3.3.1 --> ---yaml title: Hello slug: home --- ``` ##### Avoid line breaks in import attributes ([#16349](prettier/prettier#16349) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.0 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; // Prettier 3.3.1 import something from "./some-very-very-very-very-very-very-very-very-long-path.json" with { type: "json" }; ``` ## [v3.3.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#330) [diff](prettier/prettier@3.2.5...3.3.0) 🔗 [Release Notes](https://prettier.io/blog/2024/06/01/3.3.0.html) ## [v3.2.5](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#325) [diff](prettier/prettier@3.2.4...3.2.5) ##### Support Angular inline styles as single template literal ([#15968](prettier/prettier#15968) by [@sosukesuzuki](https://github.com/sosukesuzuki)) [Angular v17](https://blog.angular.io/introducing-angular-v17-4d7033312e4b) supports single string inline styles. <!-- prettier-ignore --> ```ts // Input @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.4 @component({ template: `<div>...</div>`, styles: `h1 { color: blue; }`, }) export class AppComponent {} // Prettier 3.2.5 @component({ template: `<div>...</div>`, styles: ` h1 { color: blue; } `, }) export class AppComponent {} ``` ##### Unexpected embedded formatting for Angular template ([#15969](prettier/prettier#15969) by [@JounQin](https://github.com/JounQin)) Computed template should not be considered as Angular component template <!-- prettier-ignore --> ```ts // Input const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.4 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} // Prettier 3.2.5 const template = "foobar"; @component({ [template]: `<h1>{{ hello }}</h1>`, }) export class AppComponent {} ``` ##### Use `"json"` parser for `tsconfig.json` by default ([#16012](prettier/prettier#16012) by [@sosukesuzuki](https://github.com/sosukesuzuki)) In [v2.3.0](https://prettier.io/blog/2024/01/12/3.2.0#new-jsonc-parser-added-15831httpsgithubcomprettierprettierpull15831-by-fiskerhttpsgithubcomfisker), we introduced `"jsonc"` parser which adds trialing comma **by default**. When adding a new parser we also define how it will be used based on the [`linguist-languages`](https://www.npmjs.com/package/linguist-languages) data. `tsconfig.json` is a special file used by [TypeScript](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html#using-tsconfigjson-or-jsconfigjson), it uses `.json` file extension, but it actually uses the [JSON with Comments](https://code.visualstudio.com/docs/languages/json#\_json-with-comments) syntax. However, we found that there are many third-party tools not recognize it correctly because of the confusing `.json` file extension. We decide to treat it as a JSON file for now to avoid the extra configuration step. To keep using the `"jsonc"` parser for your `tsconfig.json` files, add the following to your `.pretterrc` file ```json { "overrides": [ { "files": ["tsconfig.json", "jsconfig.json"], "options": { "parser": "jsonc" } } ] } ``` <!-- prettier-ignore --> ``` ``` ## [v3.2.4](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#324) [diff](prettier/prettier@3.2.3...3.2.4) ##### Fix incorrect parser inference ([#15947](prettier/prettier#15947) by [@fisker](https://github.com/fisker)) Files like `.eslintrc.json` were incorrectly formatted as JSONC files. <!-- prettier-ignore --> ```jsx // Input prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "jsonc" } // Prettier 3.2.4 prettier --file-info .eslintrc.json { "ignored": false, "inferredParser": "json" } ``` ## [v3.2.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#323) [diff](prettier/prettier@3.2.2...3.2.3) ##### Throw errors for invalid code ([#15881](prettier/prettier#15881) by [@fisker](https://github.com/fisker), [@Josh-Cena](https://github.com/Josh-Cena), [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```ts // Input 1++; // Prettier 3.2.2 1++; // Prettier 3.2.3 SyntaxError: Invalid left-hand side expression in unary operation (1:1) > 1 | 1++; | ^ ``` <!-- prettier-ignore --> ```ts // Input try {} catch (error = 1){} // Prettier 3.2.2 try { } catch (error) {} // Prettier 3.2.3 SyntaxError: Catch clause variable cannot have an initializer. (1:23) > 1 | try {} catch (error = 1){} | ^ ``` ##### Fix parser inference ([#15927](prettier/prettier#15927) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```console // Prettier 3.2.2 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "json" } // Prettier 3.2.3 prettier --file-info tsconfig.json { "ignored": false, "inferredParser": "jsonc" } ``` ## [v3.2.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#322) [diff](prettier/prettier@3.2.1...3.2.2) ##### Fix crash when parsing template literal CSS in a JSX style tag using a spread attribute ([#15896](prettier/prettier#15896) by [@eelco](https://github.com/eelco)) For example this code would crash before: <!-- prettier-ignore --> ```jsx <style {...spread}>{`.{}`}</style> ``` ##### Fix formatting error on optional call expression and member chain ([#15920](prettier/prettier#15920) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input a(() => {}, c?.d()); // Prettier 3.2.1 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.2 a(() => {}, c?.d()); ``` ## [v3.2.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#321) [diff](prettier/prettier@3.2.0...3.2.1) ##### Fix formatting error on member chain ([#15915](prettier/prettier#15915) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```jsx // Input test().test2().test2(thing?.something); // Prettier 3.2.0 TypeError: Cannot read properties of undefined (reading 'type') // Prettier 3.2.1 test().test2().test2(thing?.something); ``` ## [v3.2.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#320) [diff](prettier/prettier@3.1.1...3.2.0) 🔗 [Release Notes](https://prettier.io/blog/2024/01/13/3.2.0.html) ## [v3.1.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#311) [diff](prettier/prettier@3.1.0...3.1.1) ##### Fix config file search ([#15363](prettier/prettier#15363) by [@fisker](https://github.com/fisker)) Previously, we start search for config files from the filePath as a directory, if it happened to be a directory and contains config file, it will be used by mistake. ```text ├─ .prettierrc └─ test.js (A directory) └─ .prettierrc ``` ```js // Prettier 3.1.0 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/test.js/.prettierrc // Prettier 3.1.1 await prettier.resolveConfigFile(new URL("./test.js", import.meta.url)); // <CWD>/.prettierrc ``` ##### Skip explicitly passed symbolic links with `--no-error-on-unmatched-pattern` ([#15533](prettier/prettier#15533) by [@sanmai-NL](https://github.com/sanmai-NL)) Since Prettier v3, we stopped following symbolic links, however in some use cases, the symbolic link patterns can't be filtered out, and there is no way to prevent Prettier from throwing errors. In Prettier 3.1.1, you can use `--no-error-on-unmatched-pattern` to simply skip symbolic links. ##### Consistently use tabs in ternaries when `useTabs` is `true` ([#15662](prettier/prettier#15662) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.0 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; // Prettier 3.1.1 aaaaaaaaaaaaaaa ? bbbbbbbbbbbbbbbbbb : ccccccccccccccc ? ddddddddddddddd : eeeeeeeeeeeeeee ? fffffffffffffff : gggggggggggggggg; ``` ##### Improve config file search ([#15663](prettier/prettier#15663) by [@fisker](https://github.com/fisker)) The Prettier config file search performance has been improved by more effective cache strategy. ##### Fix unstable and ugly formatting for comments in destructuring patterns ([#15708](prettier/prettier#15708) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input const { foo, // bar // baz }: Foo = expr; // Prettier 3.1.0 const { foo1, } // bar // baz : Foo = expr; // Prettier 3.1.0 second output const { foo1, // bar } // baz : Foo = expr; // Prettier 3.1.1 const { foo1, // bar // baz }: Foo = expr; ``` ##### Support "Import Attributes" ([#15718](prettier/prettier#15718) by [@fisker](https://github.com/fisker)) [TypeScript 5.3](https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#import-attributes) supports the latest updates to the [import attributes](https://github.com/tc39/proposal-import-attributes) proposal. ```tsx import something from "./something.json" with { type: "json" }; ``` ##### Fix false claim in docs that cursorOffset is incompatible with rangeStart/rangeEnd ([#15750](prettier/prettier#15750) by [@ExplodingCabbage](https://github.com/ExplodingCabbage)) The cursorOffset option has in fact been compatible with rangeStart/rangeEnd for over 5 years, thanks to work by [@ds300](https://github.com/ds300). However, Prettier's documentation (including the CLI `--help` text) continued to claim otherwise, falsely. The documentation is now fixed. ##### Keep curly braces and `from` keyword in empty `import` statements ([#15756](prettier/prettier#15756) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import { } from 'foo'; import { /* comment */ } from 'bar'; // Prettier 3.1.0 import {} from "foo"; import /* comment */ "bar"; // Prettier 3.1.1 import {} from "foo"; import {} from /* comment */ "bar"; ``` ##### Keep empty import attributes and assertions ([#15757](prettier/prettier#15757) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // Input import foo from "foo" with {}; import bar from "bar" assert {}; // Prettier 3.1.0 import foo from "foo"; import bar from "bar"; // Prettier 3.1.1 import foo from "foo" with {}; import bar from "bar" assert {}; ``` ## [v3.1.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#310) [diff](prettier/prettier@3.0.3...3.1.0) 🔗 [Release Notes](https://prettier.io/blog/2023/11/13/3.1.0.html) ## [v3.0.3](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#303) [diff](prettier/prettier@3.0.2...3.0.3) ##### Add `preferUnplugged: true` to `package.json` ([#15169](prettier/prettier#15169) by [@fisker](https://github.com/fisker) and [@so1ve](https://github.com/so1ve)) Prettier v3 uses dynamic imports, user [will need to unplug Prettier](yarnpkg/berry#5411 (comment)) when Yarn's PnP mode is enabled, add [`preferUnplugged: true`](https://yarnpkg.com/configuration/manifest#preferUnplugged) to `package.json`, so Yarn will install Prettier as unplug by default. ##### Support shared config that forbids `require()` ([#15233](prettier/prettier#15233) by [@fisker](https://github.com/fisker)) If an external shared config package is used, and the package `exports` don't have `require` or `default` export. In Prettier 3.0.2 Prettier fails when attempt to `require()` the package, and throws an error. ```text Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: No "exports" main defined in <packageName>/package.json ``` ##### Allow argument of `require()` to break ([#15256](prettier/prettier#15256) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```jsx // Input const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); // Prettier 3.0.2 const plugin = require(global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..")); // Prettier 3.0.3 const plugin = require( global.STANDALONE ? path.join(__dirname, "../standalone.js") : path.join(__dirname, "..") ); ``` ##### Do not print trailing commas in arrow function type parameter lists in `ts` code blocks ([#15286](prettier/prettier#15286) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ````md <!-- Input --> ```ts const foo = <T>() => {} ``` <!-- Prettier 3.0.2 --> ```ts const foo = <T,>() => {} ``` <!-- Prettier 3.0.3 --> ```ts const foo = <T>() => {} ``` ```` ##### Support TypeScript 5.2 `using` / `await using` declaration ([#15321](prettier/prettier#15321) by [@sosukesuzuki](https://github.com/sosukesuzuki)) Support for the upcoming Explicit Resource Management feature in ECMAScript. [`using` / `await using` declaration](https://devblogs.microsoft.com/typescript/announcing-typescript-5-2/#using-declarations-and-explicit-resource-management) <!-- prettier-ignore --> ```tsx { using foo = new Foo(); await using bar = new Bar(); } ``` ## [v3.0.2](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#302) [diff](prettier/prettier@3.0.1...3.0.2) ##### Break after `=` of assignment if RHS is poorly breakable AwaitExpression or YieldExpression ([#15204](prettier/prettier#15204) by [@seiyab](https://github.com/seiyab)) <!-- prettier-ignore --> ```js // Input const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); // Prettier 3.0.1 const { section, rubric, authors, tags } = await utils.upsertCommonData( mainData, ); // Prettier 3.0.2 const { section, rubric, authors, tags } = await utils.upsertCommonData(mainData); ``` ##### Do not add trailing comma for grouped scss comments ([#15217](prettier/prettier#15217) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```scss /* Input */ $foo: ( 'property': (), // comment 1 // comment 2 ) /* Prettier 3.0.1 */ $foo: ( "property": (), // comment 1 // comment 2, ); /* Prettier 3.0.2 */ $foo: ( "property": (), // comment 1 // comment 2 ); ``` ##### Print `declare` and `export` keywords for nested namespace ([#15249](prettier/prettier#15249) by [@sosukesuzuki](https://github.com/sosukesuzuki)) <!-- prettier-ignore --> ```tsx // Input declare namespace abc1.def {} export namespace abc2.def {} // Prettier 3.0.1 namespace abc1.def {} namespace abc2.def {} // Prettier 3.0.2 declare namespace abc1.def {} export namespace abc2.def {} ``` ## [v3.0.1](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#301) [diff](prettier/prettier@3.0.0...3.0.1) ##### Fix cursor positioning for a special case ([#14812](prettier/prettier#14812) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js // <|> is the cursor position /* Input */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|> } from "fs" /* Prettier 3.0.0 */ // All messages are represented in JSON. // So, the prettier.py <|>controls a subprocess which spawns "node {this_file}". import {} from "fs" /* Prettier 3.0.1 */ // All messages are represented in JSON. // So, the prettier.py controls a subprocess which spawns "node {this_file}". import {<|>} from "fs" ``` ##### Fix plugins/estree.d.ts to make it a module ([#15018](prettier/prettier#15018) by [@kingyue737](https://github.com/kingyue737)) Add `export {}` in `plugins/estree.d.ts` to fix the "File is not a module" error ##### Add parenthesis around leading multiline comment in return statement ([#15037](prettier/prettier#15037) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```jsx // Input function fn() { return ( /** * @type {...} */ expresssion ) } // Prettier 3.0.0 function fn() { return /** * @type {...} */ expresssion; } // Prettier 3.0.1 function fn() { return ( /** * @type {...} */ expresssion ); } ``` ##### Add support for Vue "Generic Components" ([#15066](prettier/prettier#15066) by [@auvred](https://github.com/auvred)) https://blog.vuejs.org/posts/vue-3-3#generic-components <!-- prettier-ignore --> ```vue <!-- Input --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean"></script> <!-- Prettier 3.0.0 --> <script setup lang="ts" generic="T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean" ></script> <!-- Prettier 3.0.1 --> <script setup lang="ts" generic=" T extends Type1 & Type2 & (Type3 | Type4), U extends string | number | boolean " ></script> ``` ##### Fix comments print in `IfStatement` ([#15076](prettier/prettier#15076) by [@fisker](https://github.com/fisker)) <!-- prettier-ignore --> ```js function a(b) { if (b) return 1; // comment else return 2; } /* Prettier 3.0.0 */ Error: Comment "comment" was not printed. Please report this error! /* Prettier 3.0.1 */ function a(b) { if (b) return 1; // comment else return 2; } ``` ##### Add missing type definition for `printer.preprocess` ([#15123](prettier/prettier#15123) by [@so1ve](https://github.com/so1ve)) ```diff export interface Printer<T = any> { // ... + preprocess?: + | ((ast: T, options: ParserOptions<T>) => T | Promise<T>) + | undefined; } ``` ##### Add missing `getVisitorKeys` method type definition for `Printer` ([#15125](prettier/prettier#15125) by [@auvred](https://github.com/auvred)) ```tsx const printer: Printer = { print: () => [], getVisitorKeys(node, nonTraversableKeys) { return ["body"]; }, }; ``` ##### Add typing to support `readonly` array properties of AST Node ([#15127](prettier/prettier#15127) by [@auvred](https://github.com/auvred)) <!-- prettier-ignore --> ```tsx // Input interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // Prettier 3.0.0 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); // ^ Argument of type '"readonlyArray"' is not assignable to parameter of type '"regularArray"'. ts(2345) // Prettier 3.0.1 interface TestNode { readonlyArray: readonly string[]; } declare const path: AstPath<TestNode>; path.map(() => "", "readonlyArray"); ``` ##### Add space before unary minus followed by a function call ([#15129](prettier/prettier#15129) by [@PamelaLozano](https://github.com/pamelalozano)) <!-- prettier-ignore --> ```less // Input div { margin: - func(); } // Prettier 3.0.0 div { margin: -func(); } // Prettier 3.0.1 div { margin: - func(); } ``` ## [v3.0.0](https://github.com/prettier/prettier/blob/HEAD/CHANGELOG.md#300) [diff](prettier/prettier@3.0.0-alpha.6...3.0.0) 🔗 [Release Notes](https://prettier.io/blog/2023/07/05/3.0.0.html)
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Description
Fix #16340
Checklist
docs/directory).changelog_unreleased/*/XXXX.mdfile followingchangelog_unreleased/TEMPLATE.md.✨Try the playground for this PR✨