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fix: Support
using declarations in no-lone-blocks (#18269)
fix: [no-lone-blocks] Support using declarations This commit adds support for explicit resource management keywords inside a block for the `no-lone-blocks` rule. Fixes #18204
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tests/fixtures/parsers/typescript-parsers/no-lone-blocks/await-using.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,330 @@ | ||
| "use strict"; | ||
|
|
||
| // source code: | ||
| ` | ||
| { | ||
| await using x = makeDisposable(); | ||
| }` | ||
| // obtained from https://typescript-eslint.io/play/#ts=5.4.3&showAST=es&fileType=.tsx&code=FAb2AJwQwdyhLALuArgZ3gOwObgB7gC84AtlANYCmAIvGgA4D2aUARgDaUAUAlANzAAvkA&eslintrc=N4KABGBEBOCuA2BTAzpAXGYBfEWg&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false | ||
|
|
||
| exports.parse = () => ({ | ||
| "type": "Program", | ||
| "body": [ | ||
| { | ||
| "type": "BlockStatement", | ||
| "body": [ | ||
| { | ||
| "type": "VariableDeclaration", | ||
| "declarations": [ | ||
| { | ||
| "type": "VariableDeclarator", | ||
| "definite": false, | ||
| "id": { | ||
| "type": "Identifier", | ||
| "decorators": [], | ||
| "name": "x", | ||
| "optional": false, | ||
| "range": [ | ||
| 17, | ||
| 18 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 14 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 15 | ||
| } | ||
| } | ||
| }, | ||
| "init": { | ||
| "type": "CallExpression", | ||
| "callee": { | ||
| "type": "Identifier", | ||
| "decorators": [], | ||
| "name": "makeDisposable", | ||
| "optional": false, | ||
| "range": [ | ||
| 21, | ||
| 35 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 18 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 32 | ||
| } | ||
| } | ||
| }, | ||
| "arguments": [], | ||
| "optional": false, | ||
| "range": [ | ||
| 21, | ||
| 37 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 18 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 34 | ||
| } | ||
| } | ||
| }, | ||
| "range": [ | ||
| 17, | ||
| 37 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 14 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 34 | ||
| } | ||
| } | ||
| } | ||
| ], | ||
| "declare": false, | ||
| "kind": "await using", | ||
| "range": [ | ||
| 5, | ||
| 38 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 2 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 35 | ||
| } | ||
| } | ||
| } | ||
| ], | ||
| "range": [ | ||
| 1, | ||
| 40 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 2, | ||
| "column": 0 | ||
| }, | ||
| "end": { | ||
| "line": 4, | ||
| "column": 1 | ||
| } | ||
| } | ||
| } | ||
| ], | ||
| "comments": [], | ||
| "range": [ | ||
| 1, | ||
| 40 | ||
| ], | ||
| "sourceType": "script", | ||
| "tokens": [ | ||
| { | ||
| "type": "Punctuator", | ||
| "value": "{", | ||
| "range": [ | ||
| 1, | ||
| 2 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 2, | ||
| "column": 0 | ||
| }, | ||
| "end": { | ||
| "line": 2, | ||
| "column": 1 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Identifier", | ||
| "value": "await", | ||
| "range": [ | ||
| 5, | ||
| 10 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 2 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 7 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Identifier", | ||
| "value": "using", | ||
| "range": [ | ||
| 11, | ||
| 16 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 8 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 13 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Identifier", | ||
| "value": "x", | ||
| "range": [ | ||
| 17, | ||
| 18 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 14 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 15 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Punctuator", | ||
| "value": "=", | ||
| "range": [ | ||
| 19, | ||
| 20 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 16 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 17 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Identifier", | ||
| "value": "makeDisposable", | ||
| "range": [ | ||
| 21, | ||
| 35 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 18 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 32 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Punctuator", | ||
| "value": "(", | ||
| "range": [ | ||
| 35, | ||
| 36 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 32 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 33 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Punctuator", | ||
| "value": ")", | ||
| "range": [ | ||
| 36, | ||
| 37 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 33 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 34 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Punctuator", | ||
| "value": ";", | ||
| "range": [ | ||
| 37, | ||
| 38 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 3, | ||
| "column": 34 | ||
| }, | ||
| "end": { | ||
| "line": 3, | ||
| "column": 35 | ||
| } | ||
| } | ||
| }, | ||
| { | ||
| "type": "Punctuator", | ||
| "value": "}", | ||
| "range": [ | ||
| 39, | ||
| 40 | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 4, | ||
| "column": 0 | ||
| }, | ||
| "end": { | ||
| "line": 4, | ||
| "column": 1 | ||
| } | ||
| } | ||
| } | ||
| ], | ||
| "loc": { | ||
| "start": { | ||
| "line": 2, | ||
| "column": 0 | ||
| }, | ||
| "end": { | ||
| "line": 4, | ||
| "column": 1 | ||
| } | ||
| }, | ||
| "parent": null | ||
| }) |
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