Merge branch 'master' into force-exit

.github/workflows/build-and-tests.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Checkout Commit
         uses: actions/checkout@v4
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 20
       - name: Cache Node Modules
@@ -169,7 +169,7 @@ jobs:
       - name: Checkout Commit
         uses: actions/checkout@v4
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         if: ${{ !matrix.settings.docker }}
         with:
           node-version: 20
@@ -270,7 +270,7 @@ jobs:
       - name: Checkout Commit
         uses: actions/checkout@v4
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
           check-latest: true
@@ -300,8 +300,8 @@ jobs:
         uses: codecov/codecov-action@v3
         if: matrix.coverage
         with:
-#          It appears adding the token may result in the coverage comment not being added
-#          token: ${{ secrets.CODECOV_TOKEN }}
+          # It appears adding the token may result in the coverage comment not being added
+          # token: ${{ secrets.CODECOV_TOKEN }}
           commit_parent: ${{ github.event.pull_request.head.sha }}
 
   publish:
@@ -324,7 +324,7 @@ jobs:
           # Necessary to find the commits included in the release
           fetch-depth: 0
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
           check-latest: true

.github/workflows/repl-artefacts.yml

@@ -40,7 +40,7 @@ jobs:
           key: cargo-cache-${{ hashFiles('rust/Cargo.lock') }}
           restore-keys: cargo-cache
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 18
       - name: Cache Node Modules

CHANGELOG.md

@@ -1,5 +1,50 @@
 # rollup changelog
 
+## 4.2.0
+
+_2023-10-31_
+
+### Features
+
+- Run parsing in multiple threads and introduce `parseAstAsync` helper function (#5202)
+
+### Pull Requests
+
+- [#5202](https://github.com/rollup/rollup/pull/5202): perf: introduce `parseAstAsync` and parallelize parsing AST (@sapphi-red)
+
+## 4.1.6
+
+_2023-10-31_
+
+### Bug Fixes
+
+- Fix a bug where emtpy block comments in certain positions could freeze Rollup (#5231)
+
+### Pull Requests
+
+- [#5228](https://github.com/rollup/rollup/pull/5228): build: ensure rust toolchain components for linting are installed (@jerome-benoit)
+- [#5231](https://github.com/rollup/rollup/pull/5231): Render emtpy block comments after tree-shaken statements (@lukastaegert)
+- [#5232](https://github.com/rollup/rollup/pull/5232): Revert specifying rustfmt and clippy in toolchain file as it breaks REPL build (@lukastaegert)
+
+## 4.1.5
+
+_2023-10-28_
+
+### Bug Fixes
+
+- Fix an issue where actual entries that were also implicit entries could remain implicit (#5220)
+
+### Pull Requests
+
+- [#5209](https://github.com/rollup/rollup/pull/5209): Document Vite workaround for browser build (@curran)
+- [#5215](https://github.com/rollup/rollup/pull/5215): chore(deps): update dependency lint-staged to v15 (@renovate[bot])
+- [#5216](https://github.com/rollup/rollup/pull/5216): chore(deps): lock file maintenance minor/patch updates (@renovate[bot])
+- [#5218](https://github.com/rollup/rollup/pull/5218): Update license plugin (@lukastaegert)
+- [#5219](https://github.com/rollup/rollup/pull/5219): Fix error highlight in REPL (@lukastaegert)
+- [#5220](https://github.com/rollup/rollup/pull/5220): Fix race condition when emitting implicitly dependent entries (@lukastaegert)
+- [#5224](https://github.com/rollup/rollup/pull/5224): chore(deps): update actions/setup-node action to v4 (@renovate[bot])
+- [#5225](https://github.com/rollup/rollup/pull/5225): chore(deps): lock file maintenance minor/patch updates (@renovate[bot])
+
 ## 4.1.4
 
 _2023-10-16_

browser/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@rollup/browser",
-  "version": "4.1.4",
+  "version": "4.2.0",
   "description": "Next-generation ES module bundler browser build",
   "main": "dist/rollup.browser.js",
   "module": "dist/es/rollup.browser.js",

browser/src/wasm.ts

@@ -1,2 +1,12 @@
 // eslint-disable-next-line import/no-unresolved
 export { parse, xxhashBase64Url } from '../../wasm/bindings_wasm.js';
+
+// eslint-disable-next-line import/no-unresolved
+import { parse } from '../../wasm/bindings_wasm.js';
+export async function parseAsync(
+	code: string,
+	allowReturnOutsideFunction: boolean,
+	_signal?: AbortSignal | undefined | null
+) {
+	return parse(code, allowReturnOutsideFunction);
+}

docs/javascript-api/index.md

@@ -369,3 +369,34 @@ assert.deepEqual(
 	}
 );
 ```
+
+There is also an asynchronous version that parses in a different thread in the non-wasm builds of Rollup:
+
+```js
+import { parseAstAsync } from 'rollup/parseAst';
+import assert from 'node:assert';
+
+assert.deepEqual(
+	await parseAstAsync('return 42;', { allowReturnOutsideFunction: true }),
+	{
+		type: 'Program',
+		start: 0,
+		end: 10,
+		body: [
+			{
+				type: 'ReturnStatement',
+				start: 0,
+				end: 10,
+				argument: {
+					type: 'Literal',
+					start: 7,
+					end: 9,
+					raw: '42',
+					value: 42
+				}
+			}
+		],
+		sourceType: 'module'
+	}
+);
+```

native.d.ts

@@ -4,4 +4,5 @@
 /* auto-generated by NAPI-RS */
 
 export function parse(code: string, allowReturnOutsideFunction: boolean): Buffer
+export function parseAsync(code: string, allowReturnOutsideFunction: boolean, signal?: AbortSignal | undefined | null): Promise<Buffer>
 export function xxhashBase64Url(input: Uint8Array): string

native.js

@@ -46,9 +46,10 @@ If this is important to you, please consider supporting Rollup to make a native
 
 const packageBase = imported.musl && isMusl() ? imported.musl : imported.base;
 const localName = `./rollup.${packageBase}.node`;
-const { parse, xxhashBase64Url } = require(
+const { parse, parseAsync, xxhashBase64Url } = require(
 	existsSync(join(__dirname, localName)) ? localName : `@rollup/rollup-${packageBase}`
 );
 
 module.exports.parse = parse;
+module.exports.parseAsync = parseAsync;
 module.exports.xxhashBase64Url = xxhashBase64Url;

native.wasm.js

@@ -1,4 +1,6 @@
 const { parse, xxhashBase64Url } = require('./wasm-node/bindings_wasm.js');
 
 exports.parse = parse;
+exports.parseAsync = async (code, allowReturnOutsideFunction, _signal) =>
+	parse(code, allowReturnOutsideFunction);
 exports.xxhashBase64Url = xxhashBase64Url;