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deps: update acorn to 8.18.0 · nodejs/node@d97ba2c · GitHub

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deps: update acorn to 8.18.0
PR-URL: #64941 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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‎deps/acorn/acorn/CHANGELOG.md‎

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## 8.18.0 (2026-07-28)
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### New features
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The new `startLocation` option can now be used to tell the parser the line and column the parse starts at (mostly useful with `parseExpressionAt`).
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### Bug fixes
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Reject uses of `**` with a non-parenthesized arrow function as left-hand side.
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Avoid computing the start line in `parseExpressionAt` when locations aren't used.
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## 8.17.0 (2026-06-11)
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### New features

‎deps/acorn/acorn/README.md‎

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one-based line and zero-based column numbers in `{line, column}`
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form. Default is `false`.
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- **startLocation**: An optional `{line, column}` object to use for
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the start of the parse. This is mostly useful when using
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`parseExpressionAt` with `locations: true`, to prevent the parser
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from having to determine the line position at the start position.
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- **onToken**: If a function is passed for this option, each found
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token will be passed in same format as tokens returned from
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`tokenizer().getToken()`.

‎deps/acorn/acorn/dist/acorn.d.mts‎

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@@ -693,6 +693,14 @@ export interface Options {
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*/
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locations?: boolean
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/**
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* Pass an optional `{line, column}` object to use for the start of
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* the parse. This is mostly useful when using `parseExpressionAt`
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* with `locations: true`, to prevent the parser from having to
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* determine the line position at the start position.
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*/
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startLocation?: {line: number, column: number}
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/**
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* a callback that will cause Acorn to call that export function with object in the same
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* format as tokens returned from `tokenizer().getToken()`. Note

‎deps/acorn/acorn/dist/acorn.d.ts‎

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*/
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locations?: boolean
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/**
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* Pass an optional `{line, column}` object to use for the start of
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* the parse. This is mostly useful when using `parseExpressionAt`
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* with `locations: true`, to prevent the parser from having to
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* determine the line position at the start position.
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*/
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startLocation?: {line: number, column: number}
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/**
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* a callback that will cause Acorn to call that export function with object in the same
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* format as tokens returned from `tokenizer().getToken()`. Note

‎deps/acorn/acorn/dist/acorn.js‎

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// line being 1-based and column 0-based) will be attached to the
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// nodes.
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locations: false,
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// Pass an optional `{line, column}` object to use for the start of
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// the parse. This is mostly useful when using `parseExpressionAt`
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// with `locations: true`, to prevent the parser from having to
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// determine the line position at the start position.
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startLocation: null,
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// A function can be passed as `onToken` option, which will
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// cause Acorn to call that function with object in the same
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// format as tokens returned from `tokenizer().getToken()`. Note
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// Set up token state
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// The current position of the tokenizer in the input.
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if (startPos) {
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this.pos = startPos;
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this.pos = startPos || 0;
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this.curLine = 1;
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if (options.startLocation) {
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this.lineStart = this.pos - options.startLocation.column;
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this.curLine = options.startLocation.line;
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} else if (startPos) {
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this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1;
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this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;
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if (this.options.locations)
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{ this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; }
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} else {
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this.pos = this.lineStart = 0;
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this.curLine = 1;
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this.lineStart = 0;
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}
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// Properties of the current token:
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}
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}
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if (!incDec && this.eat(types$1.starstar)) {
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if (!incDec && !(expr.type === "ArrowFunctionExpression" && expr.start === startPos) && this.eat(types$1.starstar)) {
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if (sawUnary)
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{ this.unexpected(this.lastTokStart); }
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else
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// [ghbt]: https://github.com/acornjs/acorn/issues
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var version = "8.17.0";
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var version = "8.18.0";
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Parser.acorn = {
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Parser: Parser,

‎deps/acorn/acorn/dist/acorn.mjs‎

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// line being 1-based and column 0-based) will be attached to the
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// nodes.
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locations: false,
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// Pass an optional `{line, column}` object to use for the start of
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// the parse. This is mostly useful when using `parseExpressionAt`
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// with `locations: true`, to prevent the parser from having to
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// determine the line position at the start position.
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startLocation: null,
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// A function can be passed as `onToken` option, which will
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// cause Acorn to call that function with object in the same
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// format as tokens returned from `tokenizer().getToken()`. Note
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// Set up token state
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// The current position of the tokenizer in the input.
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if (startPos) {
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this.pos = startPos;
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this.pos = startPos || 0;
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this.curLine = 1;
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if (options.startLocation) {
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this.lineStart = this.pos - options.startLocation.column;
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this.curLine = options.startLocation.line;
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} else if (startPos) {
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this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1;
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this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length;
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if (this.options.locations)
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{ this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; }
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} else {
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this.pos = this.lineStart = 0;
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this.curLine = 1;
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this.lineStart = 0;
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}
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// Properties of the current token:
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}
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}
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if (!incDec && this.eat(types$1.starstar)) {
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if (!incDec && !(expr.type === "ArrowFunctionExpression" && expr.start === startPos) && this.eat(types$1.starstar)) {
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if (sawUnary)
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{ this.unexpected(this.lastTokStart); }
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else
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// [ghbt]: https://github.com/acornjs/acorn/issues
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var version = "8.17.0";
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var version = "8.18.0";
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Parser.acorn = {
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Parser: Parser,

‎deps/acorn/acorn/package.json‎

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],
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"./package.json": "./package.json"
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},
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"version": "8.17.0",
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"version": "8.18.0",
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"engines": {
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"node": ">=0.4.0"
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},

‎src/acorn_version.h‎

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// Refer to tools/dep_updaters/update-acorn.sh
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#ifndef SRC_ACORN_VERSION_H_
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#define SRC_ACORN_VERSION_H_
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#define ACORN_VERSION "8.17.0"
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#define ACORN_VERSION "8.18.0"
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#endif // SRC_ACORN_VERSION_H_

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