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* chore(deps): Add `meriyah` * feat(utils): Implement AST-based JS extractors * chore(utils): Remove old ast walker code * fix(Player): Migrate js extraction logic * chore(JsExtractor): Fix typo in tsdoc * perf(JsAnalyzer): Simplify main AST analysis logic * fix(JsAnalyzer): Change `break` to `return` in AST matching logic * chore: Update docs * chore: Don't export `PlayerInitializationOptions` * chore(evaluate): Update error message to include doc link * perf: Use a `for-loop` to find iife
31 lines
726 B
Markdown
31 lines
726 B
Markdown
[youtubei.js](../../../README.md) / [JsHelpers](../README.md) / walkAst
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# Function: walkAst()
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> **walkAst**(`root`, `visitor`): `void`
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Performs a non-recursive traversal of an ESTree AST.
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## Parameters
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• **root**: `Node`
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Root AST node to start the traversal from.
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• **visitor**: [`AstVisitor`](../type-aliases/AstVisitor.md)
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Callbacks invoked when nodes are entered or left.
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## Returns
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`void`
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## Remarks
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- If it returns `WALK_STOP`, the entire traversal is halted.
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- Why did I not use some AST walker library instead?: They're too slow.
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## Defined in
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[src/utils/javascript/helpers.ts:62](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/javascript/helpers.ts#L62)
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