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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
28 lines
669 B
Markdown
28 lines
669 B
Markdown
[youtubei.js](../../../README.md) / [JsHelpers](../README.md) / extractNodeSource
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# Function: extractNodeSource()
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> **extractNodeSource**(`node`, `source`): `string` \| `null`
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Extracts the source code corresponding to a given AST node.
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## Parameters
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• **node**: `undefined` \| `null` \| `Node`
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The AST node to extract source from.
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• **source**: `string`
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The original source code.
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## Returns
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`string` \| `null`
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The source code corresponding to the node, or null if not available.
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## Defined in
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[src/utils/javascript/helpers.ts:143](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/javascript/helpers.ts#L143)
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