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📄 isSymbolFromDefaultLibrary.ts

📊 Analysis Summary

Metric	Count
🔧 Functions	1
📊 Variables & Constants	1

📚 Table of Contents

• Variables & Constants
• Functions

🛠️ File Location:

📂 packages/type-utils/src/isSymbolFromDefaultLibrary.ts

Variables & Constants

Name	Type	Kind	Value	Exported
declarations	any	const	symbol.getDeclarations() ?? []	✗

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Functions

isSymbolFromDefaultLibrary(program: ts.Program, symbol: ts.Symbol | undefined): boolean

Code

export function isSymbolFromDefaultLibrary(
  program: ts.Program,
  symbol: ts.Symbol | undefined,
): boolean {
  if (!symbol) {
    return false;
  }

  const declarations = symbol.getDeclarations() ?? [];
  for (const declaration of declarations) {
    const sourceFile = declaration.getSourceFile();
    if (program.isSourceFileDefaultLibrary(sourceFile)) {
      return true;
    }
  }

  return false;
}

• Parameters:
• program: ts.Program
• symbol: ts.Symbol | undefined
• Return Type: boolean
• Calls:
• symbol.getDeclarations
• declaration.getSourceFile
• program.isSourceFileDefaultLibrary

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