Function extractLocalFunctions

src/tools/codegraph/find-dead-code.ts:161–176

Extract local (non-exported) function declarations.

(content: string)

/** Extract local (non-exported) function declarations. */
function extractLocalFunctions(content: string): { name: string; line: number }[] {
  const out: { name: string; line: number }[] = [];
  const lines = content.split('\n');
  const reLocal = /^\s*(?:async\s+)?function\s+([A-Za-z_$][\w$]*)/;
  const reArrow = /^\s*(?:const|let|var)\s+([A-Za-z_$][\w$]*)\s*=\s*(?:async\s*)?\(/;
  for (let i = 0; i < lines.length; i++) {
    const line = lines[i]!;
    // Skip exports — those are covered by extractExports
    if (/^\s*export\s/.test(line)) continue;
    const m1 = reLocal.exec(line);
    if (m1) out.push({ name: m1[1]!, line: i + 1 });
    const m2 = reArrow.exec(line);
    if (m2) out.push({ name: m2[1]!, line: i + 1 });
  }
  return out;
}

export class FindDeadCodeTool extends Tool<z.infer<typeof FindDeadCodeArgs>> {
  name = 'find_dead_code';