Function collectParams

src/context/data-flow.ts:66–77

Collect identifier strings declared as parameters within `node`.

(node: any, source: string, into: Set<string>)

/** Collect identifier strings declared as parameters within `node`. */
function collectParams(node: any, source: string, into: Set<string>): void {
  const params = node.childForFieldName?.('parameters');
  if (!params) return;
  const walk = (n: any) => {
    if (!n) return;
    if (n.type === 'identifier' || n.type === 'shorthand_property_identifier_pattern') {
      into.add(source.slice(n.startIndex, n.endIndex));
    }
    for (let i = 0; i < (n.childCount ?? 0); i++) walk(n.child(i));
  };
  walk(params);
}

/**
 * Analyze every top-level-ish function in a file and return its free variables.