Method astFunctionExpression

src/backend/function-node.js:1015–1020

(ast, retArr)

    return this.astFunction(ast, retArr);
  }
  astFunctionExpression(ast, retArr) {
    if (this.isChildFunction(ast)) {
      return retArr;
    }
    return this.astFunction(ast, retArr);
  }
  isChildFunction(ast) {
    for (let i = 0; i < this.functions.length; i++) {
      if (this.functions[i] === ast) {