Function countNode

javascript/src/customfunction.js:220–232

(node)

    const countNodes = (nodes) =>
        nodes.map(countNode).reduce((a, b) => a + b, 0);
    const countNode = (node) => {
      if (node.functionDefinitionValue) {
        return 1;
      } else if (node.arrayValue) {
        return countNodes(node.arrayValue.values);
      } else if (node.dictionaryValue) {
        return countNodes(Object.values(node.dictionaryValue.values));
      } else if (node.functionInvocationValue) {
        const fn = node.functionInvocationValue;
        return countNodes(Object.values(fn.arguments));
      }
      return 0;
    };
    return countNodes(Object.values(expression.values));
  };