Function countNodes

javascript/src/customfunction.js:218–219

(nodes)

  // within the body.
  const countFunctions = (expression) => {
    const countNodes = (nodes) =>
        nodes.map(countNode).reduce((a, b) => a + b, 0);
    const countNode = (node) => {
      if (node.functionDefinitionValue) {
        return 1;