Function parseXML

widgets/commander-articles.js:279–354

(string)

// See https://github.com/Normal-Tangerine8609/Scriptable-Widgets/blob/main/scripts/rss-parser.js
function parseXML(string) {
  let main = {
    isRoot: true,
    name: "root",
    children: [],
  };

  let target = main;
  let goBack = {};
  let parser = new XMLParser(string);

  parser.didStartElement = (name, attrs) => {
    let backTo = Symbol();
    goBack[backTo] = target;
    let newTarget = {
      name,
      attrs,
      innerText: "",
      children: [],
      end: backTo,
    };
    target.children.push(newTarget);
    target = newTarget;
  };

  parser.didEndElement = (name) => {
    let sym = target.end;
    delete target.end;
    target = goBack[sym];
  };

  parser.foundCharacters = (text) => {
    target.innerText +=
      target.innerText === "" ? text.trim() : " " + text.trim();
  };

  parser.parseErrorOccurred = () => {
    console.warn(
      "A parse error occurred, ensure the document is formatted properly.",
    );
  };

  parser.parse();

  if (!main.isRoot) {
    console.warn(
      "A parse error occurred, ensure the document is formatted properly.",
    );
  }

  delete main.isRoot;
  return traverse(main);

  function traverse(node) {
    let newNode = {};

    for (let child of node.children) {
      let newChild = traverse(child);