Method parse

www/js/ext/worker.esm.js:118–193

(parser)

    this.stubs = stubs;
  }
  static parse(parser) {
    if (parser.matchToken("worker")) {
      var name = parser.requireElement("dotOrColonPath");
      var qualifiedName = name.evalStatically();
      var nameSpace = qualifiedName.split(".");
      var workerName = nameSpace.pop();
      var extraScripts = [];
      if (parser.matchOpToken("(")) {
        if (parser.matchOpToken(")")) {
        } else {
          do {
            var extraScript = parser.requireTokenType("STRING").value;
            var absoluteUrl = new URL(extraScript, location.href).href;
            extraScripts.push(absoluteUrl);
          } while (parser.matchOpToken(","));
          parser.requireOpToken(")");
        }
      }
      var funcNames = [];
      var bodyStartIndex = parser.consumed.length;
      var bodyEndIndex = parser.consumed.length;
      do {
        var feature = parser.parseAnyOf(["defFeature", "jsFeature"]);
        if (feature) {
          if (feature.type === "defFeature") {
            funcNames.push(feature.name);
            bodyEndIndex = parser.consumed.length;
          } else {
            if (parser.hasMore()) continue;
          }
        } else break;
      } while (parser.matchToken("end") && parser.hasMore());
      var bodyTokens = parser.consumed.slice(bodyStartIndex, bodyEndIndex + 1);
      var bodySrc = parser.source.substring(bodyTokens[0].start, bodyTokens[bodyTokens.length - 1].end);
      var worker = new Worker(workerUri);
      worker.postMessage({
        type: "init",
        _hyperscript: document.currentScript?.src || "/dist/_hyperscript.js",
        extraScripts,
        src: bodySrc
      });
      var workerPromise = new Promise(function(resolve, reject) {
        worker.addEventListener(
          "message",
          function(e) {
            if (e.data.type === "didInit") resolve();
          },
          { once: true }
        );
      });
      var stubs = {};
      funcNames.forEach(function(funcName) {
        stubs[funcName] = function() {
          var args = arguments;
          return new Promise(function(resolve, reject) {
            var id = invocationIdCounter++;
            worker.addEventListener("message", function returnListener(e) {
              if (e.data.id !== id) return;