Method parse

www/js/ext/worker.js:120–195

(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;