const loadListener = function()

in gr-editor/gr-editor.js [60:71]


  const loadListener = function(event) {
    cleanup();
    // In case of a successful load, cache the load event on the link so
    // that it can be used to short-circuit this method in the future when
    // it is called with the same href param.
    link.__dynamicImportLoaded = true;
    if (onload) {
      whenImportsReady(() => {
        onload(event);
      });
    }
  };