Function eventHandler

webapp/_webapp/src/intermediate.ts:87–112

(evt: Event)

  // Only register the event handler in ISOLATED world (where chrome.runtime is available)
  if (isIsolatedWorld) {
    const eventHandler = (evt: Event) => {
      const browserAPI = getBrowserAPI();
      const customEvt = evt as CustomEvent;
      const { seq, req } = customEvt.detail;
      if (!seq) return;
      if (!browserAPI?.runtime?.sendMessage) return;
      browserAPI.runtime
        .sendMessage({
          action: handlerName,
          args: req,
        })
        .then((res: { error?: string }) => {
          if (res.error) {
            window.dispatchEvent(
              new CustomEvent(`${errEvtName}/${seq}`, {
                detail: { seq, err: res.error },
              }),
            );
          } else {
            window.dispatchEvent(new CustomEvent(`${resEvtName}/${seq}`, { detail: { seq, res } }));
          }
        })
        .catch((err: { error?: string }) => {
          window.dispatchEvent(new CustomEvent(`${errEvtName}/${seq}`, { detail: { seq, err } }));
        });
    };
    window.addEventListener(reqEvtName, eventHandler);
  }