activity-stream.jsx

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

import { actionCreators as ac, actionTypes as at } from "common/Actions.mjs";

import { Base } from "content-src/components/Base/Base";

import { DetectUserSessionStart } from "content-src/lib/detect-user-session-start";

import { initStore } from "content-src/lib/init-store";

import { Provider } from "react-redux";

import React from "react";

import ReactDOM from "react-dom";

import { reducers } from "common/Reducers.sys.mjs";

export const NewTab = ({ store }) => (

  <Provider store={store}>

    <Base />

  </Provider>

);

export function renderWithoutState() {

  const store = initStore(reducers);

  new DetectUserSessionStart(store).sendEventOrAddListener();

  // If this document has already gone into the background by the time we've reached

  // here, we can deprioritize requesting the initial state until the event loop

  // frees up. If, however, the visibility changes, we then send the request.

  let didRequest = false;

  let requestIdleCallbackId = 0;

  function doRequest() {

    if (!didRequest) {

      if (requestIdleCallbackId) {

        cancelIdleCallback(requestIdleCallbackId);

      didRequest = true;

      store.dispatch(ac.AlsoToMain({ type: at.NEW_TAB_STATE_REQUEST }));

  if (document.hidden) {

    requestIdleCallbackId = requestIdleCallback(doRequest);

    addEventListener("visibilitychange", doRequest, { once: true });

  } else {

    doRequest();

  ReactDOM.hydrate(<NewTab store={store} />, document.getElementById("root"));

export function renderCache(initialState) {

  const store = initStore(reducers, initialState);

  new DetectUserSessionStart(store).sendEventOrAddListener();

  ReactDOM.hydrate(<NewTab store={store} />, document.getElementById("root"));