electron/lib/renderer/api/ipc-renderer.js

'use strict';

const { ipc } = process.electronBinding('ipc');
const v8Util = process.electronBinding('v8_util');

// Created by init.js.
const ipcRenderer = v8Util.getHiddenValue(global, 'ipc');
const internal = false;

ipcRenderer.send = function (channel, ...args) {
  return ipc.send(internal, channel, args);
};

ipcRenderer.sendSync = function (channel, ...args) {
  return ipc.sendSync(internal, channel, args)[0];
};

ipcRenderer.sendToHost = function (channel, ...args) {
  return ipc.sendToHost(channel, args);
};

ipcRenderer.sendTo = function (webContentsId, channel, ...args) {
  return ipc.sendTo(internal, false, webContentsId, channel, args);
};

ipcRenderer.sendToAll = function (webContentsId, channel, ...args) {
  return ipc.sendTo(internal, true, webContentsId, channel, args);
};

ipcRenderer.invoke = function (channel, ...args) {
  return ipc.invoke(channel, args).then(({ error, result }) => {
    if (error) { throw new Error(`Error invoking remote method '${channel}': ${error}`); }
    return result;
  });
};

module.exports = ipcRenderer;