app/config/app-info.js

const fse = require('fs-extra');
const path = require('path');

const { getUpdatesURL, getReleaseChannel } = require('./distribution-info');

const projectRoot = path.dirname(__dirname, '..');

const channel = getReleaseChannel();

function getReplacements() {
  return {
    __DARWIN__: process.platform === 'darwin',
    __WIN32__: process.platform === 'win32',
    __LINUX__: process.platform === 'linux',
    __DEV__: channel === 'development',
    __RELEASE_CHANNEL__: JSON.stringify(channel),
    __UPDATES_URL__: JSON.stringify(getUpdatesURL()),
    'process.platform': JSON.stringify(process.platform),
    'process.env.NODE_ENV': JSON.stringify(
      process.env.NODE_ENV || 'development'
    ),
    'process.env.TEST_ENV': JSON.stringify(process.env.TEST_ENV)
  };
}

exports.getReplacements = getReplacements;