webpack.babel.js

/* eslint-disable no-console, import/no-extraneous-dependencies */
import fs from 'fs'

import chalk from 'chalk'
import config from 'config'
import webpack from 'webpack'

import webpackConfig from './webpack.prod.config.babel'

const appName = config.get('appName')

if (!appName) {
  console.log(chalk.red('Please specify the appName with NODE_APP_INSTANCE'))
  process.exit(1)
}

if (process.env.NODE_ENV !== 'production') {
  console.log(chalk.red('This should be run with NODE_ENV="production"'))
  process.exit(1)
}

const babelrc = fs.readFileSync('./.babelrc')
const babelrcObject = JSON.parse(babelrc)
const babelPlugins = babelrcObject.plugins || []

// Create UTC creation date in the correct format.
const potCreationDate = new Date()
  .toISOString()
  .replace('T', ' ')
  .replace(/:\d{2}.\d{3}Z/, '+0000')

const babelL10nPlugins = [
  [
    'babel-gettext-extractor', {
      headers: {
        'Project-Id-Version': appName,
        'Report-Msgid-Bugs-To': 'EMAIL@ADDRESS',
        'POT-Creation-Date': potCreationDate,
        'PO-Revision-Date': 'YEAR-MO-DA HO:MI+ZONE',
        'Last-Translator': 'FULL NAME <EMAIL@ADDRESS>',
        'Language-Team': 'LANGUAGE <LL@li.org>',
        'MIME-Version': '1.0',
        'Content-Type': 'text/plain; charset=utf-8',
        'Content-Transfer-Encoding': '8bit',
        'plural-forms': 'nplurals=2; plural=(n!=1);'
      },
      functionNames: {
        gettext: ['msgid'],
        dgettext: [
          'domain', 'msgid'
        ],
        ngettext: [
          'msgid', 'msgid_plural', 'count'
        ],
        dngettext: [
          'domain', 'msgid', 'msgid_plural', 'count'
        ],
        pgettext: [
          'msgctxt', 'msgid'
        ],
        dpgettext: [
          'domain', 'msgctxt', 'msgid'
        ],
        npgettext: [
          'msgctxt', 'msgid', 'msgid_plural', 'count'
        ],
        dnpgettext: ['domain', 'msgctxt', 'msgid', 'msgid_plural', 'count']
      },
      fileName: `locale/templates/LC_MESSAGES/${appName}.pot`,
      baseDirectory: process.cwd(),
      stripTemplateLiteralIndent: true
    }
  ]
]

const BABEL_QUERY = Object.assign({}, babelrcObject, {
  plugins: babelPlugins.concat(babelL10nPlugins)
})

const newLoaders = webpackConfig
  .module
  .loaders
  .slice(0)
// Assumes the js loader is the first one.
newLoaders[0].query = BABEL_QUERY

export default Object.assign({}, webpackConfig, {
  entry: {
    [appName]: `src/${appName}/client`
  },
  module: {
    loaders: newLoaders
  },
  plugins: [new webpack.IgnorePlugin(new RegExp(`locale\\/.*\\/${appName}\\.js$`))].concat(webpackConfig.plugins)
})