creevey/lib/server/loaders/webpack/start.js

Cross-browser screenshot testing tool for Storybook with fancy UI Runner

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.startWebpackCompiler = startWebpackCompiler;

var _cluster = _interopRequireDefault(require("cluster"));

var _types = require("../../../types");

var _messages = require("../../messages");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function startWebpackCompiler() {
  return new Promise((resolve, reject) => {
    _cluster.default.setupMaster({
      args: ['--webpack', ...process.argv.slice(2)]
    });

    const webpackCompiler = _cluster.default.fork();

    webpackCompiler.on('message', message => {
      if (!(0, _types.isWebpackMessage)(message)) return;
      Object.values(_cluster.default.workers).filter(worker => worker != webpackCompiler).forEach(worker => worker === null || worker === void 0 ? void 0 : worker.send(message));

      switch (message.type) {
        case 'success':
          return resolve();

        case 'fail':
          return reject();

        case 'rebuild succeeded':
        case 'rebuild failed':
          return (0, _messages.emitWebpackMessage)(message);
      }
    });
  });
}