Hippy/framework/js/packages/hippy-debug-server/webpack-dev-server/client-src/hot/dev-server.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
/* eslint-disable-next-line */
/* globals window __webpack_hash__ */
if (module.hot) {
  let lastHash;
  const upToDate = function upToDate() {
    return lastHash.indexOf(__webpack_hash__) >= 0;
  };
  const log = require('./log');
  const applyReload = require('../utils/apply-reload').default;
  const check = function check() {
    module.hot
      .check(true)
      .then((updatedModules) => {
        if (!updatedModules) {
          log('warning', '[HMR] Cannot find update. Need to do a full reload!');
          log('warning', '[HMR] (Probably because of restarting the webpack-dev-server)');
          applyReload();
          return;
        }

        if (!upToDate()) {
          check();
        }

        require('./log-apply-result')(updatedModules, updatedModules);

        if (upToDate()) {
          log('info', '[HMR] App is up to date.');
        }
      })
      .catch((err) => {
        const status = module.hot.status();
        if (['abort', 'fail'].indexOf(status) >= 0) {
          log('warning', '[HMR] Cannot apply update. Need to do a full reload!');
          log('warning', `[HMR] ${log.formatError(err)}`);
          applyReload();
        } else {
          log('warning', `[HMR] Update failed: ${log.formatError(err)}`);
        }
      });
  };
  const hotEmitter = require('./emitter');
  hotEmitter.on('webpackHotUpdate', (currentHash) => {
    lastHash = currentHash;
    if (!upToDate() && module.hot.status() === 'idle') {
      log('info', '[HMR] Checking for updates on the server...');
      check();
    } else {
      applyReload();
    }
  });
  log('info', '[HMR] Waiting for update signal from WDS...');
} else {
  throw new Error('[HMR] Hot Module Replacement is disabled.');
}