parcel-bundler/lib/worker.js

Blazing fast, zero configuration web application bundler

'use strict';

function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }

require('v8-compile-cache');
const Pipeline = require('./Pipeline');

let pipeline;

exports.init = function (options, callback) {
  pipeline = new Pipeline(options || {});
  Object.assign(process.env, options.env || {});
  process.env.HMR_PORT = options.hmrPort;
  process.env.HMR_HOSTNAME = options.hmrHostname;
  callback();
};

exports.run = (() => {
  var _ref = _asyncToGenerator(function* (path, pkg, options, isWarmUp, callback) {
    try {
      options.isWarmUp = isWarmUp;
      var result = yield pipeline.process(path, pkg, options);

      callback(null, result);
    } catch (err) {
      let returned = err;
      returned.fileName = path;
      callback(returned);
    }
  });

  return function (_x, _x2, _x3, _x4, _x5) {
    return _ref.apply(this, arguments);
  };
})();

process.on('unhandledRejection', function (err) {
  // ERR_IPC_CHANNEL_CLOSED happens when the worker is killed before it finishes processing
  if (err.code !== 'ERR_IPC_CHANNEL_CLOSED') {
    console.error('Unhandled promise rejection:', err.stack);
  }
});