use webwackify for webworkers to support webpack bundle

package.json

@@ -96,7 +96,7 @@
     "mux.js": "4.3.2",
     "url-toolkit": "^2.1.3",
     "video.js": "^6.2.0",
-    "webworkify": "^1.5.0"
+    "webwackify": "0.1.3"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",

src/master-playlist-controller.js

@@ -10,7 +10,7 @@ import * as Ranges from './ranges';
 import videojs from 'video.js';
 import AdCueTags from './ad-cue-tags';
 import SyncController from './sync-controller';
-import worker from 'webworkify';
+import worker from 'webwackify';
 import Decrypter from './decrypter-worker';
 import Config from './config';
 import {
@@ -40,6 +40,16 @@ const sumLoaderStat = function(stat) {
          this.mainSegmentLoader_[stat];
 };
 
+const workerResolve = () => {
+  let result;
+
+  try {
+    result = require.resolve('./decrypter-worker');
+  } catch (e) {}
+
+  return result;
+};
+
 /**
  * the master playlist controller controller all interactons
  * between playlists and segmentloaders. At this time this mainly
@@ -105,7 +115,7 @@ export class MasterPlaylistController extends videojs.EventTarget {
       label: 'segment-metadata'
     }, false).track;
 
-    this.decrypter_ = worker(Decrypter);
+    this.decrypter_ = worker(Decrypter, workerResolve());
 
     const segmentLoaderSettings = {
       hls: this.hls_,

src/mse/virtual-source-buffer.js

@@ -5,10 +5,20 @@ import videojs from 'video.js';
 import createTextTracksIfNecessary from './create-text-tracks-if-necessary';
 import removeCuesFromTrack from './remove-cues-from-track';
 import {addTextTrackData} from './add-text-track-data';
-import work from 'webworkify';
+import work from 'webwackify';
 import transmuxWorker from './transmuxer-worker';
 import {isAudioCodec, isVideoCodec} from './codec-utils';
 
+const workerResolve = () => {
+  let result;
+
+  try {
+    result = require.resolve('./transmuxer-worker');
+  } catch (e) {}
+
+  return result;
+};
+
 // We create a wrapper around the SourceBuffer so that we can manage the
 // state of the `updating` property manually. We have to do this because
 // Firefox changes `updating` to false long before triggering `updateend`
@@ -197,7 +207,7 @@ export default class VirtualSourceBuffer extends videojs.EventTarget {
 
     // append muxed segments to their respective native buffers as
     // soon as they are available
-    this.transmuxer_ = work(transmuxWorker);
+    this.transmuxer_ = work(transmuxWorker, workerResolve());
     this.transmuxer_.postMessage({action: 'init', options });
 
     this.transmuxer_.onmessage = (event) => {