use webwackify for webworkers to support webpack bundle

package.json

@@ -79,7 +79,7 @@
     "global": "^4.3.0",
     "mux.js": "4.3.2",
     "video.js": "^5.17.0 || ^6.2.0",
-    "webworkify": "1.0.2"
+    "webwackify": "0.1.3"
   },
   "devDependencies": {
     "babel": "^5.8.0",

src/flash-source-buffer.js

@@ -8,9 +8,21 @@ import removeCuesFromTrack from './remove-cues-from-track';
 import createTextTracksIfNecessary from './create-text-tracks-if-necessary';
 import {addTextTrackData} from './add-text-track-data';
 import transmuxWorker from './flash-transmuxer-worker';
-import work from 'webworkify';
+import work from 'webwackify';
 import FlashConstants from './flash-constants';
 
+const resolveFlashTransmuxWorker = () => {
+  let result;
+
+  try {
+    result = require.resolve('./flash-transmuxer-worker');
+  } catch (e) {
+    // no result
+  }
+
+  return result;
+};
+
 /**
  * A wrapper around the setTimeout function that uses
  * the flash constant time between ticks value.
@@ -125,7 +137,7 @@ export default class FlashSourceBuffer extends videojs.EventTarget {
 
     this.mediaSource_.swfObj.vjs_appendChunkReady(this.flashEncodedHeaderName_);
 
-    this.transmuxer_ = work(transmuxWorker);
+    this.transmuxer_ = work(transmuxWorker, resolveFlashTransmuxWorker());
     this.transmuxer_.postMessage({ action: 'init', options: {} });
     this.transmuxer_.onmessage = (event) => {
       if (event.data.action === 'data') {

src/virtual-source-buffer.js

@@ -5,10 +5,22 @@ 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 resolveTransmuxWorker = () => {
+  let result;
+
+  try {
+    result = require.resolve('./transmuxer-worker');
+  } catch (e) {
+    // no result
+  }
+
+  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 +209,7 @@ 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, resolveTransmuxWorker());
     this.transmuxer_.postMessage({action: 'init', options });
 
     this.transmuxer_.onmessage = (event) => {