add getSelfScope to get global window/worker scope

src/crypt/decrypter.js

@@ -7,9 +7,11 @@ import { logger } from '../utils/logger';
 
 import Event from '../events';
 
+import { getSelfScope } from '../utils/get-self-scope';
+
 // see https://stackoverflow.com/a/11237259/589493
 /* eslint-disable-next-line no-undef */
-const window = self; // safeguard for code that might run both on worker and main thread
+const window = getSelfScope();  // safeguard for code that might run both on worker and main thread
 
 const { performance, crypto } = window;
 

src/demux/adts.js

@@ -6,6 +6,8 @@ import { ErrorTypes, ErrorDetails } from '../errors';
 
 import Event from '../events';
 
+import { getSelfScope } from '../utils/get-self-scope';
+
 export function getAudioConfig (observer, data, offset, audioCodec) {
   let adtsObjectType, // :int
     adtsSampleingIndex, // :int

src/demux/demuxer-inline.js

@@ -15,9 +15,11 @@ import MP3Demuxer from '../demux/mp3demuxer';
 import MP4Remuxer from '../remux/mp4-remuxer';
 import PassThroughRemuxer from '../remux/passthrough-remuxer';
 
+import { getSelfScope } from '../utils/get-self-scope';
+
 // see https://stackoverflow.com/a/11237259/589493
 /* eslint-disable-next-line no-undef */
-const window = self; // safeguard for code that might run both on worker and main thread
+const window = getSelfScope(); // safeguard for code that might run both on worker and main thread
 
 const { performance } = window;
 

src/demux/demuxer.js

@@ -6,10 +6,11 @@ import DemuxerInline from '../demux/demuxer-inline';
 import { logger } from '../utils/logger';
 import { ErrorTypes, ErrorDetails } from '../errors';
 import { getMediaSource } from '../utils/mediasource-helper';
+import { getSelfScope } from '../utils/get-self-scope';
 
 // see https://stackoverflow.com/a/11237259/589493
 /* eslint-disable-next-line no-undef */
-const window = self; // safeguard for code that might run both on worker and main thread
+const window = getSelfScope(); // safeguard for code that might run both on worker and main thread
 
 const MediaSource = getMediaSource();
 

src/utils/logger.js

@@ -1,3 +1,5 @@
+import { getSelfScope } from './get-self-scope';
+
 function noop () {}
 
 const fakeLogger = {
@@ -26,7 +28,7 @@ function formatMsg (type, msg) {
 }
 
 /* eslint-disable-next-line no-undef */
-const window = self;
+const window = getSelfScope();
 
 function consolePrintFn (type) {
   const func = window.console[type];