fix: Use readable-stream to enable angular users (#118)

Fixes #103 and could also solve the problem with #83.

I made a mistake with the rebase so we should squash this with a  `fix: Add support for Angular` commit message

Co-authored-by: Michael Chou <mingzhi22@gmail.com>
Co-authored-by: Dustin Popp <dpopp07@gmail.com>
Co-authored-by: null <wolf.bocanett@ibm.com>
Co-authored-by: Darío Hereñú <magallania@gmail.com>
Co-authored-by: Gurvinder Singh <sinny777@gmail.com>

README.md

@@ -43,6 +43,17 @@ In a local environment you should set only the `TEXT_TO_SPEECH_IAM_APIKEY` and `
 
 Once that is set up, the token can be used in your SDK request with the parameter `access_token`. See [this example](https://github.com/watson-developer-cloud/speech-javascript-sdk/blob/master/examples/static/microphone-streaming.html#L36).
 
+## Using with Angular
+
+Make sure `polyfills.ts` has following entries:
+
+```js
+(window as any).global = window;
+(window as any).process = require('process/browser');
+import 'zone.js/dist/zone';  // Included with Angular CLI.
+global.Buffer = global.Buffer || require('buffer').Buffer;
+```
+
 ## Changes
 
 See [CHANGELOG.md](CHANGELOG.md) for a complete list of changes.

package.json

@@ -34,9 +34,9 @@
     }
   ],
   "devDependencies": {
-    "@babel/cli": "^7.2.3",
-    "@babel/core": "^7.4.0",
-    "@babel/preset-env": "^7.4.2",
+    "@babel/cli": "^7.4.3",
+    "@babel/core": "^7.4.3",
+    "@babel/preset-env": "^7.4.3",
     "babel-loader": "^8.0.5",
     "babelify": "^10.0.0",
     "browserify": "^16.2.3",
@@ -68,18 +68,20 @@
     "webpack-cli": "^3.3.0"
   },
   "dependencies": {
-    "@babel/polyfill": "^7.4.0",
+    "@babel/polyfill": "^7.4.3",
     "buffer-from": "^1.1.1",
     "clone": "^2.1.2",
     "core-js": "^3.0.0",
     "defaults": "^1.0.3",
     "get-user-media-promise": "^1.1.4",
     "lodash.pullallwith": "^4.7.0",
-    "microphone-stream": "^4.1.3",
+    "microphone-stream": "^5.0.1",
     "nodeify-fetch": "^1.0.1",
     "object.assign": "^4.1.0",
     "object.pick": "^1.3.0",
+    "path": "^0.12.7",
     "readable-blob-stream": "^1.1.0",
+    "readable-stream": "^3.3.0",
     "watson-developer-cloud": "^3.18.3",
     "websocket": "^1.0.28",
     "whatwg-fetch": "^2.0.4"

speech-to-text/format-stream.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var Transform = require('stream').Transform;
+var { Transform } = require('readable-stream');
 var util = require('util');
 var clone = require('clone');
 var defaults = require('defaults');

speech-to-text/recognize-microphone.js

@@ -22,7 +22,7 @@ var L16 = require('./webaudio-l16-stream.js');
 var FormatStream = require('./format-stream.js');
 var assign = require('object.assign/polyfill')();
 var WritableElementStream = require('./writable-element-stream');
-var Writable = require('stream').Writable;
+var { Writable } = require('readable-stream');
 var ResultStream = require('./result-stream');
 var SpeakerStream = require('./speaker-stream');
 

speech-to-text/recognize-stream.js

@@ -16,7 +16,7 @@
 
 'use strict';
 
-var Duplex = require('stream').Duplex;
+var { Duplex } = require('readable-stream');
 var util = require('util');
 var pick = require('object.pick');
 var W3CWebSocket = require('websocket').w3cwebsocket;

speech-to-text/result-stream.js

@@ -16,7 +16,7 @@
 
 'use strict';
 
-var Transform = require('stream').Transform;
+var { Transform } = require('readable-stream');
 var util = require('util');
 var clone = require('clone');
 

speech-to-text/speaker-stream.js

@@ -16,7 +16,7 @@
 
 'use strict';
 
-var Transform = require('stream').Transform;
+var { Transform } = require('readable-stream');
 var util = require('util');
 var pullAllWith = require('lodash.pullallwith');
 var noTimestamps = require('./no-timestamps');

speech-to-text/timing-stream.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var Transform = require('stream').Transform;
+var { Transform } = require('readable-stream');
 var util = require('util');
 var defaults = require('defaults');
 var noTimestamps = require('./no-timestamps');

speech-to-text/webaudio-l16-stream.js

@@ -1,5 +1,6 @@
 'use strict';
-var Transform = require('stream').Transform;
+
+var { Transform } = require('readable-stream');
 var util = require('util');
 var defaults = require('defaults');
 // some versions of the buffer browser lib don't support Buffer.from (such as the one included by the current version of express-browserify)

speech-to-text/writable-element-stream.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var Writable = require('stream').Writable;
+var { Writable } = require('readable-stream');
 var util = require('util');
 var defaults = require('defaults');