Adopt event-target-shim (#72)

* Adopt event-target-shim

* Fix ESLint

* Update PR number

* Bump eslint-utils

CHANGELOG.md

@@ -20,7 +20,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
    - Quirks: in continuous mode, calling `stop` in-between `recognizing` and `recognized` will not emit final `result` event
 - Speech recognition: New `audioConfig` option to override the default `AudioConfig.fromDefaultMicrophoneInput`, in PR [#33](https://github.com/compulim/web-speech-cognitive-services/pull/33)
 - Speech synthesis: Fix [#32](https://github.com/compulim/web-speech-cognitive-services/issues/32), fetch voices from services, in PR [#35](https://github.com/compulim/web-speech-cognitive-services/pull/35)
-- Speech synthesis: Fix [#34](https://github.com/compulim/web-speech-cognitive-services/issues/34), in PR [#36](https://github.com/compulim/web-speech-cognitive-services/pull/36) and PR [#XXX](https://github.com/compulim/web-speech-cognitive-services/pull/XXX)
+- Speech synthesis: Fix [#34](https://github.com/compulim/web-speech-cognitive-services/issues/34), in PR [#36](https://github.com/compulim/web-speech-cognitive-services/pull/36) and PR [#44](https://github.com/compulim/web-speech-cognitive-services/pull/44)
    - Support user-controlled `AudioContext` object to be passed as an option named `audioContext`
    - If no `audioContext` option is passed, will create a new `AudioContext` object on first synthesis
 - Speech synthesis: If an empty utterance is being synthesized, will play an local empty audio clip, in PR [#36](https://github.com/compulim/web-speech-cognitive-services/pull/36)
@@ -60,6 +60,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added bundle distribution thru https://unpkg.com/web-speech-cognitive-services@latest/umd/, in PR [#21](https://github.com/compulim/web-speech-cognitive-services/pull/21)
 - Bumped to [[email protected]](https://www.npmjs.com/package/microsoft-cognitiveservices-speech-sdk), in PR [#22](https://github.com/compulim/web-speech-cognitive-services/pull/22)
 - Fix [#55](https://github.com/compulim/web-speech-cognitive-services/issues/55) and [#63](https://github.com/compulim/web-speech-cognitive-services/issues/63). Moves to [WHATWG `EventTarget` interface](https://dom.spec.whatwg.org/#interface-eventtarget), in PR [#56](https://github.com/compulim/web-speech-cognitive-services/pulls/56) and PR [#64](https://github.com/compulim/web-speech-cognitive-services/pulls/64)
+- Instead of including `[email protected]`, we are adopting its source code, in PR [#72](https://github.com/compulim/web-speech-cognitive-services/pulls/72)
+   - This is because the original package requires browser to support rest/spread operators
 
 ### Fixed
 

packages/component/.eslintignore

@@ -1,3 +1,4 @@
 /**/*.spec.js
 /**/*.test.js
 /src/BingSpeech/**/*
+/src/external/**/*

packages/component/src/SpeechServices/SpeechToText/createSpeechRecognitionPonyfill.js

@@ -4,7 +4,7 @@
 /* eslint no-empty-function: "off" */
 /* eslint no-magic-numbers: ["error", { "ignore": [0, 100, 150] }] */
 
-import { defineEventAttribute, EventTarget } from 'event-target-shim';
+import { defineEventAttribute, EventTarget } from '../../external/event-target-shim';
 
 import cognitiveServiceEventResultToWebSpeechRecognitionResultList from './cognitiveServiceEventResultToWebSpeechRecognitionResultList';
 import createPromiseQueue from '../../Util/createPromiseQueue';

packages/component/src/SpeechServices/TextToSpeech/SpeechSynthesisUtterance.js

@@ -1,11 +1,10 @@
 /* eslint no-empty: ["error", { "allowEmptyCatch": true }] */
 
-import { defineEventAttribute, EventTarget } from 'event-target-shim';
+import { defineEventAttribute, EventTarget } from '../../external/event-target-shim';
 import EventAsPromise from 'event-as-promise';
 
 import fetchSpeechData from './fetchSpeechData';
 import SpeechSynthesisEvent from './SpeechSynthesisEvent';
-import SpeechSynthesisVoice from './SpeechSynthesisVoice';
 import subscribeEvent from './subscribeEvent';
 
 function asyncDecodeAudioData(audioContext, arrayBuffer) {

packages/component/src/SpeechServices/TextToSpeech/createSpeechSynthesisPonyfill.js

@@ -1,4 +1,6 @@
-import { defineEventAttribute, EventTarget } from 'event-target-shim';
+/* eslint class-methods-use-this: 0 */
+
+import { defineEventAttribute, EventTarget } from '../../external/event-target-shim';
 import memoize from 'memoize-one';
 import onErrorResumeNext from 'on-error-resume-next';
 
@@ -46,20 +48,18 @@ export default ({
     )
   );
 
-  const getAuthorizationToken = async () => {
-    return (
-      typeof authorizationToken === 'function' ?
-        await authorizationToken()
-      : authorizationToken ?
-        await authorizationToken
-      :
-        await fetchMemoizedAuthorizationToken({
-          now: Date.now,
-          region,
-          subscriptionKey
-        })
-    );
-  };
+  const getAuthorizationToken = () => (
+    typeof authorizationToken === 'function' ?
+      authorizationToken()
+    : authorizationToken ?
+      authorizationToken
+    :
+      fetchMemoizedAuthorizationToken({
+        now: Date.now,
+        region,
+        subscriptionKey
+      })
+  );
 
   class SpeechSynthesis extends EventTarget {
     constructor() {

packages/component/src/SpeechServices/TextToSpeech/fetchCustomVoices.js

@@ -19,7 +19,7 @@ async function fetchEndpoint({ deploymentId, region, subscriptionKey }) {
     throw new Error('Failed to fetch custom voices');
   }
 
-  return await res.json();
+  return res.json();
 }
 
 export default async function ({ deploymentId, region, subscriptionKey }) {