use promise and object.assign polyfill

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dplayer",
-  "version": "1.20.0",
+  "version": "1.20.1",
   "description": "Wow, such a lovely HTML5 danmaku video player",
   "main": "dist/DPlayer.min.js",
   "style": "dist/DPlayer.min.css",
@@ -53,6 +53,8 @@
     "webpack-dev-server": "^2.9.5"
   },
   "dependencies": {
-    "balloon-css": "^0.5.0"
+    "balloon-css": "^0.5.0",
+    "object-assign": "4.1.1",
+    "promise-polyfill": "7.0.0"
   }
 }

src/js/options.js

@@ -1,4 +1,5 @@
 /* global DPLAYER_VERSION GIT_HASH */
+import objectAssign from 'object-assign';
 import defaultApiBackend from './api.js';
 
 export default (options) => {
@@ -116,7 +117,7 @@ export default (options) => {
     }
 
     if (options.icons) {
-        options.icons = Object.assign({}, defaultOption.icons, options.icons);
+        options.icons = objectAssign({}, defaultOption.icons, options.icons);
     }
 
     options.contextmenu = options.contextmenu.concat([

src/js/player.js

@@ -1,3 +1,5 @@
+import Promise from 'promise-polyfill';
+
 import utils from './utils';
 import handleOption from './options';
 import i18n from './i18n';
@@ -175,15 +177,11 @@ class DPlayer {
 
         this.template.playButton.innerHTML = this.icons.get('pause');
 
-        const playedPromise = this.video.play();
-        if (playedPromise) {
-            playedPromise.
-                catch(() => {
-                    this.pause();
-                }).
-                then(() => {
-                });
-        }
+        const playedPromise = Promise.resolve(this.video.play());
+        playedPromise.catch(() => {
+            this.pause();
+        }).then(() => {
+        });
         this.time.enable();
         this.container.classList.add('dplayer-playing');
         if (this.danmaku) {

yarn.lock

@@ -3358,7 +3358,7 @@ oauth-sign@~0.8.1, oauth-sign@~0.8.2:
   version "0.8.2"
   resolved "http://registry.npm.taobao.org/oauth-sign/download/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign@^4.0.1, object-assign@^4.1.0:
+object-assign@4.1.1, object-assign@^4.0.1, object-assign@^4.1.0:
   version "4.1.1"
   resolved "http://registry.npm.taobao.org/object-assign/download/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
 
@@ -3920,6 +3920,10 @@ progress@^2.0.0:
   version "2.0.0"
   resolved "http://registry.npm.taobao.org/progress/download/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
 
+promise-polyfill@7.0.0:
+  version "7.0.0"
+  resolved "http://registry.npm.taobao.org/promise-polyfill/download/promise-polyfill-7.0.0.tgz#c665b6da1f97e21c3f2f7aa0543c90209127cb15"
+
 proxy-addr@~2.0.2:
   version "2.0.2"
   resolved "http://registry.npm.taobao.org/proxy-addr/download/proxy-addr-2.0.2.tgz#6571504f47bb988ec8180253f85dd7e14952bdec"