fix: Added babel to build for ES2015, so older browsers are supported (…

…#478)

.babelrc

@@ -0,0 +1,13 @@
+{
+  "presets": [
+    [
+      "env",
+      {
+        "targets": {
+          "ie": 11
+        },
+        "modules": false
+      }
+    ]
+  ]
+}

configs/rollup.config.js

@@ -1,21 +1,25 @@
 import copy from 'rollup-plugin-copy';
-import json from 'rollup-plugin-json'
+import json from 'rollup-plugin-json';
+import babel from 'rollup-plugin-babel';
 
 export default {
   name: 'videojsIma',
   input: 'src/ima-plugin.js',
   output: {
     file: 'dist/videojs.ima.js',
-    format: 'umd'
+    format: 'umd',
   },
   external: ['video.js', 'videojs-contrib-ads'],
   globals: {
-    'video.js': 'videojs'
+    'video.js': 'videojs',
   },
   plugins: [
     json(),
     copy({
-      "src/css/videojs.ima.css": "dist/videojs.ima.css",
-    })
-  ]
+      'src/css/videojs.ima.css': 'dist/videojs.ima.css',
+    }),
+    babel({
+      exclude: 'node_modules/**',
+    }),
+  ],
 };

configs/rollup.config.min.js

@@ -1,24 +1,28 @@
 import copy from 'rollup-plugin-copy';
-import json from 'rollup-plugin-json'
-import { minify } from 'uglify-es';
+import json from 'rollup-plugin-json';
+import {minify} from 'uglify-es';
 import uglify from 'rollup-plugin-uglify';
+import babel from 'rollup-plugin-babel';
 
 export default {
   name: 'videojsIma',
   input: 'src/ima-plugin.js',
   output: {
     file: 'dist/videojs.ima.min.js',
-    format: 'umd'
+    format: 'umd',
   },
   external: ['video.js', 'videojs-contrib-ads'],
   globals: {
-    'video.js': 'videojs'
+    'video.js': 'videojs',
   },
   plugins: [
     json(),
+    babel({
+      exclude: 'node_modules/**',
+    }),
     uglify({}, minify),
     copy({
-      "src/css/videojs.ima.css": "dist/videojs.ima.css",
-    })
-  ]
+      'src/css/videojs.ima.css': 'dist/videojs.ima.css',
+    }),
+  ],
 };