toJSON

grunt.js

@@ -319,13 +319,16 @@ module.exports = function(grunt) {
       },
       watch: {
         files: {
-          'build/temp/video.js': ['src/js/video.js']
+          'build/temp/video.js': ['src/js/video.js'],
+          'build/temp/tests.js': [
+            'test/globals-shim.js',
+            'test/unit/**/*.js'
+          ]
         },
         options: {
           watch: true,
           keepAlive: true,
           browserifyOptions: {
-            debug: true,
             standalone: 'videojs'
           },
           banner: license,

src/js/player.js

@@ -1659,6 +1659,24 @@ class Player extends Component {
     return this.languages_;
   }
 
+  toJSON() {
+    let options = Lib.obj.deepMerge({}, this.options());
+    let tracks = options.tracks;
+
+    options.tracks = [];
+
+    for (let i = 0; i < tracks.length; i++) {
+      let track = tracks[i];
+
+      // deep merge tracks and null out player so no circular references
+      track = Lib.obj.deepMerge({}, track);
+      track.player = undefined;
+      options.tracks[i] = track;
+    }
+
+    return options;
+  }
+
   static getTagSettings(tag) {
     let baseOptions = {
       'sources': [],

test/unit/player.js

@@ -728,3 +728,33 @@ test('should throw on startup no techs are specified', function() {
 
   Options.techOrder = techOrder;
 });
+
+test('should have a sensible toJSON that is equivalent to player.options', function() {
+  const playerOptions = {
+    html5: {
+      nativeTextTracks: false
+    }
+  };
+
+  const player = TestHelpers.makePlayer(playerOptions);
+
+  deepEqual(player.toJSON(), player.options(), 'simple player options toJSON produces output equivalent to player.options()');
+
+  const playerOptions2 = {
+    tracks: [{
+      label: 'English',
+      srclang: 'en',
+      src: '../docs/examples/shared/example-captions.vtt',
+      kind: 'captions'
+    }]
+  };
+
+  const player2 = TestHelpers.makePlayer(playerOptions2);
+
+  playerOptions2.tracks[0].player = player2;
+
+  const popts = player2.options();
+  popts.tracks[0].player = undefined;
+
+  deepEqual(player2.toJSON(), popts, 'no circular references');
+});