Check AC State (katspaugh#1033)

Should not close audiocontext when it's already closed. Chrome throws a warning if done so.
Gary-Pan · Aug 20, 2017 · 24150db · 24150db
1 parent 74afa3d
commit 24150db
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/webaudio.js b/src/webaudio.js
@@ -439,7 +439,7 @@ export default class WebAudio extends util.Observer {
         // close the audioContext if closeAudioContext option is set to true
         if (this.params.closeAudioContext) {
             // check if browser supports AudioContext.close()
-            if (typeof this.ac.close === 'function') {
+            if (typeof this.ac.close === 'function' && this.ac.state != 'closed') {
                 this.ac.close();
             }
             // clear the reference to the audiocontext