ProximaEntertainment/plyr
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Add instanceof wrapper that avoids TypeError when second argument is undefined

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This commit is contained in:
Albin Larsson 2017-10-24 05:51:27 +02:00
parent 57517a9dcc
commit 542095f5eb
1 changed files with 5 additions and 2 deletions
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7
src/js/plyr.js
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@ -373,10 +373,10 @@
return input !== null && input instanceof Event;
},
cue: function(input) {
return input !== null && (input instanceof window.TextTrackCue || input instanceof window.VTTCue);
this.instanceOf(input, window.TextTrackCue) || this.instanceOf(input, window.VTTCue);
},
track: function(input) {
return input !== null && (input instanceof window.TextTrack || typeof input.kind === 'string');
return input !== null && (this.instanceOf(input, window.TextTrack) || typeof input.kind === 'string');
},
undefined: function(input) {
return input !== null && typeof input === 'undefined';
@ -389,6 +389,9 @@
(this.object(input) && Object.keys(input).length === 0)
);
},
instanceOf: function(input, constructor) {
return Boolean(input && constructor && input instanceof constructor);
},
},
// Credits: http://paypal.github.io/accessible-html5-video-player/