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test if context is AudioContext before trying to resume

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tambien 2019-06-19 10:18:33 -04:00
parent fee62e9173
commit 95142d1a6f
1 changed files with 6 additions and 2 deletions
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8
Tone/core/Global.ts
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@ -39,8 +39,12 @@ export function setContext(context: BaseAudioContext): void {
* @example
* document.querySelector('#playbutton').addEventListener('click', () => Tone.start())
*/
export function start(): Promise < void> {
return globalContext.resume();
export function start(): Promise <void> {
if (globalContext instanceof AudioContext) {
return globalContext.resume();
} else {
return Promise.resolve();
}
}
/**