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@getify

getify/1.js

Created June 2, 2018 04:09
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waitForEvent(..) -- promisified event listener
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1.js
function waitForEvent(elem,evtName) {
return new Promise(function c(resolve){
elem.addEventListener(evtName,function onEvent(evt){
elem.removeEventListener(evtName,onEvent,false);
resolve(evt);
},false);
});
}
@LoicMahieu
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Sindre already did it :)
https://github.com/sindresorhus/p-event

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