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var BRp = {};
BRp.getCachedImage = function( url, crossOrigin, onLoad ){
var r = this;
var imageCache = r.imageCache = r.imageCache || {};
var cache = imageCache[ url ];
if( cache ){
if( !cache.image.complete ){
cache.image.addEventListener('load', onLoad);
}
return cache.image;
} else {
cache = imageCache[ url ] = imageCache[ url ] || {};
var image = cache.image = new Image(); // eslint-disable-line no-undef
image.addEventListener('load', onLoad);
image.addEventListener('error', function(){ image.error = true; });
// #1582 safari doesn't load data uris with crossOrigin properly
// https://bugs.webkit.org/show_bug.cgi?id=123978
var dataUriPrefix = 'data:';
var isDataUri = url.substring( 0, dataUriPrefix.length ).toLowerCase() === dataUriPrefix;
if( !isDataUri ){
// if crossorigin is 'null'(stringified), then manually set it to null
crossOrigin = crossOrigin === 'null' ? null : crossOrigin;
image.crossOrigin = crossOrigin; // prevent tainted canvas
}
image.src = url;
return image;
}
};
export default BRp;
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