basant307/AI_Governance_Project

1var BRp = {};2 3BRp.getCachedImage = function( url, crossOrigin, onLoad ){4  var r = this;5  var imageCache = r.imageCache = r.imageCache || {};6  var cache = imageCache[ url ];7 8  if( cache ){9    if( !cache.image.complete ){10      cache.image.addEventListener('load', onLoad);11    }12 13    return cache.image;14  } else {15    cache = imageCache[ url ] = imageCache[ url ] || {};16 17    var image = cache.image = new Image(); // eslint-disable-line no-undef18 19    image.addEventListener('load', onLoad);20    image.addEventListener('error', function(){ image.error = true; });21 22    // #1582 safari doesn't load data uris with crossOrigin properly23    // https://bugs.webkit.org/show_bug.cgi?id=12397824    var dataUriPrefix = 'data:';25    var isDataUri = url.substring( 0, dataUriPrefix.length ).toLowerCase() === dataUriPrefix;26    if( !isDataUri ){27      // if crossorigin is 'null'(stringified), then manually set it to null 28      crossOrigin = crossOrigin === 'null' ? null : crossOrigin;29      image.crossOrigin = crossOrigin; // prevent tainted canvas30    }31 32    image.src = url;33 34    return image;35  }36};37 38export default BRp;39