j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutMQ /*!
* imagesLoaded v3.0.2
* JavaScript is all like "You images are done yet or what?"
*/
( function( window ) {
'use strict';
var $ = window.jQuery;
var console = window.console;
var hasConsole = typeof console !== 'undefined';
// -------------------------- helpers -------------------------- //
// extend objects
function extend( a, b ) {
for ( var prop in b ) {
a[ prop ] = b[ prop ];
}
return a;
}
var objToString = Object.prototype.toString;
function isArray( obj ) {
return objToString.call( obj ) === '[object Array]';
}
// turn element or nodeList into an array
function makeArray( obj ) {
var ary = [];
if ( isArray( obj ) ) {
// use object if already an array
ary = obj;
} else if ( typeof obj.length === 'number' ) {
// convert nodeList to array
for ( var i=0, len = obj.length; i < len; i++ ) {
ary.push( obj[i] );
}
} else {
// array of single index
ary.push( obj );
}
return ary;
}
// -------------------------- -------------------------- //
function defineImagesLoaded( EventEmitter, eventie ) {
/**
* @param {Array, Element, NodeList, String} elem
* @param {Object or Function} options - if function, use as callback
* @param {Function} onAlways - callback function
*/
function ImagesLoaded( elem, options, onAlways ) {
// coerce ImagesLoaded() without new, to be new ImagesLoaded()
if ( !( this instanceof ImagesLoaded ) ) {
return new ImagesLoaded( elem, options );
}
// use elem as selector string
if ( typeof elem === 'string' ) {
elem = document.querySelectorAll( elem );
}
this.elements = makeArray( elem );
this.options = extend( {}, this.options );
if ( typeof options === 'function' ) {
onAlways = options;
} else {
extend( this.options, options );
}
if ( onAlways ) {
this.on( 'always', onAlways );
}
this.getImages();
if ( $ ) {
// add jQuery Deferred object
this.jqDeferred = new $.Deferred();
}
// HACK check async to allow time to bind listeners
var _this = this;
setTimeout( function() {
_this.check();
});
}
ImagesLoaded.prototype = new EventEmitter();
ImagesLoaded.prototype.options = {};
ImagesLoaded.prototype.getImages = function() {
this.images = [];
// filter & find items if we have an item selector
for ( var i=0, len = this.elements.length; i < len; i++ ) {
var elem = this.elements[i];
// filter siblings
if ( elem.nodeName === 'IMG' ) {
this.addImage( elem );
}
// find children
var childElems = elem.querySelectorAll('img');
// concat childElems to filterFound array
for ( var j=0, jLen = childElems.length; j < jLen; j++ ) {
var img = childElems[j];
this.addImage( img );
}
}
};
/**
* @param {Image} img
*/
ImagesLoaded.prototype.addImage = function( img ) {
var loadingImage = new LoadingImage( img );
this.images.push( loadingImage );
};
ImagesLoaded.prototype.check = function() {
var _this = this;
var checkedCount = 0;
var length = this.images.length;
this.hasAnyBroken = false;
// complete if no images
if ( !length ) {
this.complete();
return;
}
function onConfirm( image, message ) {
if ( _this.options.debug && hasConsole ) {
console.log( 'confirm', image, message );
}
_this.progress( image );
checkedCount++;
if ( checkedCount === length ) {
_this.complete();
}
return true; // bind once
}
for ( var i=0; i < length; i++ ) {
var loadingImage = this.images[i];
loadingImage.on( 'confirm', onConfirm );
loadingImage.check();
}
};
ImagesLoaded.prototype.progress = function( image ) {
this.hasAnyBroken = this.hasAnyBroken || !image.isLoaded;
this.emit( 'progress', this, image );
if ( this.jqDeferred ) {
this.jqDeferred.notify( this, image );
}
};
ImagesLoaded.prototype.complete = function() {
var eventName = this.hasAnyBroken ? 'fail' : 'done';
this.isComplete = true;
this.emit( eventName, this );
this.emit( 'always', this );
if ( this.jqDeferred ) {
var jqMethod = this.hasAnyBroken ? 'reject' : 'resolve';
this.jqDeferred[ jqMethod ]( this );
}
};
// -------------------------- jquery -------------------------- //
if ( $ ) {
$.fn.imagesLoaded = function( options, callback ) {
var instance = new ImagesLoaded( this, options, callback );
return instance.jqDeferred.promise( $(this) );
};
}
// -------------------------- -------------------------- //
var cache = {};
function LoadingImage( img ) {
this.img = img;
}
LoadingImage.prototype = new EventEmitter();
LoadingImage.prototype.check = function() {
// first check cached any previous images that have same src
var cached = cache[ this.img.src ];
if ( cached ) {
this.useCached( cached );
return;
}
// add this to cache
cache[ this.img.src ] = this;
// If complete is true and browser supports natural sizes,
// try to check for image status manually.
if ( this.img.complete && this.img.naturalWidth !== undefined ) {
// report based on naturalWidth
this.confirm( this.img.naturalWidth !== 0, 'naturalWidth' );
return;
}
// If none of the checks above matched, simulate loading on detached element.
var proxyImage = this.proxyImage = new Image();
eventie.bind( proxyImage, 'load', this );
eventie.bind( proxyImage, 'error', this );
proxyImage.src = this.img.src;
};
LoadingImage.prototype.useCached = function( cached ) {
if ( cached.isConfirmed ) {
this.confirm( cached.isLoaded, 'cached was confirmed' );
} else {
var _this = this;
cached.on( 'confirm', function( image ) {
_this.confirm( image.isLoaded, 'cache emitted confirmed' );
return true; // bind once
});
}
};
LoadingImage.prototype.confirm = function( isLoaded, message ) {
this.isConfirmed = true;
this.isLoaded = isLoaded;
this.emit( 'confirm', this, message );
};
// trigger specified handler for event type
LoadingImage.prototype.handleEvent = function( event ) {
var method = 'on' + event.type;
if ( this[ method ] ) {
this[ method ]( event );
}
};
LoadingImage.prototype.onload = function() {
this.confirm( true, 'onload' );
this.unbindProxyEvents();
};
LoadingImage.prototype.onerror = function() {
this.confirm( false, 'onerror' );
this.unbindProxyEvents();
};
LoadingImage.prototype.unbindProxyEvents = function() {
eventie.unbind( this.proxyImage, 'load', this );
eventie.unbind( this.proxyImage, 'error', this );
};
// ----- ----- //
return ImagesLoaded;
}
// -------------------------- transport -------------------------- //
if ( typeof define === 'function' && define.amd ) {
// AMD
define( [
'eventEmitter',
'eventie'
],
defineImagesLoaded );
} else {
// browser global
window.imagesLoaded = defineImagesLoaded(
window.EventEmitter,
window.eventie
);
}
})( window );
text/javascriptUTF-8imagesloaded.js
https://whatsonchain.com/tx/cb6e33d976fab59b6ae2d4e900106b2a2a920ccc7fb8c32fcba96882b0100a05