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Made it a UMD module #3

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Made it a UMD module #3

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d6b8240
Made it a UMD module
mjsarfatti Feb 15, 2016
da069a3
Add support for srcset attribute
mjsarfatti Feb 18, 2016
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91 changes: 55 additions & 36 deletions src/object-fit-polyfill.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,20 @@
*
*/

;(function (window, document) {
;(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define([], factory);
} else if (typeof module === 'object' && module.exports) {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory();
} else {
// Browser globals (root is window)
root.objectFitPolyfill = factory();
}
}(this, function () {
'use strict';

var supports = function (){
Expand Down Expand Up @@ -69,49 +82,55 @@

};

if ( supports('object-fit') === false ) {
var init = function() {

var oImages = document.querySelectorAll('[data-object-fit]'),
oDiv, sSource;
if ( supports('object-fit') === false ) {

for ( var nKey = 0; nKey < oImages.length; nKey++ ) {
var oImages = document.querySelectorAll('[data-object-fit]'),
oDiv, sSource;

oDiv = document.createElement('div');
for ( var nKey = 0; nKey < oImages.length; nKey++ ) {

if (oImages[nKey].getAttribute('data-src-retina')) {
sSource = oImages[nKey].getAttribute('data-src-retina');
} else if ( oImages[nKey].getAttribute('data-src')) {
sSource = oImages[nKey].getAttribute('data-src');
} else {
sSource = oImages[nKey].src;
}
oDiv = document.createElement('div');

if (oImages[nKey].getAttribute('data-src-retina')) {
sSource = oImages[nKey].getAttribute('data-src-retina');
} else if ( oImages[nKey].getAttribute('data-src')) {
sSource = oImages[nKey].getAttribute('data-src');
} else {
sSource = oImages[nKey].currentSrc || oImages[nKey].src;
}

copyComputedStyle( oImages[nKey], oDiv );

oDiv.style.display = "block";
oDiv.style.backgroundImage = "url("+ sSource + ")";
oDiv.style.backgroundPosition = "center center";
oDiv.style.className = oImages[nKey].className;
oDiv.style.backgroundRepeat = "no-repeat";

switch (oImages[nKey].getAttribute('data-object-fit')) {
case "cover":
oDiv.style.backgroundSize = "cover";
break;
case "contain":
oDiv.style.backgroundSize = "contain";
break;
case "fill":
oDiv.style.backgroundSize = "100% 100%";
break;
case "none":
oDiv.style.backgroundSize = "auto";
break;
copyComputedStyle( oImages[nKey], oDiv );

oDiv.style.display = "block";
oDiv.style.backgroundImage = "url("+ sSource + ")";
oDiv.style.backgroundPosition = "center center";
oDiv.className = oImages[nKey].className;
oDiv.style.backgroundRepeat = "no-repeat";

switch (oImages[nKey].getAttribute('data-object-fit')) {
case "cover":
oDiv.style.backgroundSize = "cover";
break;
case "contain":
oDiv.style.backgroundSize = "contain";
break;
case "fill":
oDiv.style.backgroundSize = "100% 100%";
break;
case "none":
oDiv.style.backgroundSize = "auto";
break;
}

oImages[nKey].parentNode.replaceChild( oDiv, oImages[nKey]);
}

oImages[nKey].parentNode.replaceChild( oDiv, oImages[nKey]);
}

}

})(window, document);
return { init: init };

}));