downloadjs/download.min.js

file downloading using client-side javascript

//download.js v4.1, by dandavis; 2008-2015. [CCBY2] see http://danml.com/download.html for tests/usage
(function(q,k){"function"==typeof define&&define.amd?define([],k):"object"==typeof exports?module.exports=k():q.download=k()})(this,function(){return function k(b,c,e){function r(n){var a=n.split(/[:;,]/);n=a[1];var a=("base64"==a[2]?atob:decodeURIComponent)(a.pop()),b=a.length,d=0,c=new Uint8Array(b);for(d;d<b;++d)c[d]=a.charCodeAt(d);return new g([c],{type:n})}function l(a,b){if("download"in d)return d.href=a,d.setAttribute("download",m),d.className="download-js-link",d.innerHTML="downloading...",h.body.appendChild(d),setTimeout(function(){d.click(),h.body.removeChild(d),!0===b&&setTimeout(function(){f.URL.revokeObjectURL(d.href)},250)},66),!0;if("undefined"!=typeof safari)return a="data:"+a.replace(/^data:([\w\/\-\+]+)/,"application/octet-stream"),!window.open(a)&&confirm("Displaying New Document\n\nUse Save As... to download, then click back to return to this page.")&&(location.href=a),!0;var c=h.createElement("iframe");h.body.appendChild(c),b||(a="data:"+a.replace(/^data:([\w\/\-\+]+)/,"application/octet-stream")),c.src=a,setTimeout(function(){h.body.removeChild(c)},333)}var f=window,a=e||"application/octet-stream";e=!c&&!e&&b;var h=document,d=h.createElement("a"),p=function(a){return String(a)},g=f.Blob||f.MozBlob||f.WebKitBlob||p,m=c||"download",g=g.call?g.bind(f):Blob;"true"===String(this)&&(b=[b,a],a=b[0],b=b[1]);if(e&&2048>e.length&&(m=e.split("/").pop().split("?")[0],d.href=e,-1!==d.href.indexOf(e)))return a=new XMLHttpRequest,a.open("GET",e,!0),a.responseType="blob",a.onload=function(a){k(a.target.response,m,"application/octet-stream")},a.send(),a;if(/^data\:[\w+\-]+\/[\w+\-]+[,;]/.test(b))return navigator.msSaveBlob?navigator.msSaveBlob(r(b),m):l(b);c=b instanceof g?b:new g([b],{type:a});if(navigator.msSaveBlob)return navigator.msSaveBlob(c,m);if(f.URL)l(f.URL.createObjectURL(c),!0);else{if("string"==typeof c||c.constructor===p)try{return l("data:"+a+";base64,"+f.btoa(c))}catch(n){return l("data:"+a+","+encodeURIComponent(c))}a=new FileReader,a.onload=function(a){l(this.result)},a.readAsDataURL(c)}return!0}});