Blob.min.js

/*! Blob.js v1.1.1
 *
 * native Blob interface support (polyfill)
 *
 * By Travis Clarke, https://travismclarke.com
 * By Eli Grey, http://eligrey.com
 * By Devin Samarin, https://github.com/dsamarin
 *
 * License: MIT (https://github.com/clarketm/Blob.js/blob/master/LICENSE.md)
 *
 */
(function(e,t){if(typeof exports==="object"&&typeof exports.nodeName!=="string"){module.exports=e.document?t(e,true):function(e){if(!e.document){throw new Error("blobjs requires a window with a document")}return t(e)}}else{t(e)}})(window||this,function(e,t){"use strict";var n=/^((?!chrome|android).)*safari/i.test(navigator.userAgent);e.URL=e.URL||e.webkitURL;if(e.Blob&&e.URL&&!n){try{new e.Blob;if(typeof define==="function"&&define.amd){define("blobjs",[],function(){return e.Blob})}return e.Blob}catch(e){}}var i=e.BlobBuilder||e.WebKitBlobBuilder||e.MozBlobBuilder||function(e){var t=function(e){return Object.prototype.toString.call(e).match(/^\[object\s(.*)\]$/)[1]},n=function e(){this.data=[]},i=function e(t,n,i){this.data=t;this.size=t.length;this.type=n;this.encoding=i},o=n.prototype,r=i.prototype,a=e.FileReaderSync,f=function(e){this.code=this[this.name=e]},c=("NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "+"NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR").split(" "),s=c.length,l=e.URL||e.webkitURL||e,u=l.createObjectURL,d=l.revokeObjectURL,p=l,b=e.btoa,h=e.atob,R=e.ArrayBuffer,g=e.Uint8Array,w=/^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/;i.fake=r.fake=true;while(s--){f.prototype[c[s]]=s+1}if(!l.createObjectURL){p=e.URL=function(e){var t=document.createElementNS("http://www.w3.org/1999/xhtml","a"),n;t.href=e;if(!("origin"in t)){if(t.protocol.toLowerCase()==="data:"){t.origin=null}else{n=e.match(w);t.origin=n&&n[1]}}return t}}p.createObjectURL=function(e){var t=e.type,n;if(t===null){t="application/octet-stream"}if(e instanceof i){n="data:"+t;if(e.encoding==="base64"){return n+";base64,"+e.data}else if(e.encoding==="URI"){return n+","+decodeURIComponent(e.data)}if(b){return n+";base64,"+b(e.data)}else{return n+","+encodeURIComponent(e.data)}}else if(u){return u.call(l,e)}};p.revokeObjectURL=function(e){if(e.substring(0,5)!=="data:"&&d){d.call(l,e)}};o.append=function(e){var n=this.data;if(g&&(e instanceof R||e instanceof g)){var o="",r=new g(e),c=0,s=r.length;for(;c<s;c++){o+=String.fromCharCode(r[c])}n.push(o)}else if(t(e)==="Blob"||t(e)==="File"){if(a){var l=new a;n.push(l.readAsBinaryString(e))}else{throw new f("NOT_READABLE_ERR")}}else if(e instanceof i){if(e.encoding==="base64"&&h){n.push(h(e.data))}else if(e.encoding==="URI"){n.push(decodeURIComponent(e.data))}else if(e.encoding==="raw"){n.push(e.data)}}else{if(typeof e!=="string"){e+=""}n.push(unescape(encodeURIComponent(e)))}};o.getBlob=function(e){if(!arguments.length){e=null}return new i(this.data.join(""),e,"raw")};o.toString=function(){return"[object BlobBuilder]"};r.slice=function(e,t,n){var o=arguments.length;if(o<3){n=null}return new i(this.data.slice(e,o>1?t:this.data.length),n,this.encoding)};r.toString=function(){return"[object Blob]"};r.close=function(){this.size=0;delete this.data};return n}(e);var o=function(e,t){var n=t?t.type||"":"";var o=new i;if(e){for(var r=0,a=e.length;r<a;r++){if(Uint8Array&&e[r]instanceof Uint8Array){o.append(e[r].buffer)}else{o.append(e[r])}}}var f=o.getBlob(n);if(!f.slice&&f.webkitSlice){f.slice=f.webkitSlice}return f};var r=Object.getPrototypeOf||function(e){return e.__proto__};o.prototype=r(new e.Blob);if(typeof define==="function"&&define.amd){define("blobjs",[],function(){return o})}if(typeof t==="undefined"){e.Blob=o}return o});