FileSaver.js

/*!@source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js*/var saveAs=saveAs||(typeof navigator!=="undefined"&&navigator.msSaveOrOpenBlob&&navigator.msSaveOrOpenBlob.bind(navigator))||(function(view){"use strict";if(typeof navigator!=="undefined"&&/MSIE [1-9]\./.test(navigator.userAgent)){return;}
var
doc=view.document,get_URL=function(){return view.URL||view.webkitURL||view;},save_link=doc.createElementNS("http://www.w3.org/1999/xhtml","a"),can_use_save_link="download"in save_link,click=function(node){var event=doc.createEvent("MouseEvents");event.initMouseEvent("click",true,false,view,0,0,0,0,0,false,false,false,false,0,null);node.dispatchEvent(event);},webkit_req_fs=view.webkitRequestFileSystem,req_fs=view.requestFileSystem||webkit_req_fs||view.mozRequestFileSystem,throw_outside=function(ex){(view.setImmediate||view.setTimeout)(function(){throw ex;},0);},force_saveable_type="application/octet-stream",fs_min_size=0,arbitrary_revoke_timeout=10,revoke=function(file){var revoker=function(){if(typeof file==="string"){get_URL().revokeObjectURL(file);}else{file.remove();}};if(view.chrome){revoker();}else{setTimeout(revoker,arbitrary_revoke_timeout);}},dispatch=function(filesaver,event_types,event){event_types=[].concat(event_types);var i=event_types.length;while(i--){var listener=filesaver["on"+event_types[i]];if(typeof listener==="function"){try{listener.call(filesaver,event||filesaver);}catch(ex){throw_outside(ex);}}}},FileSaver=function(blob,name){var
filesaver=this,type=blob.type,blob_changed=false,object_url,target_view,dispatch_all=function(){dispatch(filesaver,"writestart progress write writeend".split(" "));},fs_error=function(){if(blob_changed||!object_url){object_url=get_URL().createObjectURL(blob);}
if(target_view){target_view.location.href=object_url;}else{var new_tab=view.open(object_url,"_blank");if(new_tab==undefined&&typeof safari!=="undefined"){view.location.href=object_url}}
filesaver.readyState=filesaver.DONE;dispatch_all();revoke(object_url);},abortable=function(func){return function(){if(filesaver.readyState!==filesaver.DONE){return func.apply(this,arguments);}};},create_if_not_found={create:true,exclusive:false},slice;filesaver.readyState=filesaver.INIT;if(!name){name="download";}
if(can_use_save_link){object_url=get_URL().createObjectURL(blob);save_link.href=object_url;save_link.download=name;click(save_link);filesaver.readyState=filesaver.DONE;dispatch_all();revoke(object_url);return;}
if(view.chrome&&type&&type!==force_saveable_type){slice=blob.slice||blob.webkitSlice;blob=slice.call(blob,0,blob.size,force_saveable_type);blob_changed=true;}
if(webkit_req_fs&&name!=="download"){name+=".download";}
if(type===force_saveable_type||webkit_req_fs){target_view=view;}
if(!req_fs){fs_error();return;}
fs_min_size+=blob.size;req_fs(view.TEMPORARY,fs_min_size,abortable(function(fs){fs.root.getDirectory("saved",create_if_not_found,abortable(function(dir){var save=function(){dir.getFile(name,create_if_not_found,abortable(function(file){file.createWriter(abortable(function(writer){writer.onwriteend=function(event){target_view.location.href=file.toURL();filesaver.readyState=filesaver.DONE;dispatch(filesaver,"writeend",event);revoke(file);};writer.onerror=function(){var error=writer.error;if(error.code!==error.ABORT_ERR){fs_error();}};"writestart progress write abort".split(" ").forEach(function(event){writer["on"+event]=filesaver["on"+event];});writer.write(blob);filesaver.abort=function(){writer.abort();filesaver.readyState=filesaver.DONE;};filesaver.readyState=filesaver.WRITING;}),fs_error);}),fs_error);};dir.getFile(name,{create:false},abortable(function(file){file.remove();save();}),abortable(function(ex){if(ex.code===ex.NOT_FOUND_ERR){save();}else{fs_error();}}));}),fs_error);}),fs_error);},FS_proto=FileSaver.prototype,saveAs=function(blob,name){return new FileSaver(blob,name);};FS_proto.abort=function(){var filesaver=this;filesaver.readyState=filesaver.DONE;dispatch(filesaver,"abort");};FS_proto.readyState=FS_proto.INIT=0;FS_proto.WRITING=1;FS_proto.DONE=2;FS_proto.error=FS_proto.onwritestart=FS_proto.onprogress=FS_proto.onwrite=FS_proto.onabort=FS_proto.onerror=FS_proto.onwriteend=null;return saveAs;}(typeof self!=="undefined"&&self||typeof window!=="undefined"&&window||this.content));if(typeof module!=="undefined"&&module!==null){module.exports=saveAs;}else if((typeof define!=="undefined"&&define!==null)&&(define.amd!=null)){define([],function(){return saveAs;});}