1
0
mirror of https://github.com/moparisthebest/kaiwa synced 2024-11-15 22:05:09 -05:00
kaiwa/clientapp/libraries/IndexedDBShim.min.js

3 lines
26 KiB
JavaScript
Raw Normal View History

2013-12-20 13:09:06 -05:00
/*! IndexedDBShim - v0.1.2 - 2013-12-20 */
"use strict";var idbModules={};(function(e){function t(e,t,n,o){n.target=t,"function"==typeof t[e]&&t[e].apply(t,[n]),"function"==typeof o&&o()}function n(t,n,o){var i=new DOMException.constructor(0,n);throw i.name=t,i.message=n,e.DEBUG&&(console.log(t,n,o,i),console.trace&&console.trace()),i}var o=function(){this.length=0,this._items=[],Object.defineProperty&&Object.defineProperty(this,"_items",{enumerable:!1})};if(o.prototype={contains:function(e){return-1!==this._items.indexOf(e)},item:function(e){return this._items[e]},indexOf:function(e){return this._items.indexOf(e)},push:function(e){this._items.push(e),this.length+=1;for(var t=0;this._items.length>t;t++)this[t]=this._items[t]},splice:function(){this._items.splice.apply(this._items,arguments),this.length=this._items.length;for(var e in this)e===parseInt(e,10)+""&&delete this[e];for(e=0;this._items.length>e;e++)this[e]=this._items[e]}},Object.defineProperty)for(var i in{indexOf:!1,push:!1,splice:!1})Object.defineProperty(o.prototype,i,{enumerable:!1});e.util={throwDOMException:n,callback:t,quote:function(e){return"'"+e+"'"},StringList:o}})(idbModules),function(idbModules){var Sca=function(){return{decycle:function(object,callback){function checkForCompletion(){0===queuedObjects.length&&returnCallback(derezObj)}function readBlobAsDataURL(e,t){var n=new FileReader;n.onloadend=function(e){var n=e.target.result,o="blob";updateEncodedBlob(n,t,o)},n.readAsDataURL(e)}function updateEncodedBlob(dataURL,path,blobtype){var encoded=queuedObjects.indexOf(path);path=path.replace("$","derezObj"),eval(path+'.$enc="'+dataURL+'"'),eval(path+'.$type="'+blobtype+'"'),queuedObjects.splice(encoded,1),checkForCompletion()}function derez(e,t){var n,o,i;if(!("object"!=typeof e||null===e||e instanceof Boolean||e instanceof Date||e instanceof Number||e instanceof RegExp||e instanceof Blob||e instanceof String)){for(n=0;objects.length>n;n+=1)if(objects[n]===e)return{$ref:paths[n]};if(objects.push(e),paths.push(t),"[object Array]"===Object.prototype.toString.apply(e))for(i=[],n=0;e.length>n;n+=1)i[n]=derez(e[n],t+"["+n+"]");else{i={};for(o in e)Object.prototype.hasOwnProperty.call(e,o)&&(i[o]=derez(e[o],t+"["+JSON.stringify(o)+"]"))}return i}return e instanceof Blob?(queuedObjects.push(t),readBlobAsDataURL(e,t)):e instanceof Boolean?e={$type:"bool",$enc:""+e}:e instanceof Date?e={$type:"date",$enc:e.getTime()}:e instanceof Number?e={$type:"num",$enc:""+e}:e instanceof RegExp&&(e={$type:"regex",$enc:""+e}),e}var objects=[],paths=[],queuedObjects=[],returnCallback=callback,derezObj=derez(object,"$");checkForCompletion()},retrocycle:function retrocycle($){function dataURLToBlob(e){var t,n,o,i=";base64,";if(-1===e.indexOf(i))return n=e.split(","),t=n[0].split(":")[1],o=n[1],new Blob([o],{type:t});n=e.split(i),t=n[0].split(":")[1],o=window.atob(n[1]);for(var r=o.length,a=new Uint8Array(r),s=0;r>s;++s)a[s]=o.charCodeAt(s);return new Blob([a.buffer],{type:t})}function rez(value){var i,item,name,path;if(value&&"object"==typeof value)if("[object Array]"===Object.prototype.toString.apply(value))for(i=0;value.length>i;i+=1)item=value[i],item&&"object"==typeof item&&(path=item.$ref,value[i]="string"==typeof path&&px.test(path)?eval(path):rez(item));else if(void 0!==value.$type)switch(value.$type){case"blob":case"file":value=dataURLToBlob(value.$enc);break;case"bool":value=Boolean("true"===value.$enc);break;case"date":value=new Date(value.$enc);break;case"num":value=Number(value.$enc);break;case"regex":value=eval(value.$enc)}else for(name in value)"object"==typeof value[name]&&(item=value[name],item&&(path=item.$ref,value[name]="string"==typeof path&&px.test(path)?eval(path):rez(item)));return value}var px=/^\$(?:\[(?:\d+|\"(?:[^\\\"\u0000-\u001f]|\\([\\\"\/bfnrt]|u[0-9a-zA-Z]{4}))*\")\])*$/;return rez($),$},encode:function(e,t){function n(e){t(JSON.stringify(e))}this.decycle(e,n)},decode:function(e){return this.retrocycle(JSON.parse(e))}}}();idbModules.Sca=Sca}(idbModules),function(e){var t=["","number","string","boolean","object","undefined"],n=function(){return{encode:function(e){return t.indexOf(typeo