2017-01-27 16:07:14 -07:00
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!function(){"use strict";function toArray(arr){return Array.prototype.slice.call(arr)}function promisifyRequest(request){return new Promise(function(resolve,reject){request.onsuccess=function(){resolve(request.result)},request.onerror=function(){reject(request.error)}})}function promisifyRequestCall(obj,method,args){var request,p=new Promise(function(resolve,reject){request=obj[method].apply(obj,args),promisifyRequest(request).then(resolve,reject)});return p.request=request,p}function promisifyCursorRequestCall(obj,method,args){var p=promisifyRequestCall(obj,method,args);return p.then(function(value){if(value)return new Cursor(value,p.request)})}function proxyProperties(ProxyClass,targetProp,properties){properties.forEach(function(prop){Object.defineProperty(ProxyClass.prototype,prop,{get:function(){return this[targetProp][prop]}})})}function proxyRequestMethods(ProxyClass,targetProp,Constructor,properties){properties.forEach(function(prop){prop in Constructor.prototype&&(ProxyClass.prototype[prop]=function(){return promisifyRequestCall(this[targetProp],prop,arguments)})})}function proxyMethods(ProxyClass,targetProp,Constructor,properties){properties.forEach(function(prop){prop in Constructor.prototype&&(ProxyClass.prototype[prop]=function(){return this[targetProp][prop].apply(this[targetProp],arguments)})})}function proxyCursorRequestMethods(ProxyClass,targetProp,Constructor,properties){properties.forEach(function(prop){prop in Constructor.prototype&&(ProxyClass.prototype[prop]=function(){return promisifyCursorRequestCall(this[targetProp],prop,arguments)})})}function Index(index){this._index=index}function Cursor(cursor,request){this._cursor=cursor,this._request=request}function ObjectStore(store){this._store=store}function Transaction(idbTransaction){this._tx=idbTransaction,this.complete=new Promise(function(resolve,reject){idbTransaction.oncomplete=function(){resolve()},idbTransaction.onerror=function(){reject(idbTransaction.error)},idbTransaction.onabort=function(){reject(idbTransaction.error)}})}function UpgradeDB(db,oldVersion,transaction){this._db=db,this.oldVersion=oldVersion,this.transaction=new Transaction(transaction)}function DB(db){this._db=db}proxyProperties(Index,"_index",["name","keyPath","multiEntry","unique"]),proxyRequestMethods(Index,"_index",IDBIndex,["get","getKey","getAll","getAllKeys","count"]),proxyCursorRequestMethods(Index,"_index",IDBIndex,["openCursor","openKeyCursor"]),proxyProperties(Cursor,"_cursor",["direction","key","primaryKey","value"]),proxyRequestMethods(Cursor,"_cursor",IDBCursor,["update","delete"]),["advance","continue","continuePrimaryKey"].forEach(function(methodName){methodName in IDBCursor.prototype&&(Cursor.prototype[methodName]=function(){var cursor=this,args=arguments;return Promise.resolve().then(function(){return cursor._cursor[methodName].apply(cursor._cursor,args),promisifyRequest(cursor._request).then(function(value){if(value)return new Cursor(value,cursor._request)})})})}),ObjectStore.prototype.createIndex=function(){return new Index(this._store.createIndex.apply(this._store,arguments))},ObjectStore.prototype.index=function(){return new Index(this._store.index.apply(this._store,arguments))},proxyProperties(ObjectStore,"_store",["name","keyPath","indexNames","autoIncrement"]),proxyRequestMethods(ObjectStore,"_store",IDBObjectStore,["put","add","delete","clear","get","getAll","getAllKeys","count"]),proxyCursorRequestMethods(ObjectStore,"_store",IDBObjectStore,["openCursor","openKeyCursor"]),proxyMethods(ObjectStore,"_store",IDBObjectStore,["deleteIndex"]),Transaction.prototype.objectStore=function(){return new ObjectStore(this._tx.objectStore.apply(this._tx,arguments))},proxyProperties(Transaction,"_tx",["objectStoreNames","mode"]),proxyMethods(Transaction,"_tx",IDBTransaction,["abort"]),UpgradeDB.prototype.createObjectStore=function(){return new ObjectStore(this._db.createObjectStore.apply(this._db,arguments))},proxyProperties(UpgradeDB,"_db",["name","version","objectStoreNames"]),proxyMethods(UpgradeDB,"_db",IDBDatabase,["deleteObjectStore","close"]),DB.prototype.tra
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