268 lines
7.2 KiB
HTML
268 lines
7.2 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset="utf-8" />
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</head>
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<body>
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<div id="stdout"></div>
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</body>
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<script>
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window.define = function(factory) {
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try{ delete window.define; } catch(e){ window.define = void 0; } // IE
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window.when = factory();
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};
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window.define.amd = {};
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</script>
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<script src='../lib/when.js'></script>
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<script>
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//var when = require('when');
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var indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
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/*
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* ObjectStore
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*/
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function ObjectStore(idbTransaction, name) {
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this.idbObjectStore = idbTransaction.objectStore(name);
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};
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ObjectStore.prototype.add = function add(value, key) {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.add.call(idbObjectStore, value, key);
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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ObjectStore.prototype.clear = function clear() {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.clear();
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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ObjectStore.prototype.count = function count(key) {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.count(key);
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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ObjectStore.prototype.createIndex = function createIndex(name, keyPath, optionalParameters) {
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var idbObjectStore = this.idbObjectStore;
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return idbObjectStore.createIndex.call(idbObjectStore, name, keyPath, optionalParameters);
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};
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ObjectStore.prototype.delete = function delete(key) {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.delete(key);
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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ObjectStore.prototype.deleteIndex = function deleteIndex(name) {
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var idbObjectStore = this.idbObjectStore;
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return idbObjectStore.deleteIndex.call(idbObjectStore, name);
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};
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ObjectStore.prototype.get = function get(key) {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.get(key);
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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ObjectStore.prototype.index = function index(name) {
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var idbObjectStore = this.idbObjectStore;
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return idbObjectStore.index.call(idbObjectStore, name);
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};
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ObjectStore.prototype.openCursor = function openCursor(range, direction) {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.openCursor(range, direction);
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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ObjectStore.prototype.put = function put(value, key) {
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var idbObjectStore = this.idbObjectStore;
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var deferred = when.defer();
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var request = idbObjectStore.put(value, key);
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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/*
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* Transaction
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*/
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function Transaction(idbDatabase, storeNames, mode) {
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this.idbTransaction = idbDatabase.transaction(storeNames, mode);
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};
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Transaction.prototype.objectStore = function objectStore(name) {
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var idbTransaction = this.idbTransaction;
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return new ObjectStore(idbTransaction, name);
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};
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Transaction.prototype.abort = function abort() {
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var idbTransaction = this.idbTransaction;
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return idbTransaction.abort();
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};
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/*
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* Database
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*/
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function Database(idbDatabase) {
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this.idbDatabase = idbDatabase;
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this.name = idbDatabase.name;
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this.version = idbDatabase.version;
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};
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Database.prototype.createObjectStore = function createObjectStore(name, optionalParameters) {
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var idbDatabase = this.idbDatabase;
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return idbDatabase.createObjectStore(name, optionalParameters);
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};
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Database.prototype.deleteObjectStore = function deleteObjectStore(name) {
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var idbDatabase = this.idbDatabase;
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return idbDatabase.deleteObjectStore(name);
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};
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Database.prototype.transaction = function transaction(storeNames, mode) {
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var idbDatabase = this.idbDatabase;
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return new Transaction(idbDatabase, storeNames, mode);
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};
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Database.prototype.close = function close() {
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var idbDatabase = this.idbDatabase;
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return idbDatabase.close();
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};
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Database.prototype.objectStoreNames = function objectStoreNames() {
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var idbDatabase = this.idbDatabase;
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return idbDatabase.objectStoreNames;
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};
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/*
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* Factory
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*/
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function open(name, version) {
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var deferred = when.defer();
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var request = indexedDB.open(name);
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request.onupgradeneeded = function(event) {
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var result = new Database(event.target.result);
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event.target._result = result;
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deferred.notify(event);
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};
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request.onsuccess = function(event) {
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var result = new Database(event.target.result);
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event.target._result = result;
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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function deleteDatabase(name) {
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var deferred = when.defer();
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var request = indexedDB.deleteDatabase(name);
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request.onupgradeneeded = function(event) {
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deferred.notify(event);
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};
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request.onsuccess = function(event) {
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deferred.resolve(event);
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};
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request.onerror = function(event) {
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deferred.reject(event);
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};
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return deferred.promise;
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};
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var db;
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open('test').then(
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function(event) {
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db = event.target._result;
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var transaction = db.transaction(['FILES'], 'readwrite');
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var files = transaction.objectStore('FILES');
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return files.clear();
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},
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function(event) {
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console.error('error:', event);
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},
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function(event) {
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db = event.target._result;
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if(db.objectStoreNames().contains('FILES')) {
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db.deleteObjectStore('FILES');
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}
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var files = db.createObjectStore('FILES');
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}
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).then(
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function(event) {
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var transaction = db.transaction(['FILES'], 'readwrite');
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var files = transaction.objectStore('FILES');
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return files.put('value', 'key');
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}
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).then(
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function(event) {
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var transaction = db.transaction(['FILES'], 'readwrite');
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var files = transaction.objectStore('FILES');
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return files.get('key');
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}
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).then(
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function(event) {
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console.info('result', event.target.result);
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}
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).otherwise(function(event) {
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console.error('error: ', event);
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});
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</script>
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</html>
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