MediaWiki:Gadget-localforage.js：修订间差异
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"use strict"; | "use strict"; | ||
(function () { | (function () { | ||
| 第2,205行： | 第2,197行： | ||
}).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}); | }).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}); | ||
}()); | }()); | ||
2024年1月2日 (二) 23:29的最新版本
"use strict";
(function () {
var _$localforage_1 = { exports: {} };
(function (global) {
(function () {
(function (f) { if (typeof _$localforage_1.exports === "object" && "object" !== "undefined") {
_$localforage_1.exports = f();
}
else if (typeof define === "function" && define.amd) {
define([], f);
}
else {
var g;
if (typeof window !== "undefined") {
g = window;
}
else if (typeof global !== "undefined") {
g = global;
}
else if (typeof self !== "undefined") {
g = self;
}
else {
g = this;
}
g.localforage = f();
} })(function () {
var define, module, exports;
return (function e(t, n, r) { function s(o, u) { if (!n[o]) {
if (!t[o]) {
var a = "function" == "function" && require;
if (!u && a)
return a(o, !0);
if (i)
return i(o, !0);
var f = new Error("Cannot find module '" + o + "'");
throw (f.code = "MODULE_NOT_FOUND", f);
}
var l = n[o] = { exports: {} };
t[o][0].call(l.exports, function (e) { var n = t[o][1][e]; return s(n ? n : e); }, l, l.exports, e, t, n, r);
} return n[o].exports; } var i = "function" == "function" && require; for (var o = 0; o < r.length; o++)
s(r[o]); return s; })({ 1: [function (_dereq_, module, exports) {
(function (global) {
'use strict';
var Mutation = global.MutationObserver || global.WebKitMutationObserver;
var scheduleDrain;
{
if (Mutation) {
var called = 0;
var observer = new Mutation(nextTick);
var element = global.document.createTextNode('');
observer.observe(element, {
characterData: true
});
scheduleDrain = function () {
element.data = (called = ++called % 2);
};
}
else if (!global.setImmediate && typeof global.MessageChannel !== 'undefined') {
var channel = new global.MessageChannel();
channel.port1.onmessage = nextTick;
scheduleDrain = function () {
channel.port2.postMessage(0);
};
}
else if ('document' in global && 'onreadystatechange' in global.document.createElement('script')) {
scheduleDrain = function () {
var scriptEl = global.document.createElement('script');
scriptEl.onreadystatechange = function () {
nextTick();
scriptEl.onreadystatechange = null;
scriptEl.parentNode.removeChild(scriptEl);
scriptEl = null;
};
global.document.documentElement.appendChild(scriptEl);
};
}
else {
scheduleDrain = function () {
setTimeout(nextTick, 0);
};
}
}
var draining;
var queue = [];
function nextTick() {
draining = true;
var i, oldQueue;
var len = queue.length;
while (len) {
oldQueue = queue;
queue = [];
i = -1;
while (++i < len) {
oldQueue[i]();
}
len = queue.length;
}
draining = false;
}
module.exports = immediate;
function immediate(task) {
if (queue.push(task) === 1 && !draining) {
scheduleDrain();
}
}
}).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {});
}, {}], 2: [function (_dereq_, module, exports) {
'use strict';
var immediate = _dereq_(1);
function INTERNAL() { }
var handlers = {};
var REJECTED = ['REJECTED'];
var FULFILLED = ['FULFILLED'];
var PENDING = ['PENDING'];
module.exports = Promise;
function Promise(resolver) {
if (typeof resolver !== 'function') {
throw new TypeError('resolver must be a function');
}
this.state = PENDING;
this.queue = [];
this.outcome = void 0;
if (resolver !== INTERNAL) {
safelyResolveThenable(this, resolver);
}
}
Promise.prototype["catch"] = function (onRejected) {
return this.then(null, onRejected);
};
Promise.prototype.then = function (onFulfilled, onRejected) {
if (typeof onFulfilled !== 'function' && this.state === FULFILLED ||
typeof onRejected !== 'function' && this.state === REJECTED) {
return this;
}
var promise = new this.constructor(INTERNAL);
if (this.state !== PENDING) {
var resolver = this.state === FULFILLED ? onFulfilled : onRejected;
unwrap(promise, resolver, this.outcome);
}
else {
this.queue.push(new QueueItem(promise, onFulfilled, onRejected));
}
return promise;
};
function QueueItem(promise, onFulfilled, onRejected) {
this.promise = promise;
if (typeof onFulfilled === 'function') {
this.onFulfilled = onFulfilled;
this.callFulfilled = this.otherCallFulfilled;
}
if (typeof onRejected === 'function') {
this.onRejected = onRejected;
this.callRejected = this.otherCallRejected;
}
}
QueueItem.prototype.callFulfilled = function (value) {
handlers.resolve(this.promise, value);
};
QueueItem.prototype.otherCallFulfilled = function (value) {
unwrap(this.promise, this.onFulfilled, value);
};
QueueItem.prototype.callRejected = function (value) {
handlers.reject(this.promise, value);
};
QueueItem.prototype.otherCallRejected = function (value) {
unwrap(this.promise, this.onRejected, value);
};
function unwrap(promise, func, value) {
immediate(function () {
var returnValue;
try {
returnValue = func(value);
}
catch (e) {
return handlers.reject(promise, e);
}
if (returnValue === promise) {
handlers.reject(promise, new TypeError('Cannot resolve promise with itself'));
}
else {
handlers.resolve(promise, returnValue);
}
});
}
handlers.resolve = function (self, value) {
var result = tryCatch(getThen, value);
if (result.status === 'error') {
return handlers.reject(self, result.value);
}
var thenable = result.value;
if (thenable) {
safelyResolveThenable(self, thenable);
}
else {
self.state = FULFILLED;
self.outcome = value;
var i = -1;
var len = self.queue.length;
while (++i < len) {
self.queue[i].callFulfilled(value);
}
}
return self;
};
handlers.reject = function (self, error) {
self.state = REJECTED;
self.outcome = error;
var i = -1;
var len = self.queue.length;
while (++i < len) {
self.queue[i].callRejected(error);
}
return self;
};
function getThen(obj) {
var then = obj && obj.then;
if (obj && (typeof obj === 'object' || typeof obj === 'function') && typeof then === 'function') {
return function appyThen() {
then.apply(obj, arguments);
};
}
}
function safelyResolveThenable(self, thenable) {
var called = false;
function onError(value) {
if (called) {
return;
}
called = true;
handlers.reject(self, value);
}
function onSuccess(value) {
if (called) {
return;
}
called = true;
handlers.resolve(self, value);
}
function tryToUnwrap() {
thenable(onSuccess, onError);
}
var result = tryCatch(tryToUnwrap);
if (result.status === 'error') {
onError(result.value);
}
}
function tryCatch(func, value) {
var out = {};
try {
out.value = func(value);
out.status = 'success';
}
catch (e) {
out.status = 'error';
out.value = e;
}
return out;
}
Promise.resolve = resolve;
function resolve(value) {
if (value instanceof this) {
return value;
}
return handlers.resolve(new this(INTERNAL), value);
}
Promise.reject = reject;
function reject(reason) {
var promise = new this(INTERNAL);
return handlers.reject(promise, reason);
}
Promise.all = all;
function all(iterable) {
var self = this;
if (Object.prototype.toString.call(iterable) !== '[object Array]') {
return this.reject(new TypeError('must be an array'));
}
var len = iterable.length;
var called = false;
if (!len) {
return this.resolve([]);
}
var values = new Array(len);
var resolved = 0;
var i = -1;
var promise = new this(INTERNAL);
while (++i < len) {
allResolver(iterable[i], i);
}
return promise;
function allResolver(value, i) {
self.resolve(value).then(resolveFromAll, function (error) {
if (!called) {
called = true;
handlers.reject(promise, error);
}
});
function resolveFromAll(outValue) {
values[i] = outValue;
if (++resolved === len && !called) {
called = true;
handlers.resolve(promise, values);
}
}
}
}
Promise.race = race;
function race(iterable) {
var self = this;
if (Object.prototype.toString.call(iterable) !== '[object Array]') {
return this.reject(new TypeError('must be an array'));
}
var len = iterable.length;
var called = false;
if (!len) {
return this.resolve([]);
}
var i = -1;
var promise = new this(INTERNAL);
while (++i < len) {
resolver(iterable[i]);
}
return promise;
function resolver(value) {
self.resolve(value).then(function (response) {
if (!called) {
called = true;
handlers.resolve(promise, response);
}
}, function (error) {
if (!called) {
called = true;
handlers.reject(promise, error);
}
});
}
}
}, { "1": 1 }], 3: [function (_dereq_, module, exports) {
(function (global) {
'use strict';
if (typeof global.Promise !== 'function') {
global.Promise = _dereq_(2);
}
}).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {});
}, { "2": 2 }], 4: [function (_dereq_, module, exports) {
'use strict';
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
} }
function getIDB() {
try {
if (typeof indexedDB !== 'undefined') {
return indexedDB;
}
if (typeof webkitIndexedDB !== 'undefined') {
return webkitIndexedDB;
}
if (typeof mozIndexedDB !== 'undefined') {
return mozIndexedDB;
}
if (typeof OIndexedDB !== 'undefined') {
return OIndexedDB;
}
if (typeof msIndexedDB !== 'undefined') {
return msIndexedDB;
}
}
catch (e) {
return;
}
}
var idb = getIDB();
function isIndexedDBValid() {
try {
if (!idb || !idb.open) {
return false;
}
var isSafari = typeof openDatabase !== 'undefined' && /(Safari|iPhone|iPad|iPod)/.test(navigator.userAgent) && !/Chrome/.test(navigator.userAgent) && !/BlackBerry/.test(navigator.platform);
var hasFetch = typeof fetch === 'function' && fetch.toString().indexOf('[native code') !== -1;
return (!isSafari || hasFetch) && typeof indexedDB !== 'undefined' &&
typeof IDBKeyRange !== 'undefined';
}
catch (e) {
return false;
}
}
function createBlob(parts, properties) {
parts = parts || [];
properties = properties || {};
try {
return new Blob(parts, properties);
}
catch (e) {
if (e.name !== 'TypeError') {
throw e;
}
var Builder = typeof BlobBuilder !== 'undefined' ? BlobBuilder : typeof MSBlobBuilder !== 'undefined' ? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined' ? MozBlobBuilder : WebKitBlobBuilder;
var builder = new Builder();
for (var i = 0; i < parts.length; i += 1) {
builder.append(parts[i]);
}
return builder.getBlob(properties.type);
}
}
if (typeof Promise === 'undefined') {
_dereq_(3);
}
var Promise$1 = Promise;
function executeCallback(promise, callback) {
if (callback) {
promise.then(function (result) {
callback(null, result);
}, function (error) {
callback(error);
});
}
}
function executeTwoCallbacks(promise, callback, errorCallback) {
if (typeof callback === 'function') {
promise.then(callback);
}
if (typeof errorCallback === 'function') {
promise["catch"](errorCallback);
}
}
function normalizeKey(key) {
if (typeof key !== 'string') {
console.warn(key + ' used as a key, but it is not a string.');
key = String(key);
}
return key;
}
function getCallback() {
if (arguments.length && typeof arguments[arguments.length - 1] === 'function') {
return arguments[arguments.length - 1];
}
}
var DETECT_BLOB_SUPPORT_STORE = 'local-forage-detect-blob-support';
var supportsBlobs = void 0;
var dbContexts = {};
var toString = Object.prototype.toString;
var READ_ONLY = 'readonly';
var READ_WRITE = 'readwrite';
function _binStringToArrayBuffer(bin) {
var length = bin.length;
var buf = new ArrayBuffer(length);
var arr = new Uint8Array(buf);
for (var i = 0; i < length; i++) {
arr[i] = bin.charCodeAt(i);
}
return buf;
}
function _checkBlobSupportWithoutCaching(idb) {
return new Promise$1(function (resolve) {
var txn = idb.transaction(DETECT_BLOB_SUPPORT_STORE, READ_WRITE);
var blob = createBlob(['']);
txn.objectStore(DETECT_BLOB_SUPPORT_STORE).put(blob, 'key');
txn.onabort = function (e) {
e.preventDefault();
e.stopPropagation();
resolve(false);
};
txn.oncomplete = function () {
var matchedChrome = navigator.userAgent.match(/Chrome\/(\d+)/);
var matchedEdge = navigator.userAgent.match(/Edge\//);
resolve(matchedEdge || !matchedChrome || parseInt(matchedChrome[1], 10) >= 43);
};
})["catch"](function () {
return false;
});
}
function _checkBlobSupport(idb) {
if (typeof supportsBlobs === 'boolean') {
return Promise$1.resolve(supportsBlobs);
}
return _checkBlobSupportWithoutCaching(idb).then(function (value) {
supportsBlobs = value;
return supportsBlobs;
});
}
function _deferReadiness(dbInfo) {
var dbContext = dbContexts[dbInfo.name];
var deferredOperation = {};
deferredOperation.promise = new Promise$1(function (resolve, reject) {
deferredOperation.resolve = resolve;
deferredOperation.reject = reject;
});
dbContext.deferredOperations.push(deferredOperation);
if (!dbContext.dbReady) {
dbContext.dbReady = deferredOperation.promise;
}
else {
dbContext.dbReady = dbContext.dbReady.then(function () {
return deferredOperation.promise;
});
}
}
function _advanceReadiness(dbInfo) {
var dbContext = dbContexts[dbInfo.name];
var deferredOperation = dbContext.deferredOperations.pop();
if (deferredOperation) {
deferredOperation.resolve();
return deferredOperation.promise;
}
}
function _rejectReadiness(dbInfo, err) {
var dbContext = dbContexts[dbInfo.name];
var deferredOperation = dbContext.deferredOperations.pop();
if (deferredOperation) {
deferredOperation.reject(err);
return deferredOperation.promise;
}
}
function _getConnection(dbInfo, upgradeNeeded) {
return new Promise$1(function (resolve, reject) {
dbContexts[dbInfo.name] = dbContexts[dbInfo.name] || createDbContext();
if (dbInfo.db) {
if (upgradeNeeded) {
_deferReadiness(dbInfo);
dbInfo.db.close();
}
else {
return resolve(dbInfo.db);
}
}
var dbArgs = [dbInfo.name];
if (upgradeNeeded) {
dbArgs.push(dbInfo.version);
}
var openreq = idb.open.apply(idb, dbArgs);
if (upgradeNeeded) {
openreq.onupgradeneeded = function (e) {
var db = openreq.result;
try {
db.createObjectStore(dbInfo.storeName);
if (e.oldVersion <= 1) {
db.createObjectStore(DETECT_BLOB_SUPPORT_STORE);
}
}
catch (ex) {
if (ex.name === 'ConstraintError') {
console.warn('The database "' + dbInfo.name + '"' + ' has been upgraded from version ' + e.oldVersion + ' to version ' + e.newVersion + ', but the storage "' + dbInfo.storeName + '" already exists.');
}
else {
throw ex;
}
}
};
}
openreq.onerror = function (e) {
e.preventDefault();
reject(openreq.error);
};
openreq.onsuccess = function () {
var db = openreq.result;
db.onversionchange = function (e) {
e.target.close();
};
resolve(db);
_advanceReadiness(dbInfo);
};
});
}
function _getOriginalConnection(dbInfo) {
return _getConnection(dbInfo, false);
}
function _getUpgradedConnection(dbInfo) {
return _getConnection(dbInfo, true);
}
function _isUpgradeNeeded(dbInfo, defaultVersion) {
if (!dbInfo.db) {
return true;
}
var isNewStore = !dbInfo.db.objectStoreNames.contains(dbInfo.storeName);
var isDowngrade = dbInfo.version < dbInfo.db.version;
var isUpgrade = dbInfo.version > dbInfo.db.version;
if (isDowngrade) {
if (dbInfo.version !== defaultVersion) {
console.warn('The database "' + dbInfo.name + '"' + " can't be downgraded from version " + dbInfo.db.version + ' to version ' + dbInfo.version + '.');
}
dbInfo.version = dbInfo.db.version;
}
if (isUpgrade || isNewStore) {
if (isNewStore) {
var incVersion = dbInfo.db.version + 1;
if (incVersion > dbInfo.version) {
dbInfo.version = incVersion;
}
}
return true;
}
return false;
}
function _encodeBlob(blob) {
return new Promise$1(function (resolve, reject) {
var reader = new FileReader();
reader.onerror = reject;
reader.onloadend = function (e) {
var base64 = btoa(e.target.result || '');
resolve({
__local_forage_encoded_blob: true,
data: base64,
type: blob.type
});
};
reader.readAsBinaryString(blob);
});
}
function _decodeBlob(encodedBlob) {
var arrayBuff = _binStringToArrayBuffer(atob(encodedBlob.data));
return createBlob([arrayBuff], { type: encodedBlob.type });
}
function _isEncodedBlob(value) {
return value && value.__local_forage_encoded_blob;
}
function _fullyReady(callback) {
var self = this;
var promise = self._initReady().then(function () {
var dbContext = dbContexts[self._dbInfo.name];
if (dbContext && dbContext.dbReady) {
return dbContext.dbReady;
}
});
executeTwoCallbacks(promise, callback, callback);
return promise;
}
function _tryReconnect(dbInfo) {
_deferReadiness(dbInfo);
var dbContext = dbContexts[dbInfo.name];
var forages = dbContext.forages;
for (var i = 0; i < forages.length; i++) {
var forage = forages[i];
if (forage._dbInfo.db) {
forage._dbInfo.db.close();
forage._dbInfo.db = null;
}
}
dbInfo.db = null;
return _getOriginalConnection(dbInfo).then(function (db) {
dbInfo.db = db;
if (_isUpgradeNeeded(dbInfo)) {
return _getUpgradedConnection(dbInfo);
}
return db;
}).then(function (db) {
dbInfo.db = dbContext.db = db;
for (var i = 0; i < forages.length; i++) {
forages[i]._dbInfo.db = db;
}
})["catch"](function (err) {
_rejectReadiness(dbInfo, err);
throw err;
});
}
function createTransaction(dbInfo, mode, callback, retries) {
if (retries === undefined) {
retries = 1;
}
try {
var tx = dbInfo.db.transaction(dbInfo.storeName, mode);
callback(null, tx);
}
catch (err) {
if (retries > 0 && (!dbInfo.db || err.name === 'InvalidStateError' || err.name === 'NotFoundError')) {
return Promise$1.resolve().then(function () {
if (!dbInfo.db || err.name === 'NotFoundError' && !dbInfo.db.objectStoreNames.contains(dbInfo.storeName) && dbInfo.version <= dbInfo.db.version) {
if (dbInfo.db) {
dbInfo.version = dbInfo.db.version + 1;
}
return _getUpgradedConnection(dbInfo);
}
}).then(function () {
return _tryReconnect(dbInfo).then(function () {
createTransaction(dbInfo, mode, callback, retries - 1);
});
})["catch"](callback);
}
callback(err);
}
}
function createDbContext() {
return {
forages: [],
db: null,
dbReady: null,
deferredOperations: []
};
}
function _initStorage(options) {
var self = this;
var dbInfo = {
db: null
};
if (options) {
for (var i in options) {
dbInfo[i] = options[i];
}
}
var dbContext = dbContexts[dbInfo.name];
if (!dbContext) {
dbContext = createDbContext();
dbContexts[dbInfo.name] = dbContext;
}
dbContext.forages.push(self);
if (!self._initReady) {
self._initReady = self.ready;
self.ready = _fullyReady;
}
var initPromises = [];
function ignoreErrors() {
return Promise$1.resolve();
}
for (var j = 0; j < dbContext.forages.length; j++) {
var forage = dbContext.forages[j];
if (forage !== self) {
initPromises.push(forage._initReady()["catch"](ignoreErrors));
}
}
var forages = dbContext.forages.slice(0);
return Promise$1.all(initPromises).then(function () {
dbInfo.db = dbContext.db;
return _getOriginalConnection(dbInfo);
}).then(function (db) {
dbInfo.db = db;
if (_isUpgradeNeeded(dbInfo, self._defaultConfig.version)) {
return _getUpgradedConnection(dbInfo);
}
return db;
}).then(function (db) {
dbInfo.db = dbContext.db = db;
self._dbInfo = dbInfo;
for (var k = 0; k < forages.length; k++) {
var forage = forages[k];
if (forage !== self) {
forage._dbInfo.db = dbInfo.db;
forage._dbInfo.version = dbInfo.version;
}
}
});
}
function getItem(key, callback) {
var self = this;
key = normalizeKey(key);
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
createTransaction(self._dbInfo, READ_ONLY, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var req = store.get(key);
req.onsuccess = function () {
var value = req.result;
if (value === undefined) {
value = null;
}
if (_isEncodedBlob(value)) {
value = _decodeBlob(value);
}
resolve(value);
};
req.onerror = function () {
reject(req.error);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function iterate(iterator, callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
createTransaction(self._dbInfo, READ_ONLY, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var req = store.openCursor();
var iterationNumber = 1;
req.onsuccess = function () {
var cursor = req.result;
if (cursor) {
var value = cursor.value;
if (_isEncodedBlob(value)) {
value = _decodeBlob(value);
}
var result = iterator(value, cursor.key, iterationNumber++);
if (result !== void 0) {
resolve(result);
}
else {
cursor["continue"]();
}
}
else {
resolve();
}
};
req.onerror = function () {
reject(req.error);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function setItem(key, value, callback) {
var self = this;
key = normalizeKey(key);
var promise = new Promise$1(function (resolve, reject) {
var dbInfo;
self.ready().then(function () {
dbInfo = self._dbInfo;
if (toString.call(value) === '[object Blob]') {
return _checkBlobSupport(dbInfo.db).then(function (blobSupport) {
if (blobSupport) {
return value;
}
return _encodeBlob(value);
});
}
return value;
}).then(function (value) {
createTransaction(self._dbInfo, READ_WRITE, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
if (value === null) {
value = undefined;
}
var req = store.put(value, key);
transaction.oncomplete = function () {
if (value === undefined) {
value = null;
}
resolve(value);
};
transaction.onabort = transaction.onerror = function () {
var err = req.error ? req.error : req.transaction.error;
reject(err);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function removeItem(key, callback) {
var self = this;
key = normalizeKey(key);
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
createTransaction(self._dbInfo, READ_WRITE, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var req = store["delete"](key);
transaction.oncomplete = function () {
resolve();
};
transaction.onerror = function () {
reject(req.error);
};
transaction.onabort = function () {
var err = req.error ? req.error : req.transaction.error;
reject(err);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function clear(callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
createTransaction(self._dbInfo, READ_WRITE, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var req = store.clear();
transaction.oncomplete = function () {
resolve();
};
transaction.onabort = transaction.onerror = function () {
var err = req.error ? req.error : req.transaction.error;
reject(err);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function length(callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
createTransaction(self._dbInfo, READ_ONLY, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var req = store.count();
req.onsuccess = function () {
resolve(req.result);
};
req.onerror = function () {
reject(req.error);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function key(n, callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
if (n < 0) {
resolve(null);
return;
}
self.ready().then(function () {
createTransaction(self._dbInfo, READ_ONLY, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var advanced = false;
var req = store.openKeyCursor();
req.onsuccess = function () {
var cursor = req.result;
if (!cursor) {
resolve(null);
return;
}
if (n === 0) {
resolve(cursor.key);
}
else {
if (!advanced) {
advanced = true;
cursor.advance(n);
}
else {
resolve(cursor.key);
}
}
};
req.onerror = function () {
reject(req.error);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function keys(callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
createTransaction(self._dbInfo, READ_ONLY, function (err, transaction) {
if (err) {
return reject(err);
}
try {
var store = transaction.objectStore(self._dbInfo.storeName);
var req = store.openKeyCursor();
var keys = [];
req.onsuccess = function () {
var cursor = req.result;
if (!cursor) {
resolve(keys);
return;
}
keys.push(cursor.key);
cursor["continue"]();
};
req.onerror = function () {
reject(req.error);
};
}
catch (e) {
reject(e);
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function dropInstance(options, callback) {
callback = getCallback.apply(this, arguments);
var currentConfig = this.config();
options = typeof options !== 'function' && options || {};
if (!options.name) {
options.name = options.name || currentConfig.name;
options.storeName = options.storeName || currentConfig.storeName;
}
var self = this;
var promise;
if (!options.name) {
promise = Promise$1.reject('Invalid arguments');
}
else {
var isCurrentDb = options.name === currentConfig.name && self._dbInfo.db;
var dbPromise = isCurrentDb ? Promise$1.resolve(self._dbInfo.db) : _getOriginalConnection(options).then(function (db) {
var dbContext = dbContexts[options.name];
var forages = dbContext.forages;
dbContext.db = db;
for (var i = 0; i < forages.length; i++) {
forages[i]._dbInfo.db = db;
}
return db;
});
if (!options.storeName) {
promise = dbPromise.then(function (db) {
_deferReadiness(options);
var dbContext = dbContexts[options.name];
var forages = dbContext.forages;
db.close();
for (var i = 0; i < forages.length; i++) {
var forage = forages[i];
forage._dbInfo.db = null;
}
var dropDBPromise = new Promise$1(function (resolve, reject) {
var req = idb.deleteDatabase(options.name);
req.onerror = function () {
var db = req.result;
if (db) {
db.close();
}
reject(req.error);
};
req.onblocked = function () {
console.warn('dropInstance blocked for database "' + options.name + '" until all open connections are closed');
};
req.onsuccess = function () {
var db = req.result;
if (db) {
db.close();
}
resolve(db);
};
});
return dropDBPromise.then(function (db) {
dbContext.db = db;
for (var i = 0; i < forages.length; i++) {
var _forage = forages[i];
_advanceReadiness(_forage._dbInfo);
}
})["catch"](function (err) {
(_rejectReadiness(options, err) || Promise$1.resolve())["catch"](function () { });
throw err;
});
});
}
else {
promise = dbPromise.then(function (db) {
if (!db.objectStoreNames.contains(options.storeName)) {
return;
}
var newVersion = db.version + 1;
_deferReadiness(options);
var dbContext = dbContexts[options.name];
var forages = dbContext.forages;
db.close();
for (var i = 0; i < forages.length; i++) {
var forage = forages[i];
forage._dbInfo.db = null;
forage._dbInfo.version = newVersion;
}
var dropObjectPromise = new Promise$1(function (resolve, reject) {
var req = idb.open(options.name, newVersion);
req.onerror = function (err) {
var db = req.result;
db.close();
reject(err);
};
req.onupgradeneeded = function () {
var db = req.result;
db.deleteObjectStore(options.storeName);
};
req.onsuccess = function () {
var db = req.result;
db.close();
resolve(db);
};
});
return dropObjectPromise.then(function (db) {
dbContext.db = db;
for (var j = 0; j < forages.length; j++) {
var _forage2 = forages[j];
_forage2._dbInfo.db = db;
_advanceReadiness(_forage2._dbInfo);
}
})["catch"](function (err) {
(_rejectReadiness(options, err) || Promise$1.resolve())["catch"](function () { });
throw err;
});
});
}
}
executeCallback(promise, callback);
return promise;
}
var asyncStorage = {
_driver: 'asyncStorage',
_initStorage: _initStorage,
_support: isIndexedDBValid(),
iterate: iterate,
getItem: getItem,
setItem: setItem,
removeItem: removeItem,
clear: clear,
length: length,
key: key,
keys: keys,
dropInstance: dropInstance
};
function isWebSQLValid() {
return typeof openDatabase === 'function';
}
var BASE_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
var BLOB_TYPE_PREFIX = '~~local_forage_type~';
var BLOB_TYPE_PREFIX_REGEX = /^~~local_forage_type~([^~]+)~/;
var SERIALIZED_MARKER = '__lfsc__:';
var SERIALIZED_MARKER_LENGTH = SERIALIZED_MARKER.length;
var TYPE_ARRAYBUFFER = 'arbf';
var TYPE_BLOB = 'blob';
var TYPE_INT8ARRAY = 'si08';
var TYPE_UINT8ARRAY = 'ui08';
var TYPE_UINT8CLAMPEDARRAY = 'uic8';
var TYPE_INT16ARRAY = 'si16';
var TYPE_INT32ARRAY = 'si32';
var TYPE_UINT16ARRAY = 'ur16';
var TYPE_UINT32ARRAY = 'ui32';
var TYPE_FLOAT32ARRAY = 'fl32';
var TYPE_FLOAT64ARRAY = 'fl64';
var TYPE_SERIALIZED_MARKER_LENGTH = SERIALIZED_MARKER_LENGTH + TYPE_ARRAYBUFFER.length;
var toString$1 = Object.prototype.toString;
function stringToBuffer(serializedString) {
var bufferLength = serializedString.length * 0.75;
var len = serializedString.length;
var i;
var p = 0;
var encoded1, encoded2, encoded3, encoded4;
if (serializedString[serializedString.length - 1] === '=') {
bufferLength--;
if (serializedString[serializedString.length - 2] === '=') {
bufferLength--;
}
}
var buffer = new ArrayBuffer(bufferLength);
var bytes = new Uint8Array(buffer);
for (i = 0; i < len; i += 4) {
encoded1 = BASE_CHARS.indexOf(serializedString[i]);
encoded2 = BASE_CHARS.indexOf(serializedString[i + 1]);
encoded3 = BASE_CHARS.indexOf(serializedString[i + 2]);
encoded4 = BASE_CHARS.indexOf(serializedString[i + 3]);
bytes[p++] = encoded1 << 2 | encoded2 >> 4;
bytes[p++] = (encoded2 & 15) << 4 | encoded3 >> 2;
bytes[p++] = (encoded3 & 3) << 6 | encoded4 & 63;
}
return buffer;
}
function bufferToString(buffer) {
var bytes = new Uint8Array(buffer);
var base64String = '';
var i;
for (i = 0; i < bytes.length; i += 3) {
base64String += BASE_CHARS[bytes[i] >> 2];
base64String += BASE_CHARS[(bytes[i] & 3) << 4 | bytes[i + 1] >> 4];
base64String += BASE_CHARS[(bytes[i + 1] & 15) << 2 | bytes[i + 2] >> 6];
base64String += BASE_CHARS[bytes[i + 2] & 63];
}
if (bytes.length % 3 === 2) {
base64String = base64String.substring(0, base64String.length - 1) + '=';
}
else if (bytes.length % 3 === 1) {
base64String = base64String.substring(0, base64String.length - 2) + '==';
}
return base64String;
}
function serialize(value, callback) {
var valueType = '';
if (value) {
valueType = toString$1.call(value);
}
if (value && (valueType === '[object ArrayBuffer]' || value.buffer && toString$1.call(value.buffer) === '[object ArrayBuffer]')) {
var buffer;
var marker = SERIALIZED_MARKER;
if (value instanceof ArrayBuffer) {
buffer = value;
marker += TYPE_ARRAYBUFFER;
}
else {
buffer = value.buffer;
if (valueType === '[object Int8Array]') {
marker += TYPE_INT8ARRAY;
}
else if (valueType === '[object Uint8Array]') {
marker += TYPE_UINT8ARRAY;
}
else if (valueType === '[object Uint8ClampedArray]') {
marker += TYPE_UINT8CLAMPEDARRAY;
}
else if (valueType === '[object Int16Array]') {
marker += TYPE_INT16ARRAY;
}
else if (valueType === '[object Uint16Array]') {
marker += TYPE_UINT16ARRAY;
}
else if (valueType === '[object Int32Array]') {
marker += TYPE_INT32ARRAY;
}
else if (valueType === '[object Uint32Array]') {
marker += TYPE_UINT32ARRAY;
}
else if (valueType === '[object Float32Array]') {
marker += TYPE_FLOAT32ARRAY;
}
else if (valueType === '[object Float64Array]') {
marker += TYPE_FLOAT64ARRAY;
}
else {
callback(new Error('Failed to get type for BinaryArray'));
}
}
callback(marker + bufferToString(buffer));
}
else if (valueType === '[object Blob]') {
var fileReader = new FileReader();
fileReader.onload = function () {
var str = BLOB_TYPE_PREFIX + value.type + '~' + bufferToString(this.result);
callback(SERIALIZED_MARKER + TYPE_BLOB + str);
};
fileReader.readAsArrayBuffer(value);
}
else {
try {
callback(JSON.stringify(value));
}
catch (e) {
console.error("Couldn't convert value into a JSON string: ", value);
callback(null, e);
}
}
}
function deserialize(value) {
if (value.substring(0, SERIALIZED_MARKER_LENGTH) !== SERIALIZED_MARKER) {
return JSON.parse(value);
}
var serializedString = value.substring(TYPE_SERIALIZED_MARKER_LENGTH);
var type = value.substring(SERIALIZED_MARKER_LENGTH, TYPE_SERIALIZED_MARKER_LENGTH);
var blobType;
if (type === TYPE_BLOB && BLOB_TYPE_PREFIX_REGEX.test(serializedString)) {
var matcher = serializedString.match(BLOB_TYPE_PREFIX_REGEX);
blobType = matcher[1];
serializedString = serializedString.substring(matcher[0].length);
}
var buffer = stringToBuffer(serializedString);
switch (type) {
case TYPE_ARRAYBUFFER:
return buffer;
case TYPE_BLOB:
return createBlob([buffer], { type: blobType });
case TYPE_INT8ARRAY:
return new Int8Array(buffer);
case TYPE_UINT8ARRAY:
return new Uint8Array(buffer);
case TYPE_UINT8CLAMPEDARRAY:
return new Uint8ClampedArray(buffer);
case TYPE_INT16ARRAY:
return new Int16Array(buffer);
case TYPE_UINT16ARRAY:
return new Uint16Array(buffer);
case TYPE_INT32ARRAY:
return new Int32Array(buffer);
case TYPE_UINT32ARRAY:
return new Uint32Array(buffer);
case TYPE_FLOAT32ARRAY:
return new Float32Array(buffer);
case TYPE_FLOAT64ARRAY:
return new Float64Array(buffer);
default:
throw new Error('Unkown type: ' + type);
}
}
var localforageSerializer = {
serialize: serialize,
deserialize: deserialize,
stringToBuffer: stringToBuffer,
bufferToString: bufferToString
};
function createDbTable(t, dbInfo, callback, errorCallback) {
t.executeSql('CREATE TABLE IF NOT EXISTS ' + dbInfo.storeName + ' ' + '(id INTEGER PRIMARY KEY, key unique, value)', [], callback, errorCallback);
}
function _initStorage$1(options) {
var self = this;
var dbInfo = {
db: null
};
if (options) {
for (var i in options) {
dbInfo[i] = typeof options[i] !== 'string' ? options[i].toString() : options[i];
}
}
var dbInfoPromise = new Promise$1(function (resolve, reject) {
try {
dbInfo.db = openDatabase(dbInfo.name, String(dbInfo.version), dbInfo.description, dbInfo.size);
}
catch (e) {
return reject(e);
}
dbInfo.db.transaction(function (t) {
createDbTable(t, dbInfo, function () {
self._dbInfo = dbInfo;
resolve();
}, function (t, error) {
reject(error);
});
}, reject);
});
dbInfo.serializer = localforageSerializer;
return dbInfoPromise;
}
function tryExecuteSql(t, dbInfo, sqlStatement, args, callback, errorCallback) {
t.executeSql(sqlStatement, args, callback, function (t, error) {
if (error.code === error.SYNTAX_ERR) {
t.executeSql('SELECT name FROM sqlite_master ' + "WHERE type='table' AND name = ?", [dbInfo.storeName], function (t, results) {
if (!results.rows.length) {
createDbTable(t, dbInfo, function () {
t.executeSql(sqlStatement, args, callback, errorCallback);
}, errorCallback);
}
else {
errorCallback(t, error);
}
}, errorCallback);
}
else {
errorCallback(t, error);
}
}, errorCallback);
}
function getItem$1(key, callback) {
var self = this;
key = normalizeKey(key);
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'SELECT * FROM ' + dbInfo.storeName + ' WHERE key = ? LIMIT 1', [key], function (t, results) {
var result = results.rows.length ? results.rows.item(0).value : null;
if (result) {
result = dbInfo.serializer.deserialize(result);
}
resolve(result);
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function iterate$1(iterator, callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'SELECT * FROM ' + dbInfo.storeName, [], function (t, results) {
var rows = results.rows;
var length = rows.length;
for (var i = 0; i < length; i++) {
var item = rows.item(i);
var result = item.value;
if (result) {
result = dbInfo.serializer.deserialize(result);
}
result = iterator(result, item.key, i + 1);
if (result !== void 0) {
resolve(result);
return;
}
}
resolve();
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function _setItem(key, value, callback, retriesLeft) {
var self = this;
key = normalizeKey(key);
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
if (value === undefined) {
value = null;
}
var originalValue = value;
var dbInfo = self._dbInfo;
dbInfo.serializer.serialize(value, function (value, error) {
if (error) {
reject(error);
}
else {
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'INSERT OR REPLACE INTO ' + dbInfo.storeName + ' ' + '(key, value) VALUES (?, ?)', [key, value], function () {
resolve(originalValue);
}, function (t, error) {
reject(error);
});
}, function (sqlError) {
if (sqlError.code === sqlError.QUOTA_ERR) {
if (retriesLeft > 0) {
resolve(_setItem.apply(self, [key, originalValue, callback, retriesLeft - 1]));
return;
}
reject(sqlError);
}
});
}
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function setItem$1(key, value, callback) {
return _setItem.apply(this, [key, value, callback, 1]);
}
function removeItem$1(key, callback) {
var self = this;
key = normalizeKey(key);
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'DELETE FROM ' + dbInfo.storeName + ' WHERE key = ?', [key], function () {
resolve();
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function clear$1(callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'DELETE FROM ' + dbInfo.storeName, [], function () {
resolve();
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function length$1(callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'SELECT COUNT(key) as c FROM ' + dbInfo.storeName, [], function (t, results) {
var result = results.rows.item(0).c;
resolve(result);
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function key$1(n, callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'SELECT key FROM ' + dbInfo.storeName + ' WHERE id = ? LIMIT 1', [n + 1], function (t, results) {
var result = results.rows.length ? results.rows.item(0).key : null;
resolve(result);
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function keys$1(callback) {
var self = this;
var promise = new Promise$1(function (resolve, reject) {
self.ready().then(function () {
var dbInfo = self._dbInfo;
dbInfo.db.transaction(function (t) {
tryExecuteSql(t, dbInfo, 'SELECT key FROM ' + dbInfo.storeName, [], function (t, results) {
var keys = [];
for (var i = 0; i < results.rows.length; i++) {
keys.push(results.rows.item(i).key);
}
resolve(keys);
}, function (t, error) {
reject(error);
});
});
})["catch"](reject);
});
executeCallback(promise, callback);
return promise;
}
function getAllStoreNames(db) {
return new Promise$1(function (resolve, reject) {
db.transaction(function (t) {
t.executeSql('SELECT name FROM sqlite_master ' + "WHERE type='table' AND name <> '__WebKitDatabaseInfoTable__'", [], function (t, results) {
var storeNames = [];
for (var i = 0; i < results.rows.length; i++) {
storeNames.push(results.rows.item(i).name);
}
resolve({
db: db,
storeNames: storeNames
});
}, function (t, error) {
reject(error);
});
}, function (sqlError) {
reject(sqlError);
});
});
}
function dropInstance$1(options, callback) {
callback = getCallback.apply(this, arguments);
var currentConfig = this.config();
options = typeof options !== 'function' && options || {};
if (!options.name) {
options.name = options.name || currentConfig.name;
options.storeName = options.storeName || currentConfig.storeName;
}
var self = this;
var promise;
if (!options.name) {
promise = Promise$1.reject('Invalid arguments');
}
else {
promise = new Promise$1(function (resolve) {
var db;
if (options.name === currentConfig.name) {
db = self._dbInfo.db;
}
else {
db = openDatabase(options.name, '', '', 0);
}
if (!options.storeName) {
resolve(getAllStoreNames(db));
}
else {
resolve({
db: db,
storeNames: [options.storeName]
});
}
}).then(function (operationInfo) {
return new Promise$1(function (resolve, reject) {
operationInfo.db.transaction(function (t) {
function dropTable(storeName) {
return new Promise$1(function (resolve, reject) {
t.executeSql('DROP TABLE IF EXISTS ' + storeName, [], function () {
resolve();
}, function (t, error) {
reject(error);
});
});
}
var operations = [];
for (var i = 0, len = operationInfo.storeNames.length; i < len; i++) {
operations.push(dropTable(operationInfo.storeNames[i]));
}
Promise$1.all(operations).then(function () {
resolve();
})["catch"](function (e) {
reject(e);
});
}, function (sqlError) {
reject(sqlError);
});
});
});
}
executeCallback(promise, callback);
return promise;
}
var webSQLStorage = {
_driver: 'webSQLStorage',
_initStorage: _initStorage$1,
_support: isWebSQLValid(),
iterate: iterate$1,
getItem: getItem$1,
setItem: setItem$1,
removeItem: removeItem$1,
clear: clear$1,
length: length$1,
key: key$1,
keys: keys$1,
dropInstance: dropInstance$1
};
function isLocalStorageValid() {
try {
return typeof localStorage !== 'undefined' && 'setItem' in localStorage &&
!!localStorage.setItem;
}
catch (e) {
return false;
}
}
function _getKeyPrefix(options, defaultConfig) {
var keyPrefix = options.name + '/';
if (options.storeName !== defaultConfig.storeName) {
keyPrefix += options.storeName + '/';
}
return keyPrefix;
}
function checkIfLocalStorageThrows() {
var localStorageTestKey = '_localforage_support_test';
try {
localStorage.setItem(localStorageTestKey, true);
localStorage.removeItem(localStorageTestKey);
return false;
}
catch (e) {
return true;
}
}
function _isLocalStorageUsable() {
return !checkIfLocalStorageThrows() || localStorage.length > 0;
}
function _initStorage$2(options) {
var self = this;
var dbInfo = {};
if (options) {
for (var i in options) {
dbInfo[i] = options[i];
}
}
dbInfo.keyPrefix = _getKeyPrefix(options, self._defaultConfig);
if (!_isLocalStorageUsable()) {
return Promise$1.reject();
}
self._dbInfo = dbInfo;
dbInfo.serializer = localforageSerializer;
return Promise$1.resolve();
}
function clear$2(callback) {
var self = this;
var promise = self.ready().then(function () {
var keyPrefix = self._dbInfo.keyPrefix;
for (var i = localStorage.length - 1; i >= 0; i--) {
var key = localStorage.key(i);
if (key.indexOf(keyPrefix) === 0) {
localStorage.removeItem(key);
}
}
});
executeCallback(promise, callback);
return promise;
}
function getItem$2(key, callback) {
var self = this;
key = normalizeKey(key);
var promise = self.ready().then(function () {
var dbInfo = self._dbInfo;
var result = localStorage.getItem(dbInfo.keyPrefix + key);
if (result) {
result = dbInfo.serializer.deserialize(result);
}
return result;
});
executeCallback(promise, callback);
return promise;
}
function iterate$2(iterator, callback) {
var self = this;
var promise = self.ready().then(function () {
var dbInfo = self._dbInfo;
var keyPrefix = dbInfo.keyPrefix;
var keyPrefixLength = keyPrefix.length;
var length = localStorage.length;
var iterationNumber = 1;
for (var i = 0; i < length; i++) {
var key = localStorage.key(i);
if (key.indexOf(keyPrefix) !== 0) {
continue;
}
var value = localStorage.getItem(key);
if (value) {
value = dbInfo.serializer.deserialize(value);
}
value = iterator(value, key.substring(keyPrefixLength), iterationNumber++);
if (value !== void 0) {
return value;
}
}
});
executeCallback(promise, callback);
return promise;
}
function key$2(n, callback) {
var self = this;
var promise = self.ready().then(function () {
var dbInfo = self._dbInfo;
var result;
try {
result = localStorage.key(n);
}
catch (error) {
result = null;
}
if (result) {
result = result.substring(dbInfo.keyPrefix.length);
}
return result;
});
executeCallback(promise, callback);
return promise;
}
function keys$2(callback) {
var self = this;
var promise = self.ready().then(function () {
var dbInfo = self._dbInfo;
var length = localStorage.length;
var keys = [];
for (var i = 0; i < length; i++) {
var itemKey = localStorage.key(i);
if (itemKey.indexOf(dbInfo.keyPrefix) === 0) {
keys.push(itemKey.substring(dbInfo.keyPrefix.length));
}
}
return keys;
});
executeCallback(promise, callback);
return promise;
}
function length$2(callback) {
var self = this;
var promise = self.keys().then(function (keys) {
return keys.length;
});
executeCallback(promise, callback);
return promise;
}
function removeItem$2(key, callback) {
var self = this;
key = normalizeKey(key);
var promise = self.ready().then(function () {
var dbInfo = self._dbInfo;
localStorage.removeItem(dbInfo.keyPrefix + key);
});
executeCallback(promise, callback);
return promise;
}
function setItem$2(key, value, callback) {
var self = this;
key = normalizeKey(key);
var promise = self.ready().then(function () {
if (value === undefined) {
value = null;
}
var originalValue = value;
return new Promise$1(function (resolve, reject) {
var dbInfo = self._dbInfo;
dbInfo.serializer.serialize(value, function (value, error) {
if (error) {
reject(error);
}
else {
try {
localStorage.setItem(dbInfo.keyPrefix + key, value);
resolve(originalValue);
}
catch (e) {
if (e.name === 'QuotaExceededError' || e.name === 'NS_ERROR_DOM_QUOTA_REACHED') {
reject(e);
}
reject(e);
}
}
});
});
});
executeCallback(promise, callback);
return promise;
}
function dropInstance$2(options, callback) {
callback = getCallback.apply(this, arguments);
options = typeof options !== 'function' && options || {};
if (!options.name) {
var currentConfig = this.config();
options.name = options.name || currentConfig.name;
options.storeName = options.storeName || currentConfig.storeName;
}
var self = this;
var promise;
if (!options.name) {
promise = Promise$1.reject('Invalid arguments');
}
else {
promise = new Promise$1(function (resolve) {
if (!options.storeName) {
resolve(options.name + '/');
}
else {
resolve(_getKeyPrefix(options, self._defaultConfig));
}
}).then(function (keyPrefix) {
for (var i = localStorage.length - 1; i >= 0; i--) {
var key = localStorage.key(i);
if (key.indexOf(keyPrefix) === 0) {
localStorage.removeItem(key);
}
}
});
}
executeCallback(promise, callback);
return promise;
}
var localStorageWrapper = {
_driver: 'localStorageWrapper',
_initStorage: _initStorage$2,
_support: isLocalStorageValid(),
iterate: iterate$2,
getItem: getItem$2,
setItem: setItem$2,
removeItem: removeItem$2,
clear: clear$2,
length: length$2,
key: key$2,
keys: keys$2,
dropInstance: dropInstance$2
};
var sameValue = function sameValue(x, y) {
return x === y || typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y);
};
var includes = function includes(array, searchElement) {
var len = array.length;
var i = 0;
while (i < len) {
if (sameValue(array[i], searchElement)) {
return true;
}
i++;
}
return false;
};
var isArray = Array.isArray || function (arg) {
return Object.prototype.toString.call(arg) === '[object Array]';
};
var DefinedDrivers = {};
var DriverSupport = {};
var DefaultDrivers = {
INDEXEDDB: asyncStorage,
WEBSQL: webSQLStorage,
LOCALSTORAGE: localStorageWrapper
};
var DefaultDriverOrder = [DefaultDrivers.INDEXEDDB._driver, DefaultDrivers.WEBSQL._driver, DefaultDrivers.LOCALSTORAGE._driver];
var OptionalDriverMethods = ['dropInstance'];
var LibraryMethods = ['clear', 'getItem', 'iterate', 'key', 'keys', 'length', 'removeItem', 'setItem'].concat(OptionalDriverMethods);
var DefaultConfig = {
description: '',
driver: DefaultDriverOrder.slice(),
name: 'localforage',
size: 4980736,
storeName: 'keyvaluepairs',
version: 1.0
};
function callWhenReady(localForageInstance, libraryMethod) {
localForageInstance[libraryMethod] = function () {
var _args = arguments;
return localForageInstance.ready().then(function () {
return localForageInstance[libraryMethod].apply(localForageInstance, _args);
});
};
}
function extend() {
for (var i = 1; i < arguments.length; i++) {
var arg = arguments[i];
if (arg) {
for (var _key in arg) {
if (arg.hasOwnProperty(_key)) {
if (isArray(arg[_key])) {
arguments[0][_key] = arg[_key].slice();
}
else {
arguments[0][_key] = arg[_key];
}
}
}
}
}
return arguments[0];
}
var LocalForage = function () {
function LocalForage(options) {
_classCallCheck(this, LocalForage);
for (var driverTypeKey in DefaultDrivers) {
if (DefaultDrivers.hasOwnProperty(driverTypeKey)) {
var driver = DefaultDrivers[driverTypeKey];
var driverName = driver._driver;
this[driverTypeKey] = driverName;
if (!DefinedDrivers[driverName]) {
this.defineDriver(driver);
}
}
}
this._defaultConfig = extend({}, DefaultConfig);
this._config = extend({}, this._defaultConfig, options);
this._driverSet = null;
this._initDriver = null;
this._ready = false;
this._dbInfo = null;
this._wrapLibraryMethodsWithReady();
this.setDriver(this._config.driver)["catch"](function () { });
}
LocalForage.prototype.config = function config(options) {
if ((typeof options === 'undefined' ? 'undefined' : _typeof(options)) === 'object') {
if (this._ready) {
return new Error("Can't call config() after localforage " + 'has been used.');
}
for (var i in options) {
if (i === 'storeName') {
options[i] = options[i].replace(/\W/g, '_');
}
if (i === 'version' && typeof options[i] !== 'number') {
return new Error('Database version must be a number.');
}
this._config[i] = options[i];
}
if ('driver' in options && options.driver) {
return this.setDriver(this._config.driver);
}
return true;
}
else if (typeof options === 'string') {
return this._config[options];
}
else {
return this._config;
}
};
LocalForage.prototype.defineDriver = function defineDriver(driverObject, callback, errorCallback) {
var promise = new Promise$1(function (resolve, reject) {
try {
var driverName = driverObject._driver;
var complianceError = new Error('Custom driver not compliant; see ' + 'https://mozilla.github.io/localForage/#definedriver');
if (!driverObject._driver) {
reject(complianceError);
return;
}
var driverMethods = LibraryMethods.concat('_initStorage');
for (var i = 0, len = driverMethods.length; i < len; i++) {
var driverMethodName = driverMethods[i];
var isRequired = !includes(OptionalDriverMethods, driverMethodName);
if ((isRequired || driverObject[driverMethodName]) && typeof driverObject[driverMethodName] !== 'function') {
reject(complianceError);
return;
}
}
var configureMissingMethods = function configureMissingMethods() {
var methodNotImplementedFactory = function methodNotImplementedFactory(methodName) {
return function () {
var error = new Error('Method ' + methodName + ' is not implemented by the current driver');
var promise = Promise$1.reject(error);
executeCallback(promise, arguments[arguments.length - 1]);
return promise;
};
};
for (var _i = 0, _len = OptionalDriverMethods.length; _i < _len; _i++) {
var optionalDriverMethod = OptionalDriverMethods[_i];
if (!driverObject[optionalDriverMethod]) {
driverObject[optionalDriverMethod] = methodNotImplementedFactory(optionalDriverMethod);
}
}
};
configureMissingMethods();
var setDriverSupport = function setDriverSupport(support) {
if (DefinedDrivers[driverName]) {
console.info('Redefining LocalForage driver: ' + driverName);
}
DefinedDrivers[driverName] = driverObject;
DriverSupport[driverName] = support;
resolve();
};
if ('_support' in driverObject) {
if (driverObject._support && typeof driverObject._support === 'function') {
driverObject._support().then(setDriverSupport, reject);
}
else {
setDriverSupport(!!driverObject._support);
}
}
else {
setDriverSupport(true);
}
}
catch (e) {
reject(e);
}
});
executeTwoCallbacks(promise, callback, errorCallback);
return promise;
};
LocalForage.prototype.driver = function driver() {
return this._driver || null;
};
LocalForage.prototype.getDriver = function getDriver(driverName, callback, errorCallback) {
var getDriverPromise = DefinedDrivers[driverName] ? Promise$1.resolve(DefinedDrivers[driverName]) : Promise$1.reject(new Error('Driver not found.'));
executeTwoCallbacks(getDriverPromise, callback, errorCallback);
return getDriverPromise;
};
LocalForage.prototype.getSerializer = function getSerializer(callback) {
var serializerPromise = Promise$1.resolve(localforageSerializer);
executeTwoCallbacks(serializerPromise, callback);
return serializerPromise;
};
LocalForage.prototype.ready = function ready(callback) {
var self = this;
var promise = self._driverSet.then(function () {
if (self._ready === null) {
self._ready = self._initDriver();
}
return self._ready;
});
executeTwoCallbacks(promise, callback, callback);
return promise;
};
LocalForage.prototype.setDriver = function setDriver(drivers, callback, errorCallback) {
var self = this;
if (!isArray(drivers)) {
drivers = [drivers];
}
var supportedDrivers = this._getSupportedDrivers(drivers);
function setDriverToConfig() {
self._config.driver = self.driver();
}
function extendSelfWithDriver(driver) {
self._extend(driver);
setDriverToConfig();
self._ready = self._initStorage(self._config);
return self._ready;
}
function initDriver(supportedDrivers) {
return function () {
var currentDriverIndex = 0;
function driverPromiseLoop() {
while (currentDriverIndex < supportedDrivers.length) {
var driverName = supportedDrivers[currentDriverIndex];
currentDriverIndex++;
self._dbInfo = null;
self._ready = null;
return self.getDriver(driverName).then(extendSelfWithDriver)["catch"](driverPromiseLoop);
}
setDriverToConfig();
var error = new Error('No available storage method found.');
self._driverSet = Promise$1.reject(error);
return self._driverSet;
}
return driverPromiseLoop();
};
}
var oldDriverSetDone = this._driverSet !== null ? this._driverSet["catch"](function () {
return Promise$1.resolve();
}) : Promise$1.resolve();
this._driverSet = oldDriverSetDone.then(function () {
var driverName = supportedDrivers[0];
self._dbInfo = null;
self._ready = null;
return self.getDriver(driverName).then(function (driver) {
self._driver = driver._driver;
setDriverToConfig();
self._wrapLibraryMethodsWithReady();
self._initDriver = initDriver(supportedDrivers);
});
})["catch"](function () {
setDriverToConfig();
var error = new Error('No available storage method found.');
self._driverSet = Promise$1.reject(error);
return self._driverSet;
});
executeTwoCallbacks(this._driverSet, callback, errorCallback);
return this._driverSet;
};
LocalForage.prototype.supports = function supports(driverName) {
return !!DriverSupport[driverName];
};
LocalForage.prototype._extend = function _extend(libraryMethodsAndProperties) {
extend(this, libraryMethodsAndProperties);
};
LocalForage.prototype._getSupportedDrivers = function _getSupportedDrivers(drivers) {
var supportedDrivers = [];
for (var i = 0, len = drivers.length; i < len; i++) {
var driverName = drivers[i];
if (this.supports(driverName)) {
supportedDrivers.push(driverName);
}
}
return supportedDrivers;
};
LocalForage.prototype._wrapLibraryMethodsWithReady = function _wrapLibraryMethodsWithReady() {
for (var i = 0, len = LibraryMethods.length; i < len; i++) {
callWhenReady(this, LibraryMethods[i]);
}
};
LocalForage.prototype.createInstance = function createInstance(options) {
return new LocalForage(options);
};
return LocalForage;
}();
var localforage_js = new LocalForage();
module.exports = localforage_js;
}, { "3": 3 }] }, {}, [4])(4);
});
}).call(this);
}).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {});
_$localforage_1 = _$localforage_1.exports;
var _$input_2 = {};
(function (global) {
(function () {
"use strict";
var _localforage = _interopRequireDefault(_$localforage_1);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
global["localforage"] = _localforage["default"];
}).call(this);
}).call(this, typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {});
}());