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-rw-r--r--public/editor-files/localforage/localforage.js2497
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diff --git a/public/editor-files/localforage/localforage.js b/public/editor-files/localforage/localforage.js
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--- a/public/editor-files/localforage/localforage.js
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-/*!
- localForage -- Offline Storage, Improved
- Version 1.2.2
- https://mozilla.github.io/localForage
- (c) 2013-2015 Mozilla, Apache License 2.0
-*/
-(function() {
-var define, requireModule, require, requirejs;
-
-(function() {
- var registry = {}, seen = {};
-
- define = function(name, deps, callback) {
- registry[name] = { deps: deps, callback: callback };
- };
-
- requirejs = require = requireModule = function(name) {
- requirejs._eak_seen = registry;
-
- if (seen[name]) { return seen[name]; }
- seen[name] = {};
-
- if (!registry[name]) {
- throw new Error("Could not find module " + name);
- }
-
- var mod = registry[name],
- deps = mod.deps,
- callback = mod.callback,
- reified = [],
- exports;
-
- for (var i=0, l=deps.length; i<l; i++) {
- if (deps[i] === 'exports') {
- reified.push(exports = {});
- } else {
- reified.push(requireModule(resolve(deps[i])));
- }
- }
-
- var value = callback.apply(this, reified);
- return seen[name] = exports || value;
-
- function resolve(child) {
- if (child.charAt(0) !== '.') { return child; }
- var parts = child.split("/");
- var parentBase = name.split("/").slice(0, -1);
-
- for (var i=0, l=parts.length; i<l; i++) {
- var part = parts[i];
-
- if (part === '..') { parentBase.pop(); }
- else if (part === '.') { continue; }
- else { parentBase.push(part); }
- }
-
- return parentBase.join("/");
- }
- };
-})();
-
-define("promise/all",
- ["./utils","exports"],
- function(__dependency1__, __exports__) {
- "use strict";
- /* global toString */
-
- var isArray = __dependency1__.isArray;
- var isFunction = __dependency1__.isFunction;
-
- /**
- Returns a promise that is fulfilled when all the given promises have been
- fulfilled, or rejected if any of them become rejected. The return promise
- is fulfilled with an array that gives all the values in the order they were
- passed in the `promises` array argument.
-
- Example:
-
- ```javascript
- var promise1 = RSVP.resolve(1);
- var promise2 = RSVP.resolve(2);
- var promise3 = RSVP.resolve(3);
- var promises = [ promise1, promise2, promise3 ];
-
- RSVP.all(promises).then(function(array){
- // The array here would be [ 1, 2, 3 ];
- });
- ```
-
- If any of the `promises` given to `RSVP.all` are rejected, the first promise
- that is rejected will be given as an argument to the returned promises's
- rejection handler. For example:
-
- Example:
-
- ```javascript
- var promise1 = RSVP.resolve(1);
- var promise2 = RSVP.reject(new Error("2"));
- var promise3 = RSVP.reject(new Error("3"));
- var promises = [ promise1, promise2, promise3 ];
-
- RSVP.all(promises).then(function(array){
- // Code here never runs because there are rejected promises!
- }, function(error) {
- // error.message === "2"
- });
- ```
-
- @method all
- @for RSVP
- @param {Array} promises
- @param {String} label
- @return {Promise} promise that is fulfilled when all `promises` have been
- fulfilled, or rejected if any of them become rejected.
- */
- function all(promises) {
- /*jshint validthis:true */
- var Promise = this;
-
- if (!isArray(promises)) {
- throw new TypeError('You must pass an array to all.');
- }
-
- return new Promise(function(resolve, reject) {
- var results = [], remaining = promises.length,
- promise;
-
- if (remaining === 0) {
- resolve([]);
- }
-
- function resolver(index) {
- return function(value) {
- resolveAll(index, value);
- };
- }
-
- function resolveAll(index, value) {
- results[index] = value;
- if (--remaining === 0) {
- resolve(results);
- }
- }
-
- for (var i = 0; i < promises.length; i++) {
- promise = promises[i];
-
- if (promise && isFunction(promise.then)) {
- promise.then(resolver(i), reject);
- } else {
- resolveAll(i, promise);
- }
- }
- });
- }
-
- __exports__.all = all;
- });
-define("promise/asap",
- ["exports"],
- function(__exports__) {
- "use strict";
- var browserGlobal = (typeof window !== 'undefined') ? window : {};
- var BrowserMutationObserver = browserGlobal.MutationObserver || browserGlobal.WebKitMutationObserver;
- var local = (typeof global !== 'undefined') ? global : (this === undefined? window:this);
-
- // node
- function useNextTick() {
- return function() {
- process.nextTick(flush);
- };
- }
-
- function useMutationObserver() {
- var iterations = 0;
- var observer = new BrowserMutationObserver(flush);
- var node = document.createTextNode('');
- observer.observe(node, { characterData: true });
-
- return function() {
- node.data = (iterations = ++iterations % 2);
- };
- }
-
- function useSetTimeout() {
- return function() {
- local.setTimeout(flush, 1);
- };
- }
-
- var queue = [];
- function flush() {
- for (var i = 0; i < queue.length; i++) {
- var tuple = queue[i];
- var callback = tuple[0], arg = tuple[1];
- callback(arg);
- }
- queue = [];
- }
-
- var scheduleFlush;
-
- // Decide what async method to use to triggering processing of queued callbacks:
- if (typeof process !== 'undefined' && {}.toString.call(process) === '[object process]') {
- scheduleFlush = useNextTick();
- } else if (BrowserMutationObserver) {
- scheduleFlush = useMutationObserver();
- } else {
- scheduleFlush = useSetTimeout();
- }
-
- function asap(callback, arg) {
- var length = queue.push([callback, arg]);
- if (length === 1) {
- // If length is 1, that means that we need to schedule an async flush.
- // If additional callbacks are queued before the queue is flushed, they
- // will be processed by this flush that we are scheduling.
- scheduleFlush();
- }
- }
-
- __exports__.asap = asap;
- });
-define("promise/config",
- ["exports"],
- function(__exports__) {
- "use strict";
- var config = {
- instrument: false
- };
-
- function configure(name, value) {
- if (arguments.length === 2) {
- config[name] = value;
- } else {
- return config[name];
- }
- }
-
- __exports__.config = config;
- __exports__.configure = configure;
- });
-define("promise/polyfill",
- ["./promise","./utils","exports"],
- function(__dependency1__, __dependency2__, __exports__) {
- "use strict";
- /*global self*/
- var RSVPPromise = __dependency1__.Promise;
- var isFunction = __dependency2__.isFunction;
-
- function polyfill() {
- var local;
-
- if (typeof global !== 'undefined') {
- local = global;
- } else if (typeof window !== 'undefined' && window.document) {
- local = window;
- } else {
- local = self;
- }
-
- var es6PromiseSupport =
- "Promise" in local &&
- // Some of these methods are missing from
- // Firefox/Chrome experimental implementations
- "resolve" in local.Promise &&
- "reject" in local.Promise &&
- "all" in local.Promise &&
- "race" in local.Promise &&
- // Older version of the spec had a resolver object
- // as the arg rather than a function
- (function() {
- var resolve;
- new local.Promise(function(r) { resolve = r; });
- return isFunction(resolve);
- }());
-
- if (!es6PromiseSupport) {
- local.Promise = RSVPPromise;
- }
- }
-
- __exports__.polyfill = polyfill;
- });
-define("promise/promise",
- ["./config","./utils","./all","./race","./resolve","./reject","./asap","exports"],
- function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__, __dependency6__, __dependency7__, __exports__) {
- "use strict";
- var config = __dependency1__.config;
- var configure = __dependency1__.configure;
- var objectOrFunction = __dependency2__.objectOrFunction;
- var isFunction = __dependency2__.isFunction;
- var now = __dependency2__.now;
- var all = __dependency3__.all;
- var race = __dependency4__.race;
- var staticResolve = __dependency5__.resolve;
- var staticReject = __dependency6__.reject;
- var asap = __dependency7__.asap;
-
- var counter = 0;
-
- config.async = asap; // default async is asap;
-
- function Promise(resolver) {
- if (!isFunction(resolver)) {
- throw new TypeError('You must pass a resolver function as the first argument to the promise constructor');
- }
-
- if (!(this instanceof Promise)) {
- throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.");
- }
-
- this._subscribers = [];
-
- invokeResolver(resolver, this);
- }
-
- function invokeResolver(resolver, promise) {
- function resolvePromise(value) {
- resolve(promise, value);
- }
-
- function rejectPromise(reason) {
- reject(promise, reason);
- }
-
- try {
- resolver(resolvePromise, rejectPromise);
- } catch(e) {
- rejectPromise(e);
- }
- }
-
- function invokeCallback(settled, promise, callback, detail) {
- var hasCallback = isFunction(callback),
- value, error, succeeded, failed;
-
- if (hasCallback) {
- try {
- value = callback(detail);
- succeeded = true;
- } catch(e) {
- failed = true;
- error = e;
- }
- } else {
- value = detail;
- succeeded = true;
- }
-
- if (handleThenable(promise, value)) {
- return;
- } else if (hasCallback && succeeded) {
- resolve(promise, value);
- } else if (failed) {
- reject(promise, error);
- } else if (settled === FULFILLED) {
- resolve(promise, value);
- } else if (settled === REJECTED) {
- reject(promise, value);
- }
- }
-
- var PENDING = void 0;
- var SEALED = 0;
- var FULFILLED = 1;
- var REJECTED = 2;
-
- function subscribe(parent, child, onFulfillment, onRejection) {
- var subscribers = parent._subscribers;
- var length = subscribers.length;
-
- subscribers[length] = child;
- subscribers[length + FULFILLED] = onFulfillment;
- subscribers[length + REJECTED] = onRejection;
- }
-
- function publish(promise, settled) {
- var child, callback, subscribers = promise._subscribers, detail = promise._detail;
-
- for (var i = 0; i < subscribers.length; i += 3) {
- child = subscribers[i];
- callback = subscribers[i + settled];
-
- invokeCallback(settled, child, callback, detail);
- }
-
- promise._subscribers = null;
- }
-
- Promise.prototype = {
- constructor: Promise,
-
- _state: undefined,
- _detail: undefined,
- _subscribers: undefined,
-
- then: function(onFulfillment, onRejection) {
- var promise = this;
-
- var thenPromise = new this.constructor(function() {});
-
- if (this._state) {
- var callbacks = arguments;
- config.async(function invokePromiseCallback() {
- invokeCallback(promise._state, thenPromise, callbacks[promise._state - 1], promise._detail);
- });
- } else {
- subscribe(this, thenPromise, onFulfillment, onRejection);
- }
-
- return thenPromise;
- },
-
- 'catch': function(onRejection) {
- return this.then(null, onRejection);
- }
- };
-
- Promise.all = all;
- Promise.race = race;
- Promise.resolve = staticResolve;
- Promise.reject = staticReject;
-
- function handleThenable(promise, value) {
- var then = null,
- resolved;
-
- try {
- if (promise === value) {
- throw new TypeError("A promises callback cannot return that same promise.");
- }
-
- if (objectOrFunction(value)) {
- then = value.then;
-
- if (isFunction(then)) {
- then.call(value, function(val) {
- if (resolved) { return true; }
- resolved = true;
-
- if (value !== val) {
- resolve(promise, val);
- } else {
- fulfill(promise, val);
- }
- }, function(val) {
- if (resolved) { return true; }
- resolved = true;
-
- reject(promise, val);
- });
-
- return true;
- }
- }
- } catch (error) {
- if (resolved) { return true; }
- reject(promise, error);
- return true;
- }
-
- return false;
- }
-
- function resolve(promise, value) {
- if (promise === value) {
- fulfill(promise, value);
- } else if (!handleThenable(promise, value)) {
- fulfill(promise, value);
- }
- }
-
- function fulfill(promise, value) {
- if (promise._state !== PENDING) { return; }
- promise._state = SEALED;
- promise._detail = value;
-
- config.async(publishFulfillment, promise);
- }
-
- function reject(promise, reason) {
- if (promise._state !== PENDING) { return; }
- promise._state = SEALED;
- promise._detail = reason;
-
- config.async(publishRejection, promise);
- }
-
- function publishFulfillment(promise) {
- publish(promise, promise._state = FULFILLED);
- }
-
- function publishRejection(promise) {
- publish(promise, promise._state = REJECTED);
- }
-
- __exports__.Promise = Promise;
- });
-define("promise/race",
- ["./utils","exports"],
- function(__dependency1__, __exports__) {
- "use strict";
- /* global toString */
- var isArray = __dependency1__.isArray;
-
- /**
- `RSVP.race` allows you to watch a series of promises and act as soon as the
- first promise given to the `promises` argument fulfills or rejects.
-
- Example:
-
- ```javascript
- var promise1 = new RSVP.Promise(function(resolve, reject){
- setTimeout(function(){
- resolve("promise 1");
- }, 200);
- });
-
- var promise2 = new RSVP.Promise(function(resolve, reject){
- setTimeout(function(){
- resolve("promise 2");
- }, 100);
- });
-
- RSVP.race([promise1, promise2]).then(function(result){
- // result === "promise 2" because it was resolved before promise1
- // was resolved.
- });
- ```
-
- `RSVP.race` is deterministic in that only the state of the first completed
- promise matters. For example, even if other promises given to the `promises`
- array argument are resolved, but the first completed promise has become
- rejected before the other promises became fulfilled, the returned promise
- will become rejected:
-
- ```javascript
- var promise1 = new RSVP.Promise(function(resolve, reject){
- setTimeout(function(){
- resolve("promise 1");
- }, 200);
- });
-
- var promise2 = new RSVP.Promise(function(resolve, reject){
- setTimeout(function(){
- reject(new Error("promise 2"));
- }, 100);
- });
-
- RSVP.race([promise1, promise2]).then(function(result){
- // Code here never runs because there are rejected promises!
- }, function(reason){
- // reason.message === "promise2" because promise 2 became rejected before
- // promise 1 became fulfilled
- });
- ```
-
- @method race
- @for RSVP
- @param {Array} promises array of promises to observe
- @param {String} label optional string for describing the promise returned.
- Useful for tooling.
- @return {Promise} a promise that becomes fulfilled with the value the first
- completed promises is resolved with if the first completed promise was
- fulfilled, or rejected with the reason that the first completed promise
- was rejected with.
- */
- function race(promises) {
- /*jshint validthis:true */
- var Promise = this;
-
- if (!isArray(promises)) {
- throw new TypeError('You must pass an array to race.');
- }
- return new Promise(function(resolve, reject) {
- var results = [], promise;
-
- for (var i = 0; i < promises.length; i++) {
- promise = promises[i];
-
- if (promise && typeof promise.then === 'function') {
- promise.then(resolve, reject);
- } else {
- resolve(promise);
- }
- }
- });
- }
-
- __exports__.race = race;
- });
-define("promise/reject",
- ["exports"],
- function(__exports__) {
- "use strict";
- /**
- `RSVP.reject` returns a promise that will become rejected with the passed
- `reason`. `RSVP.reject` is essentially shorthand for the following:
-
- ```javascript
- var promise = new RSVP.Promise(function(resolve, reject){
- reject(new Error('WHOOPS'));
- });
-
- promise.then(function(value){
- // Code here doesn't run because the promise is rejected!
- }, function(reason){
- // reason.message === 'WHOOPS'
- });
- ```
-
- Instead of writing the above, your code now simply becomes the following:
-
- ```javascript
- var promise = RSVP.reject(new Error('WHOOPS'));
-
- promise.then(function(value){
- // Code here doesn't run because the promise is rejected!
- }, function(reason){
- // reason.message === 'WHOOPS'
- });
- ```
-
- @method reject
- @for RSVP
- @param {Any} reason value that the returned promise will be rejected with.
- @param {String} label optional string for identifying the returned promise.
- Useful for tooling.
- @return {Promise} a promise that will become rejected with the given
- `reason`.
- */
- function reject(reason) {
- /*jshint validthis:true */
- var Promise = this;
-
- return new Promise(function (resolve, reject) {
- reject(reason);
- });
- }
-
- __exports__.reject = reject;
- });
-define("promise/resolve",
- ["exports"],
- function(__exports__) {
- "use strict";
- function resolve(value) {
- /*jshint validthis:true */
- if (value && typeof value === 'object' && value.constructor === this) {
- return value;
- }
-
- var Promise = this;
-
- return new Promise(function(resolve) {
- resolve(value);
- });
- }
-
- __exports__.resolve = resolve;
- });
-define("promise/utils",
- ["exports"],
- function(__exports__) {
- "use strict";
- function objectOrFunction(x) {
- return isFunction(x) || (typeof x === "object" && x !== null);
- }
-
- function isFunction(x) {
- return typeof x === "function";
- }
-
- function isArray(x) {
- return Object.prototype.toString.call(x) === "[object Array]";
- }
-
- // Date.now is not available in browsers < IE9
- // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/now#Compatibility
- var now = Date.now || function() { return new Date().getTime(); };
-
-
- __exports__.objectOrFunction = objectOrFunction;
- __exports__.isFunction = isFunction;
- __exports__.isArray = isArray;
- __exports__.now = now;
- });
-requireModule('promise/polyfill').polyfill();
-}());(function() {
- 'use strict';
-
- // Sadly, the best way to save binary data in WebSQL/localStorage is serializing
- // it to Base64, so this is how we store it to prevent very strange errors with less
- // verbose ways of binary <-> string data storage.
- var BASE_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-
- var SERIALIZED_MARKER = '__lfsc__:';
- var SERIALIZED_MARKER_LENGTH = SERIALIZED_MARKER.length;
-
- // OMG the serializations!
- 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;
-
- // Serialize a value, afterwards executing a callback (which usually
- // instructs the `setItem()` callback/promise to be executed). This is how
- // we store binary data with localStorage.
- function serialize(value, callback) {
- var valueString = '';
- if (value) {
- valueString = value.toString();
- }
-
- // Cannot use `value instanceof ArrayBuffer` or such here, as these
- // checks fail when running the tests using casper.js...
- //
- // TODO: See why those tests fail and use a better solution.
- if (value && (value.toString() === '[object ArrayBuffer]' ||
- value.buffer &&
- value.buffer.toString() === '[object ArrayBuffer]')) {
- // Convert binary arrays to a string and prefix the string with
- // a special marker.
- var buffer;
- var marker = SERIALIZED_MARKER;
-
- if (value instanceof ArrayBuffer) {
- buffer = value;
- marker += TYPE_ARRAYBUFFER;
- } else {
- buffer = value.buffer;
-
- if (valueString === '[object Int8Array]') {
- marker += TYPE_INT8ARRAY;
- } else if (valueString === '[object Uint8Array]') {
- marker += TYPE_UINT8ARRAY;
- } else if (valueString === '[object Uint8ClampedArray]') {
- marker += TYPE_UINT8CLAMPEDARRAY;
- } else if (valueString === '[object Int16Array]') {
- marker += TYPE_INT16ARRAY;
- } else if (valueString === '[object Uint16Array]') {
- marker += TYPE_UINT16ARRAY;
- } else if (valueString === '[object Int32Array]') {
- marker += TYPE_INT32ARRAY;
- } else if (valueString === '[object Uint32Array]') {
- marker += TYPE_UINT32ARRAY;
- } else if (valueString === '[object Float32Array]') {
- marker += TYPE_FLOAT32ARRAY;
- } else if (valueString === '[object Float64Array]') {
- marker += TYPE_FLOAT64ARRAY;
- } else {
- callback(new Error('Failed to get type for BinaryArray'));
- }
- }
-
- callback(marker + bufferToString(buffer));
- } else if (valueString === '[object Blob]') {
- // Conver the blob to a binaryArray and then to a string.
- var fileReader = new FileReader();
-
- fileReader.onload = function() {
- var str = bufferToString(this.result);
-
- callback(SERIALIZED_MARKER + TYPE_BLOB + str);
- };
-
- fileReader.readAsArrayBuffer(value);
- } else {
- try {
- callback(JSON.stringify(value));
- } catch (e) {
- window.console.error("Couldn't convert value into a JSON " +
- 'string: ', value);
-
- callback(null, e);
- }
- }
- }
-
- // Deserialize data we've inserted into a value column/field. We place
- // special markers into our strings to mark them as encoded; this isn't
- // as nice as a meta field, but it's the only sane thing we can do whilst
- // keeping localStorage support intact.
- //
- // Oftentimes this will just deserialize JSON content, but if we have a
- // special marker (SERIALIZED_MARKER, defined above), we will extract
- // some kind of arraybuffer/binary data/typed array out of the string.
- function deserialize(value) {
- // If we haven't marked this string as being specially serialized (i.e.
- // something other than serialized JSON), we can just return it and be
- // done with it.
- if (value.substring(0,
- SERIALIZED_MARKER_LENGTH) !== SERIALIZED_MARKER) {
- return JSON.parse(value);
- }
-
- // The following code deals with deserializing some kind of Blob or
- // TypedArray. First we separate out the type of data we're dealing
- // with from the data itself.
- var serializedString = value.substring(TYPE_SERIALIZED_MARKER_LENGTH);
- var type = value.substring(SERIALIZED_MARKER_LENGTH,
- TYPE_SERIALIZED_MARKER_LENGTH);
-
- var buffer = stringToBuffer(serializedString);
-
- // Return the right type based on the code/type set during
- // serialization.
- switch (type) {
- case TYPE_ARRAYBUFFER:
- return buffer;
- case TYPE_BLOB:
- return new Blob([buffer]);
- 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);
- }
- }
-
- function stringToBuffer(serializedString) {
- // Fill the string into a ArrayBuffer.
- 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]);
-
- /*jslint bitwise: true */
- bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
- bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
- bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
- }
- return buffer;
- }
-
- // Converts a buffer to a string to store, serialized, in the backend
- // storage library.
- function bufferToString(buffer) {
- // base64-arraybuffer
- var bytes = new Uint8Array(buffer);
- var base64String = '';
- var i;
-
- for (i = 0; i < bytes.length; i += 3) {
- /*jslint bitwise: true */
- 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;
- }
-
- var localforageSerializer = {
- serialize: serialize,
- deserialize: deserialize,
- stringToBuffer: stringToBuffer,
- bufferToString: bufferToString
- };
-
- if (typeof module !== 'undefined' && module.exports) {
- module.exports = localforageSerializer;
- } else if (typeof define === 'function' && define.amd) {
- define('localforageSerializer', function() {
- return localforageSerializer;
- });
- } else {
- this.localforageSerializer = localforageSerializer;
- }
-}).call(window);
-// Some code originally from async_storage.js in
-// [Gaia](https://github.com/mozilla-b2g/gaia).
-(function() {
- 'use strict';
-
- // Originally found in https://github.com/mozilla-b2g/gaia/blob/e8f624e4cc9ea945727278039b3bc9bcb9f8667a/shared/js/async_storage.js
-
- // Promises!
- var Promise = (typeof module !== 'undefined' && module.exports) ?
- require('promise') : this.Promise;
-
- // Initialize IndexedDB; fall back to vendor-prefixed versions if needed.
- var indexedDB = indexedDB || this.indexedDB || this.webkitIndexedDB ||
- this.mozIndexedDB || this.OIndexedDB ||
- this.msIndexedDB;
-
- // If IndexedDB isn't available, we get outta here!
- if (!indexedDB) {
- return;
- }
-
- // Open the IndexedDB database (automatically creates one if one didn't
- // previously exist), using any options set in the config.
- function _initStorage(options) {
- var self = this;
- var dbInfo = {
- db: null
- };
-
- if (options) {
- for (var i in options) {
- dbInfo[i] = options[i];
- }
- }
-
- return new Promise(function(resolve, reject) {
- var openreq = indexedDB.open(dbInfo.name, dbInfo.version);
- openreq.onerror = function() {
- reject(openreq.error);
- };
- openreq.onupgradeneeded = function() {
- // First time setup: create an empty object store
- openreq.result.createObjectStore(dbInfo.storeName);
- };
- openreq.onsuccess = function() {
- dbInfo.db = openreq.result;
- self._dbInfo = dbInfo;
- resolve();
- };
- });
- }
-
- function getItem(key, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var store = dbInfo.db.transaction(dbInfo.storeName, 'readonly')
- .objectStore(dbInfo.storeName);
- var req = store.get(key);
-
- req.onsuccess = function() {
- var value = req.result;
- if (value === undefined) {
- value = null;
- }
-
- resolve(value);
- };
-
- req.onerror = function() {
- reject(req.error);
- };
- })["catch"](reject);
- });
-
- executeDeferedCallback(promise, callback);
- return promise;
- }
-
- // Iterate over all items stored in database.
- function iterate(iterator, callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var store = dbInfo.db.transaction(dbInfo.storeName, 'readonly')
- .objectStore(dbInfo.storeName);
-
- var req = store.openCursor();
- var iterationNumber = 1;
-
- req.onsuccess = function() {
- var cursor = req.result;
-
- if (cursor) {
- var result = iterator(cursor.value, cursor.key, iterationNumber++);
-
- if (result !== void(0)) {
- resolve(result);
- } else {
- cursor["continue"]();
- }
- } else {
- resolve();
- }
- };
-
- req.onerror = function() {
- reject(req.error);
- };
- })["catch"](reject);
- });
-
- executeDeferedCallback(promise, callback);
-
- return promise;
- }
-
- function setItem(key, value, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var transaction = dbInfo.db.transaction(dbInfo.storeName, 'readwrite');
- var store = transaction.objectStore(dbInfo.storeName);
-
- // The reason we don't _save_ null is because IE 10 does
- // not support saving the `null` type in IndexedDB. How
- // ironic, given the bug below!
- // See: https://github.com/mozilla/localForage/issues/161
- if (value === null) {
- value = undefined;
- }
-
- var req = store.put(value, key);
- transaction.oncomplete = function() {
- // Cast to undefined so the value passed to
- // callback/promise is the same as what one would get out
- // of `getItem()` later. This leads to some weirdness
- // (setItem('foo', undefined) will return `null`), but
- // it's not my fault localStorage is our baseline and that
- // it's weird.
- if (value === undefined) {
- value = null;
- }
-
- resolve(value);
- };
- transaction.onabort = transaction.onerror = function() {
- reject(req.error);
- };
- })["catch"](reject);
- });
-
- executeDeferedCallback(promise, callback);
- return promise;
- }
-
- function removeItem(key, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var transaction = dbInfo.db.transaction(dbInfo.storeName, 'readwrite');
- var store = transaction.objectStore(dbInfo.storeName);
-
- // We use a Grunt task to make this safe for IE and some
- // versions of Android (including those used by Cordova).
- // Normally IE won't like `.delete()` and will insist on
- // using `['delete']()`, but we have a build step that
- // fixes this for us now.
- var req = store["delete"](key);
- transaction.oncomplete = function() {
- resolve();
- };
-
- transaction.onerror = function() {
- reject(req.error);
- };
-
- // The request will be aborted if we've exceeded our storage
- // space. In this case, we will reject with a specific
- // "QuotaExceededError".
- transaction.onabort = function(event) {
- var error = event.target.error;
- if (error === 'QuotaExceededError') {
- reject(error);
- }
- };
- })["catch"](reject);
- });
-
- executeDeferedCallback(promise, callback);
- return promise;
- }
-
- function clear(callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var transaction = dbInfo.db.transaction(dbInfo.storeName, 'readwrite');
- var store = transaction.objectStore(dbInfo.storeName);
- var req = store.clear();
-
- transaction.oncomplete = function() {
- resolve();
- };
-
- transaction.onabort = transaction.onerror = function() {
- reject(req.error);
- };
- })["catch"](reject);
- });
-
- executeDeferedCallback(promise, callback);
- return promise;
- }
-
- function length(callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var store = dbInfo.db.transaction(dbInfo.storeName, 'readonly')
- .objectStore(dbInfo.storeName);
- var req = store.count();
-
- req.onsuccess = function() {
- resolve(req.result);
- };
-
- req.onerror = function() {
- reject(req.error);
- };
- })["catch"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function key(n, callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- if (n < 0) {
- resolve(null);
-
- return;
- }
-
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var store = dbInfo.db.transaction(dbInfo.storeName, 'readonly')
- .objectStore(dbInfo.storeName);
-
- var advanced = false;
- var req = store.openCursor();
- req.onsuccess = function() {
- var cursor = req.result;
- if (!cursor) {
- // this means there weren't enough keys
- resolve(null);
-
- return;
- }
-
- if (n === 0) {
- // We have the first key, return it if that's what they
- // wanted.
- resolve(cursor.key);
- } else {
- if (!advanced) {
- // Otherwise, ask the cursor to skip ahead n
- // records.
- advanced = true;
- cursor.advance(n);
- } else {
- // When we get here, we've got the nth key.
- resolve(cursor.key);
- }
- }
- };
-
- req.onerror = function() {
- reject(req.error);
- };
- })["catch"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function keys(callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var store = dbInfo.db.transaction(dbInfo.storeName, 'readonly')
- .objectStore(dbInfo.storeName);
-
- var req = store.openCursor();
- 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"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function executeCallback(promise, callback) {
- if (callback) {
- promise.then(function(result) {
- callback(null, result);
- }, function(error) {
- callback(error);
- });
- }
- }
-
- function executeDeferedCallback(promise, callback) {
- if (callback) {
- promise.then(function(result) {
- deferCallback(callback, result);
- }, function(error) {
- callback(error);
- });
- }
- }
-
- // Under Chrome the callback is called before the changes (save, clear)
- // are actually made. So we use a defer function which wait that the
- // call stack to be empty.
- // For more info : https://github.com/mozilla/localForage/issues/175
- // Pull request : https://github.com/mozilla/localForage/pull/178
- function deferCallback(callback, result) {
- if (callback) {
- return setTimeout(function() {
- return callback(null, result);
- }, 0);
- }
- }
-
- var asyncStorage = {
- _driver: 'asyncStorage',
- _initStorage: _initStorage,
- iterate: iterate,
- getItem: getItem,
- setItem: setItem,
- removeItem: removeItem,
- clear: clear,
- length: length,
- key: key,
- keys: keys
- };
-
- if (typeof module !== 'undefined' && module.exports) {
- module.exports = asyncStorage;
- } else if (typeof define === 'function' && define.amd) {
- define('asyncStorage', function() {
- return asyncStorage;
- });
- } else {
- this.asyncStorage = asyncStorage;
- }
-}).call(window);
-// If IndexedDB isn't available, we'll fall back to localStorage.
-// Note that this will have considerable performance and storage
-// side-effects (all data will be serialized on save and only data that
-// can be converted to a string via `JSON.stringify()` will be saved).
-(function() {
- 'use strict';
-
- // Promises!
- var Promise = (typeof module !== 'undefined' && module.exports) ?
- require('promise') : this.Promise;
-
- var globalObject = this;
- var serializer = null;
- var localStorage = null;
-
- // If the app is running inside a Google Chrome packaged webapp, or some
- // other context where localStorage isn't available, we don't use
- // localStorage. This feature detection is preferred over the old
- // `if (window.chrome && window.chrome.runtime)` code.
- // See: https://github.com/mozilla/localForage/issues/68
- try {
- // If localStorage isn't available, we get outta here!
- // This should be inside a try catch
- if (!this.localStorage || !('setItem' in this.localStorage)) {
- return;
- }
- // Initialize localStorage and create a variable to use throughout
- // the code.
- localStorage = this.localStorage;
- } catch (e) {
- return;
- }
-
- var ModuleType = {
- DEFINE: 1,
- EXPORT: 2,
- WINDOW: 3
- };
-
- // Attaching to window (i.e. no module loader) is the assumed,
- // simple default.
- var moduleType = ModuleType.WINDOW;
-
- // Find out what kind of module setup we have; if none, we'll just attach
- // localForage to the main window.
- if (typeof module !== 'undefined' && module.exports) {
- moduleType = ModuleType.EXPORT;
- } else if (typeof define === 'function' && define.amd) {
- moduleType = ModuleType.DEFINE;
- }
-
- // Config the localStorage backend, using options set in the config.
- function _initStorage(options) {
- var self = this;
- var dbInfo = {};
- if (options) {
- for (var i in options) {
- dbInfo[i] = options[i];
- }
- }
-
- dbInfo.keyPrefix = dbInfo.name + '/';
-
- self._dbInfo = dbInfo;
-
- var serializerPromise = new Promise(function(resolve/*, reject*/) {
- // We allow localForage to be declared as a module or as a
- // library available without AMD/require.js.
- if (moduleType === ModuleType.DEFINE) {
- require(['localforageSerializer'], resolve);
- } else if (moduleType === ModuleType.EXPORT) {
- // Making it browserify friendly
- resolve(require('./../utils/serializer'));
- } else {
- resolve(globalObject.localforageSerializer);
- }
- });
-
- return serializerPromise.then(function(lib) {
- serializer = lib;
- return Promise.resolve();
- });
- }
-
- // Remove all keys from the datastore, effectively destroying all data in
- // the app's key/value store!
- function clear(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;
- }
-
- // Retrieve an item from the store. Unlike the original async_storage
- // library in Gaia, we don't modify return values at all. If a key's value
- // is `undefined`, we pass that value to the callback function.
- function getItem(key, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = self.ready().then(function() {
- var dbInfo = self._dbInfo;
- var result = localStorage.getItem(dbInfo.keyPrefix + key);
-
- // If a result was found, parse it from the serialized
- // string into a JS object. If result isn't truthy, the key
- // is likely undefined and we'll pass it straight to the
- // callback.
- if (result) {
- result = serializer.deserialize(result);
- }
-
- return result;
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Iterate over all items in the store.
- function iterate(iterator, callback) {
- var self = this;
-
- var promise = self.ready().then(function() {
- var keyPrefix = self._dbInfo.keyPrefix;
- var keyPrefixLength = keyPrefix.length;
- var length = localStorage.length;
-
- for (var i = 0; i < length; i++) {
- var key = localStorage.key(i);
- var value = localStorage.getItem(key);
-
- // If a result was found, parse it from the serialized
- // string into a JS object. If result isn't truthy, the
- // key is likely undefined and we'll pass it straight
- // to the iterator.
- if (value) {
- value = serializer.deserialize(value);
- }
-
- value = iterator(value, key.substring(keyPrefixLength), i + 1);
-
- if (value !== void(0)) {
- return value;
- }
- }
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Same as localStorage's key() method, except takes a callback.
- function key(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;
- }
-
- // Remove the prefix from the key, if a key is found.
- if (result) {
- result = result.substring(dbInfo.keyPrefix.length);
- }
-
- return result;
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function keys(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++) {
- if (localStorage.key(i).indexOf(dbInfo.keyPrefix) === 0) {
- keys.push(localStorage.key(i).substring(dbInfo.keyPrefix.length));
- }
- }
-
- return keys;
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Supply the number of keys in the datastore to the callback function.
- function length(callback) {
- var self = this;
- var promise = self.keys().then(function(keys) {
- return keys.length;
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Remove an item from the store, nice and simple.
- function removeItem(key, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = self.ready().then(function() {
- var dbInfo = self._dbInfo;
- localStorage.removeItem(dbInfo.keyPrefix + key);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Set a key's value and run an optional callback once the value is set.
- // Unlike Gaia's implementation, the callback function is passed the value,
- // in case you want to operate on that value only after you're sure it
- // saved, or something like that.
- function setItem(key, value, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = self.ready().then(function() {
- // Convert undefined values to null.
- // https://github.com/mozilla/localForage/pull/42
- if (value === undefined) {
- value = null;
- }
-
- // Save the original value to pass to the callback.
- var originalValue = value;
-
- return new Promise(function(resolve, reject) {
- serializer.serialize(value, function(value, error) {
- if (error) {
- reject(error);
- } else {
- try {
- var dbInfo = self._dbInfo;
- localStorage.setItem(dbInfo.keyPrefix + key, value);
- resolve(originalValue);
- } catch (e) {
- // localStorage capacity exceeded.
- // TODO: Make this a specific error/event.
- if (e.name === 'QuotaExceededError' ||
- e.name === 'NS_ERROR_DOM_QUOTA_REACHED') {
- reject(e);
- }
- reject(e);
- }
- }
- });
- });
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function executeCallback(promise, callback) {
- if (callback) {
- promise.then(function(result) {
- callback(null, result);
- }, function(error) {
- callback(error);
- });
- }
- }
-
- var localStorageWrapper = {
- _driver: 'localStorageWrapper',
- _initStorage: _initStorage,
- // Default API, from Gaia/localStorage.
- iterate: iterate,
- getItem: getItem,
- setItem: setItem,
- removeItem: removeItem,
- clear: clear,
- length: length,
- key: key,
- keys: keys
- };
-
- if (moduleType === ModuleType.EXPORT) {
- module.exports = localStorageWrapper;
- } else if (moduleType === ModuleType.DEFINE) {
- define('localStorageWrapper', function() {
- return localStorageWrapper;
- });
- } else {
- this.localStorageWrapper = localStorageWrapper;
- }
-}).call(window);
-/*
- * Includes code from:
- *
- * base64-arraybuffer
- * https://github.com/niklasvh/base64-arraybuffer
- *
- * Copyright (c) 2012 Niklas von Hertzen
- * Licensed under the MIT license.
- */
-(function() {
- 'use strict';
-
- // Promises!
- var Promise = (typeof module !== 'undefined' && module.exports) ?
- require('promise') : this.Promise;
-
- var globalObject = this;
- var serializer = null;
- var openDatabase = this.openDatabase;
-
- // If WebSQL methods aren't available, we can stop now.
- if (!openDatabase) {
- return;
- }
-
- var ModuleType = {
- DEFINE: 1,
- EXPORT: 2,
- WINDOW: 3
- };
-
- // Attaching to window (i.e. no module loader) is the assumed,
- // simple default.
- var moduleType = ModuleType.WINDOW;
-
- // Find out what kind of module setup we have; if none, we'll just attach
- // localForage to the main window.
- if (typeof module !== 'undefined' && module.exports) {
- moduleType = ModuleType.EXPORT;
- } else if (typeof define === 'function' && define.amd) {
- moduleType = ModuleType.DEFINE;
- }
-
- // Open the WebSQL database (automatically creates one if one didn't
- // previously exist), using any options set in the config.
- function _initStorage(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 serializerPromise = new Promise(function(resolve/*, reject*/) {
- // We allow localForage to be declared as a module or as a
- // library available without AMD/require.js.
- if (moduleType === ModuleType.DEFINE) {
- require(['localforageSerializer'], resolve);
- } else if (moduleType === ModuleType.EXPORT) {
- // Making it browserify friendly
- resolve(require('./../utils/serializer'));
- } else {
- resolve(globalObject.localforageSerializer);
- }
- });
-
- var dbInfoPromise = new Promise(function(resolve, reject) {
- // Open the database; the openDatabase API will automatically
- // create it for us if it doesn't exist.
- try {
- dbInfo.db = openDatabase(dbInfo.name, String(dbInfo.version),
- dbInfo.description, dbInfo.size);
- } catch (e) {
- return self.setDriver(self.LOCALSTORAGE).then(function() {
- return self._initStorage(options);
-}).then(resolve)["catch"](reject);
- }
-
- // Create our key/value table if it doesn't exist.
- dbInfo.db.transaction(function(t) {
- t.executeSql('CREATE TABLE IF NOT EXISTS ' + dbInfo.storeName +
- ' (id INTEGER PRIMARY KEY, key unique, value)', [],
- function() {
- self._dbInfo = dbInfo;
- resolve();
- }, function(t, error) {
- reject(error);
- });
- });
- });
-
- return serializerPromise.then(function(lib) {
- serializer = lib;
- return dbInfoPromise;
- });
- }
-
- function getItem(key, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- t.executeSql('SELECT * FROM ' + dbInfo.storeName +
- ' WHERE key = ? LIMIT 1', [key],
- function(t, results) {
- var result = results.rows.length ?
- results.rows.item(0).value : null;
-
- // Check to see if this is serialized content we need to
- // unpack.
- if (result) {
- result = serializer.deserialize(result);
- }
-
- resolve(result);
- }, function(t, error) {
-
- reject(error);
- });
- });
- })["catch"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function iterate(iterator, callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
-
- dbInfo.db.transaction(function(t) {
- t.executeSql('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;
-
- // Check to see if this is serialized content
- // we need to unpack.
- if (result) {
- result = serializer.deserialize(result);
- }
-
- result = iterator(result, item.key, i + 1);
-
- // void(0) prevents problems with redefinition
- // of `undefined`.
- 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) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- // The localStorage API doesn't return undefined values in an
- // "expected" way, so undefined is always cast to null in all
- // drivers. See: https://github.com/mozilla/localForage/pull/42
- if (value === undefined) {
- value = null;
- }
-
- // Save the original value to pass to the callback.
- var originalValue = value;
-
- serializer.serialize(value, function(value, error) {
- if (error) {
- reject(error);
- } else {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- t.executeSql('INSERT OR REPLACE INTO ' +
- dbInfo.storeName +
- ' (key, value) VALUES (?, ?)',
- [key, value], function() {
- resolve(originalValue);
- }, function(t, error) {
- reject(error);
- });
- }, function(sqlError) { // The transaction failed; check
- // to see if it's a quota error.
- if (sqlError.code === sqlError.QUOTA_ERR) {
- // We reject the callback outright for now, but
- // it's worth trying to re-run the transaction.
- // Even if the user accepts the prompt to use
- // more storage on Safari, this error will
- // be called.
- //
- // TODO: Try to re-run the transaction.
- reject(sqlError);
- }
- });
- }
- });
- })["catch"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- function removeItem(key, callback) {
- var self = this;
-
- // Cast the key to a string, as that's all we can set as a key.
- if (typeof key !== 'string') {
- window.console.warn(key +
- ' used as a key, but it is not a string.');
- key = String(key);
- }
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- t.executeSql('DELETE FROM ' + dbInfo.storeName +
- ' WHERE key = ?', [key], function() {
-
- resolve();
- }, function(t, error) {
-
- reject(error);
- });
- });
- })["catch"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Deletes every item in the table.
- // TODO: Find out if this resets the AUTO_INCREMENT number.
- function clear(callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- t.executeSql('DELETE FROM ' + dbInfo.storeName, [],
- function() {
- resolve();
- }, function(t, error) {
- reject(error);
- });
- });
- })["catch"](reject);
- });
-
- executeCallback(promise, callback);
- return promise;
- }
-
- // Does a simple `COUNT(key)` to get the number of items stored in
- // localForage.
- function length(callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- // Ahhh, SQL makes this one soooooo easy.
- t.executeSql('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;
- }
-
- // Return the key located at key index X; essentially gets the key from a
- // `WHERE id = ?`. This is the most efficient way I can think to implement
- // this rarely-used (in my experience) part of the API, but it can seem
- // inconsistent, because we do `INSERT OR REPLACE INTO` on `setItem()`, so
- // the ID of each key will change every time it's updated. Perhaps a stored
- // procedure for the `setItem()` SQL would solve this problem?
- // TODO: Don't change ID on `setItem()`.
- function key(n, callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- t.executeSql('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(callback) {
- var self = this;
-
- var promise = new Promise(function(resolve, reject) {
- self.ready().then(function() {
- var dbInfo = self._dbInfo;
- dbInfo.db.transaction(function(t) {
- t.executeSql('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 executeCallback(promise, callback) {
- if (callback) {
- promise.then(function(result) {
- callback(null, result);
- }, function(error) {
- callback(error);
- });
- }
- }
-
- var webSQLStorage = {
- _driver: 'webSQLStorage',
- _initStorage: _initStorage,
- iterate: iterate,
- getItem: getItem,
- setItem: setItem,
- removeItem: removeItem,
- clear: clear,
- length: length,
- key: key,
- keys: keys
- };
-
- if (moduleType === ModuleType.DEFINE) {
- define('webSQLStorage', function() {
- return webSQLStorage;
- });
- } else if (moduleType === ModuleType.EXPORT) {
- module.exports = webSQLStorage;
- } else {
- this.webSQLStorage = webSQLStorage;
- }
-}).call(window);
-(function() {
- 'use strict';
-
- // Promises!
- var Promise = (typeof module !== 'undefined' && module.exports) ?
- require('promise') : this.Promise;
-
- // Custom drivers are stored here when `defineDriver()` is called.
- // They are shared across all instances of localForage.
- var CustomDrivers = {};
-
- var DriverType = {
- INDEXEDDB: 'asyncStorage',
- LOCALSTORAGE: 'localStorageWrapper',
- WEBSQL: 'webSQLStorage'
- };
-
- var DefaultDriverOrder = [
- DriverType.INDEXEDDB,
- DriverType.WEBSQL,
- DriverType.LOCALSTORAGE
- ];
-
- var LibraryMethods = [
- 'clear',
- 'getItem',
- 'iterate',
- 'key',
- 'keys',
- 'length',
- 'removeItem',
- 'setItem'
- ];
-
- var ModuleType = {
- DEFINE: 1,
- EXPORT: 2,
- WINDOW: 3
- };
-
- var DefaultConfig = {
- description: '',
- driver: DefaultDriverOrder.slice(),
- name: 'localforage',
- // Default DB size is _JUST UNDER_ 5MB, as it's the highest size
- // we can use without a prompt.
- size: 4980736,
- storeName: 'keyvaluepairs',
- version: 1.0
- };
-
- // Attaching to window (i.e. no module loader) is the assumed,
- // simple default.
- var moduleType = ModuleType.WINDOW;
-
- // Find out what kind of module setup we have; if none, we'll just attach
- // localForage to the main window.
- if (typeof module !== 'undefined' && module.exports) {
- moduleType = ModuleType.EXPORT;
- } else if (typeof define === 'function' && define.amd) {
- moduleType = ModuleType.DEFINE;
- }
-
- // Check to see if IndexedDB is available and if it is the latest
- // implementation; it's our preferred backend library. We use "_spec_test"
- // as the name of the database because it's not the one we'll operate on,
- // but it's useful to make sure its using the right spec.
- // See: https://github.com/mozilla/localForage/issues/128
- var driverSupport = (function(self) {
- // Initialize IndexedDB; fall back to vendor-prefixed versions
- // if needed.
- var indexedDB = indexedDB || self.indexedDB || self.webkitIndexedDB ||
- self.mozIndexedDB || self.OIndexedDB ||
- self.msIndexedDB;
-
- var result = {};
-
- result[DriverType.WEBSQL] = !!self.openDatabase;
- result[DriverType.INDEXEDDB] = !!(function() {
- // We mimic PouchDB here; just UA test for Safari (which, as of
- // iOS 8/Yosemite, doesn't properly support IndexedDB).
- // IndexedDB support is broken and different from Blink's.
- // This is faster than the test case (and it's sync), so we just
- // do this. *SIGH*
- // http://bl.ocks.org/nolanlawson/raw/c83e9039edf2278047e9/
- //
- // We test for openDatabase because IE Mobile identifies itself
- // as Safari. Oh the lulz...
- if (typeof self.openDatabase !== 'undefined' && self.navigator &&
- self.navigator.userAgent &&
- /Safari/.test(self.navigator.userAgent) &&
- !/Chrome/.test(self.navigator.userAgent)) {
- return false;
- }
- try {
- return indexedDB &&
- typeof indexedDB.open === 'function' &&
- // Some Samsung/HTC Android 4.0-4.3 devices
- // have older IndexedDB specs; if this isn't available
- // their IndexedDB is too old for us to use.
- // (Replaces the onupgradeneeded test.)
- typeof self.IDBKeyRange !== 'undefined';
- } catch (e) {
- return false;
- }
- })();
-
- result[DriverType.LOCALSTORAGE] = !!(function() {
- try {
- return (self.localStorage &&
- ('setItem' in self.localStorage) &&
- (self.localStorage.setItem));
- } catch (e) {
- return false;
- }
- })();
-
- return result;
- })(this);
-
- var isArray = Array.isArray || function(arg) {
- return Object.prototype.toString.call(arg) === '[object Array]';
- };
-
- 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];
- }
-
- function isLibraryDriver(driverName) {
- for (var driver in DriverType) {
- if (DriverType.hasOwnProperty(driver) &&
- DriverType[driver] === driverName) {
- return true;
- }
- }
-
- return false;
- }
-
- var globalObject = this;
-
- function LocalForage(options) {
- this._config = extend({}, DefaultConfig, options);
- this._driverSet = null;
- this._ready = false;
- this._dbInfo = null;
-
- // Add a stub for each driver API method that delays the call to the
- // corresponding driver method until localForage is ready. These stubs
- // will be replaced by the driver methods as soon as the driver is
- // loaded, so there is no performance impact.
- for (var i = 0; i < LibraryMethods.length; i++) {
- callWhenReady(this, LibraryMethods[i]);
- }
-
- this.setDriver(this._config.driver);
- }
-
- LocalForage.prototype.INDEXEDDB = DriverType.INDEXEDDB;
- LocalForage.prototype.LOCALSTORAGE = DriverType.LOCALSTORAGE;
- LocalForage.prototype.WEBSQL = DriverType.WEBSQL;
-
- // Set any config values for localForage; can be called anytime before
- // the first API call (e.g. `getItem`, `setItem`).
- // We loop through options so we don't overwrite existing config
- // values.
- LocalForage.prototype.config = function(options) {
- // If the options argument is an object, we use it to set values.
- // Otherwise, we return either a specified config value or all
- // config values.
- if (typeof(options) === 'object') {
- // If localforage is ready and fully initialized, we can't set
- // any new configuration values. Instead, we return an error.
- 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, '_');
- }
-
- this._config[i] = options[i];
- }
-
- // after all config options are set and
- // the driver option is used, try setting it
- if ('driver' in options && options.driver) {
- this.setDriver(this._config.driver);
- }
-
- return true;
- } else if (typeof(options) === 'string') {
- return this._config[options];
- } else {
- return this._config;
- }
- };
-
- // Used to define a custom driver, shared across all instances of
- // localForage.
- LocalForage.prototype.defineDriver = function(driverObject, callback,
- errorCallback) {
- var defineDriver = new Promise(function(resolve, reject) {
- try {
- var driverName = driverObject._driver;
- var complianceError = new Error(
- 'Custom driver not compliant; see ' +
- 'https://mozilla.github.io/localForage/#definedriver'
- );
- var namingError = new Error(
- 'Custom driver name already in use: ' + driverObject._driver
- );
-
- // A driver name should be defined and not overlap with the
- // library-defined, default drivers.
- if (!driverObject._driver) {
- reject(complianceError);
- return;
- }
- if (isLibraryDriver(driverObject._driver)) {
- reject(namingError);
- return;
- }
-
- var customDriverMethods = LibraryMethods.concat('_initStorage');
- for (var i = 0; i < customDriverMethods.length; i++) {
- var customDriverMethod = customDriverMethods[i];
- if (!customDriverMethod ||
- !driverObject[customDriverMethod] ||
- typeof driverObject[customDriverMethod] !== 'function') {
- reject(complianceError);
- return;
- }
- }
-
- var supportPromise = Promise.resolve(true);
- if ('_support' in driverObject) {
- if (driverObject._support && typeof driverObject._support === 'function') {
- supportPromise = driverObject._support();
- } else {
- supportPromise = Promise.resolve(!!driverObject._support);
- }
- }
-
- supportPromise.then(function(supportResult) {
- driverSupport[driverName] = supportResult;
- CustomDrivers[driverName] = driverObject;
- resolve();
- }, reject);
- } catch (e) {
- reject(e);
- }
- });
-
- defineDriver.then(callback, errorCallback);
- return defineDriver;
- };
-
- LocalForage.prototype.driver = function() {
- return this._driver || null;
- };
-
- LocalForage.prototype.ready = function(callback) {
- var self = this;
-
- var ready = new Promise(function(resolve, reject) {
- self._driverSet.then(function() {
- if (self._ready === null) {
- self._ready = self._initStorage(self._config);
- }
-
- self._ready.then(resolve, reject);
- })["catch"](reject);
- });
-
- ready.then(callback, callback);
- return ready;
- };
-
- LocalForage.prototype.setDriver = function(drivers, callback,
- errorCallback) {
- var self = this;
-
- if (typeof drivers === 'string') {
- drivers = [drivers];
- }
-
- this._driverSet = new Promise(function(resolve, reject) {
- var driverName = self._getFirstSupportedDriver(drivers);
- var error = new Error('No available storage method found.');
-
- if (!driverName) {
- self._driverSet = Promise.reject(error);
- reject(error);
- return;
- }
-
- self._dbInfo = null;
- self._ready = null;
-
- if (isLibraryDriver(driverName)) {
- // We allow localForage to be declared as a module or as a
- // library available without AMD/require.js.
- if (moduleType === ModuleType.DEFINE) {
- require([driverName], function(lib) {
- self._extend(lib);
-
- resolve();
- });
-
- return;
- } else if (moduleType === ModuleType.EXPORT) {
- // Making it browserify friendly
- var driver;
- switch (driverName) {
- case self.INDEXEDDB:
- driver = require('./drivers/indexeddb');
- break;
- case self.LOCALSTORAGE:
- driver = require('./drivers/localstorage');
- break;
- case self.WEBSQL:
- driver = require('./drivers/websql');
- }
-
- self._extend(driver);
- } else {
- self._extend(globalObject[driverName]);
- }
- } else if (CustomDrivers[driverName]) {
- self._extend(CustomDrivers[driverName]);
- } else {
- self._driverSet = Promise.reject(error);
- reject(error);
- return;
- }
-
- resolve();
- });
-
- function setDriverToConfig() {
- self._config.driver = self.driver();
- }
- this._driverSet.then(setDriverToConfig, setDriverToConfig);
-
- this._driverSet.then(callback, errorCallback);
- return this._driverSet;
- };
-
- LocalForage.prototype.supports = function(driverName) {
- return !!driverSupport[driverName];
- };
-
- LocalForage.prototype._extend = function(libraryMethodsAndProperties) {
- extend(this, libraryMethodsAndProperties);
- };
-
- // Used to determine which driver we should use as the backend for this
- // instance of localForage.
- LocalForage.prototype._getFirstSupportedDriver = function(drivers) {
- if (drivers && isArray(drivers)) {
- for (var i = 0; i < drivers.length; i++) {
- var driver = drivers[i];
-
- if (this.supports(driver)) {
- return driver;
- }
- }
- }
-
- return null;
- };
-
- LocalForage.prototype.createInstance = function(options) {
- return new LocalForage(options);
- };
-
- // The actual localForage object that we expose as a module or via a
- // global. It's extended by pulling in one of our other libraries.
- var localForage = new LocalForage();
-
- // We allow localForage to be declared as a module or as a library
- // available without AMD/require.js.
- if (moduleType === ModuleType.DEFINE) {
- define('localforage', function() {
- return localForage;
- });
- } else if (moduleType === ModuleType.EXPORT) {
- module.exports = localForage;
- } else {
- this.localforage = localForage;
- }
-}).call(window);