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Merged the JS implementations of AsyncStorage, as there seem to be no significant differences. 

Reviewed By: sahrens

Differential Revision: D2585257

fb-gh-sync-id: a1c930a675f40b4cd1b3ebe4dffb316747376522
This commit is contained in:
Nick Lockwood 2015-10-27 09:59:30 -07:00 committed by facebook-github-bot-6
parent 6ef024870c
commit b9e4f0ddd6
2 changed files with 7 additions and 239 deletions
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233
Libraries/Storage/AsyncStorage.android.js
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@ -1,233 +0,0 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule AsyncStorage
* @flow
*/
'use strict';
var RCTAsyncStorage = require('NativeModules').AsyncSQLiteDBStorage;
/**
* AsyncStorage is a simple, asynchronous, persistent, global, key-value storage system.
*
* It is recommended that you use an abstraction on top of AsyncStorage instead of AsyncStorage
* directly for anything more than light usage since it operates globally.
*
* This JS code is a simple facade over the native android implementation to provide a clear
* JS API, real Error objects, and simple non-multi functions.
*/
var AsyncStorage = {
/**
* Fetches `key` and passes the result to `callback`, along with an `Error` if
* there is any. Returns a `Promise` object.
*/
getItem: function(
key: string,
callback?: ?(error: ?Error, result: ?string) => void
) {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiGet([key], function(error, result) {
var value = (result && result[0] && result[0][1]) ? result[0][1] : null;
callback && callback((error && convertError(error)) || null, value);
if (error) {
reject(convertError(error));
} else {
resolve(value);
}
});
});
},
/**
* Sets `value` for `key` and calls `callback` on completion, along with an
* `Error` if there is any. Returns a `Promise` object.
*/
setItem: function(
key: string,
value: string,
callback?: ?(error: ?Error) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiSet([[key,value]], function(error) {
callback && callback((error && convertError(error)) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
/**
* Returns a `Promise` object.
*/
removeItem: function(
key: string,
callback?: ?(error: ?Error) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiRemove([key], function(error) {
callback && callback((error && convertError(error)) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
/**
* Merges existing value with input value, assuming they are stringified json.
* Returns a `Promise` object.
*/
mergeItem: function(
key: string,
value: string,
callback?: ?(error: ?Error) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiMerge([[key,value]], function(error) {
callback && callback((error && convertError(error)) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
/**
* Erases *all* AsyncStorage for all clients, libraries, etc. You probably
* don't want to call this - use removeItem or multiRemove to clear only your
* own keys instead. Returns a `Promise` object.
*/
clear: function(callback?: ?(error: ?Error) => void): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.clear(function(error) {
callback && callback(convertError(error) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
/**
* Gets *all* keys known to the app, for all callers, libraries, etc. Returns a `Promise` object.
*/
getAllKeys: function(callback?: ?(error: ?Error, keys: ?Array<string>) => void): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.getAllKeys(function(error, keys) {
callback && callback((error && convertError(error)) || null, keys);
if (error) {
reject(convertError(error));
} else {
resolve(keys);
}
});
});
},
/**
* The following batched functions are useful for executing a lot of
* operations at once, allowing for native optimizations and provide the
* convenience of a single callback after all operations are complete.
*
* In case of errors, these functions return the first encountered error and abort.
*/
/**
* multiGet invokes callback with an array of key-value pair arrays that
* matches the input format of multiSet. Returns a `Promise` object.
*
* multiGet(['k1', 'k2'], cb) -> cb([['k1', 'val1'], ['k2', 'val2']])
*/
multiGet: function(
keys: Array<string>,
callback?: ?(errors: ?Array<Error>, result: ?Array<Array<string>>) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiGet(keys, function(error, result) {
callback && callback((error && convertError(error)) || null, result);
if (error) {
reject(convertError(error));
} else {
resolve(result);
}
});
});
},
/**
* multiSet and multiMerge take arrays of key-value array pairs that match
* the output of multiGet, e.g. Returns a `Promise` object.
*
* multiSet([['k1', 'val1'], ['k2', 'val2']], cb);
*/
multiSet: function(
keyValuePairs: Array<Array<string>>,
callback?: ?(errors: ?Array<Error>) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiSet(keyValuePairs, function(error) {
callback && callback((error && convertError(error)) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
/**
* Delete all the keys in the `keys` array. Returns a `Promise` object.
*/
multiRemove: function(
keys: Array<string>,
callback?: ?(errors: ?Array<Error>) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiRemove(keys, function(error) {
callback && callback((error && convertError(error)) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
/**
* Merges existing values with input values, assuming they are stringified
* json. Returns a `Promise` object.
*/
multiMerge: function(
keyValuePairs: Array<Array<string>>,
callback?: ?(errors: ?Array<Error>) => void
): Promise {
return new Promise((resolve, reject) => {
RCTAsyncStorage.multiMerge(keyValuePairs, function(error) {
callback && callback((error && convertError(error)) || null);
if (error) {
reject(convertError(error));
} else {
resolve(null);
}
});
});
},
};
function convertError(error) {
if (!error) {
return null;
}
var out = new Error(error.message);
return [out];
}
module.exports = AsyncStorage;

13
Libraries/Storage/AsyncStorage.ios.js → Libraries/Storage/AsyncStorage.js
View File

@ -12,11 +12,12 @@
'use strict';
var NativeModules = require('NativeModules');
var RCTAsyncLocalStorage = NativeModules.AsyncLocalStorage;
var RCTAsyncSQLiteStorage = NativeModules.AsyncSQLiteDBStorage;
var RCTAsyncRocksDBStorage = NativeModules.AsyncRocksDBStorage;
var RCTAsyncFileStorage = NativeModules.AsyncLocalStorage;
// We use RocksDB if available.
var RCTAsyncStorage = RCTAsyncRocksDBStorage || RCTAsyncLocalStorage;
// Use RocksDB if available, then SQLite, then file storage.
var RCTAsyncStorage = RCTAsyncRocksDBStorage || RCTAsyncSQLiteStorage || RCTAsyncFileStorage;
/**
* AsyncStorage is a simple, asynchronous, persistent, key-value storage
@ -73,6 +74,7 @@ var AsyncStorage = {
});
});
},
/**
* Returns a `Promise` object.
*/
@ -93,9 +95,8 @@ var AsyncStorage = {
},
/**
* Merges existing value with input value, assuming they are stringified json. Returns a `Promise` object.
*
* Not supported by all native implementations.
* Merges existing value with input value, assuming they are stringified json.
* Returns a `Promise` object. Not supported by all native implementations.
*/
mergeItem: function(
key: string,