blob: 26f8ca73127a9e5d717de9adca3d5f8d75577a43 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
* @typechecks static-only
*/
'use strict';
/**
* Memoizes the return value of a function that accepts one string argument.
*/
function memoizeStringOnly(callback) {
var cache = {};
return function (string) {
if (!cache.hasOwnProperty(string)) {
cache[string] = callback.call(this, string);
}
return cache[string];
};
}
module.exports = memoizeStringOnly;
|
