You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
329 B
20 lines
329 B
4 years ago
|
//
|
||
|
'use strict';
|
||
|
|
||
|
function cacheWrapper (cache , key , fn ) {
|
||
|
if (!cache) {
|
||
|
return fn();
|
||
|
}
|
||
|
|
||
|
const cached = cache.get(key);
|
||
|
if (cached !== undefined) {
|
||
|
return cached;
|
||
|
}
|
||
|
|
||
|
const result = fn();
|
||
|
cache.set(key, result);
|
||
|
return result;
|
||
|
}
|
||
|
|
||
|
module.exports = cacheWrapper;
|