14 lines
395 B
JavaScript
14 lines
395 B
JavaScript
var has = require('./has');
|
|
exports = function(fn, hashFn) {
|
|
var memoize = function(key) {
|
|
var cache = memoize.cache;
|
|
var address = '' + (hashFn ? hashFn.apply(this, arguments) : key);
|
|
if (!has(cache, address)) cache[address] = fn.apply(this, arguments);
|
|
return cache[address];
|
|
};
|
|
memoize.cache = {};
|
|
return memoize;
|
|
};
|
|
|
|
module.exports = exports;
|