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JavaScript's functional programming helper library.
The newest version!
var _has = require('./_has.js');
// Memoize an expensive function by storing its results.
function memoize(func, hasher) {
var memoize = function(key) {
var cache = memoize.cache;
var address = '' + (hasher ? hasher.apply(this, arguments) : key);
if (!_has(cache, address)) cache[address] = func.apply(this, arguments);
return cache[address];
};
memoize.cache = {};
return memoize;
}
module.exports = memoize;