memorize

Memorize
========

Like async's memoize. But without the rest.

Example
-------

var memo = require('memorize');

var foo = memo(function(cb) {
setTimeout() {
// this function takes long, long, long
// but's only going to run once.
cb('Foo!')
}, 5000);
})

foo(function(msg) {
console.log(msg); // should take 5 secs

foo(function(other_message) {
console.log(other_message); // immediate
})
})

You can also set an expiration time on memoization.

var foo = memo(function(cb) {
// magic happens here, but it takes long
}, 7000); // expire after 7 secs.

foo(function(res) {
// took a while

foo(function(res) {
// immediate
})

setTimeout(function() {
foo(function(res) {
// expiration passed, so function is re-run
})
}, 10000);
})

That's it. For more info take a look at the examples.

About
-----

By Tomás Pollak.
(c) Fork, Ltd. MIT licensed.