A TypeScript decorator for memoizing properties using fast-memoize.
npm install @typescript-plus/fast-memoize-decoratorA TypeScript decorator for memoizing properties using [fast-memoize].
``bash`
$ npm i @typescript-plus/fast-memoize-decorator --save
`ts
import { Memoize } from '@typescript-plus/fast-memoize-decorator';
class Tomorrow {
@Memoize() when(today: Date) {
console.log('compute!');
const date = new Date(today.getTime());
date.setDate(date.getDate() + 1);
return date;
}
}
const tomorrow = new Tomorrow();
// returns 2nd Apr. 2000 and prints "compute!"
tomorrow.when(new Date(2000, 4, 1));
// returns 2nd Apr. 2000 and prints nothing
tomorrow.when(new Date(2000, 4, 1));
// returns 3rd Apr. 2000 and prints "compute!"
tomorrow.when(new Date(2000, 4, 2));
``
[fast-memoize]: https://www.npmjs.com/package/fast-memoize
MIT