#54 - Pool of random numbers
Date: 2019-03-30 12:00 - JS
Class that draws unique random ids from a pool of numbers
class NumberPool {
constructor(max) {
this.pool = {};
this.max = max;
}
draw() {
let randomId;
do {
randomId = '' + ((1 + Math.random() * this.max) | 0);
} while (this.pool[randomId] != undefined);
var drawn = { number: randomId };
drawn.dispose = () => {
delete this.pool[randomId];
}
this.pool[randomId] = true;
return drawn;
}
reset() {
this.pool = {};
}
}
