random-items-weight

Randomly pick a item from an array of items by a weight callback

Usage

npm i -S random-items-weight

 
import rdwt from 'random-items-weight'
 
let items = [
    {
        name: 'Alex',
        weight: 3
    },
    {
        name: 'John',
        weight: 2
    },
    {
        name: 'Tom',
        weight: 1
    }
]
 
console.log(rdwt(items,i => i.weight).name,' is picked')