Get a random item from an array with a weighted probability
$ npm install random-choice
const randomChoice = require('random-choice');
//Give relative weights for the items in your array
randomChoice(['apple', 'orange', 'banana'], [.50, .25, .25]);
//=> 'apple'
//Integer ratios work too
randomChoice(['apple', 'orange', 'banana'], [2, 1, 1]);
//=> 'apple'MIT