Edit File: random.js
import { getMode } from './modes.js'; /* Generate a random number between `min` and `max` */ const rand = ([min, max]) => min + Math.random() * (max - min); /* Convert a constraints object to intervals. */ const to_intervals = constraints => Object.keys(constraints).reduce((o, k) => { let v = constraints[k]; o[k] = Array.isArray(v) ? v : [v, v]; return o; }, {}); /* Generate a random color. */ const random = (mode = 'rgb', constraints = {}) => { let def = getMode(mode); let limits = to_intervals(constraints); return def.channels.reduce( (res, ch) => { // ignore alpha if not present in constraints if (limits.alpha || ch !== 'alpha') { res[ch] = rand(limits[ch] || def.ranges[ch]); } return res; }, { mode } ); }; export default random;
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