@technobuddha/library
Version:
A large library of useful functions
18 lines • 1.04 kB
JavaScript
/**
* Pick a random items from a list.
* @param list - Array of items to pick from
* @param random - Random number generator
* @returns Randomly selected item
* @group Random
* @category Pick
* @example
* ```typescript
* const items = ['a', 'b', 'c'];
* randomPick(items, () => 0.5); // 'b' (deterministic for example)
* randomPick([], () => 0.5); // undefined
* ```
*/
export function randomPick(list, random = Math.random) {
return list.length === 0 ? undefined : list[Math.floor(random() * list.length)];
}
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