RandBox Module Tour (3/12): helpers – Utility Toolkit

The helpers module adds selection, shuffling, formatting, and extensibility utilities.

Overview

• Collections: pickone/pickset/shuffle
• Text: capitalize/pad
• Extend: set/mixin

Examples

import RandBox from 'randbox'
const rb = new RandBox()
const tag = rb.pickone?.(['A','B','C'])
const many = rb.pickset?.(['x','y','z'], 2)
const mixed = rb.shuffle?.([1,2,3,4])

Links

• Index: /en/docs/helpers/
• Pages: /en/docs/helpers/pickone, /en/docs/helpers/mixin

FAQ

• Does pickset allow duplicates?
  • Typically returns unique items unless configured otherwise.
• Which shuffle algorithm?
  • Fisher–Yates for uniform distribution.
• Can mixin overwrite existing methods?
  • Possible; use cautiously and see docs for patterns.