Combinatorics (WIP)

by Kyle Phillips

npm install combinatorics --save

Methods to generate combinations of values between two or more arrays. Based off of Grasshoppers Cross-Reference component except it can take more than 2 arguments.

const combinatorics = require('combinatorics');

combinatorics.holistic('ABC'.split(''), 'XYZ'.split(''), [0, 1, 2])

[ [ 'A', 'X', 0 ],
  [ 'B', 'X', 0 ],
  [ 'C', 'X', 0 ],
  [ 'A', 'Y', 0 ],
  [ 'B', 'Y', 0 ],
  [ 'C', 'Y', 0 ],
  [ 'A', 'Z', 0 ],
  [ 'B', 'Z', 0 ],
  [ 'C', 'Z', 0 ],
  [ 'A', 'X', 1 ],
  [ 'B', 'X', 1 ],
  [ 'C', 'X', 1 ],
  [ 'A', 'Y', 1 ],
  [ 'B', 'Y', 1 ],
  [ 'C', 'Y', 1 ],
  [ 'A', 'Z', 1 ],
  [ 'B', 'Z', 1 ],
  [ 'C', 'Z', 1 ],
  [ 'A', 'X', 2 ],
  [ 'B', 'X', 2 ],
  [ 'C', 'X', 2 ],
  [ 'A', 'Y', 2 ],
  [ 'B', 'Y', 2 ],
  [ 'C', 'Y', 2 ],
  [ 'A', 'Z', 2 ],
  [ 'B', 'Z', 2 ],
  [ 'C', 'Z', 2 ] ]

Methods

Short-list

• .trimEnd(...)
• .trimStart(...)
• .interpolateShort(...)

long-list

• .repeatFirst(...)
• .repeatLast(...)
• .wrap(...)
• .flip(...)
• .holistic(...)

MIT LICENSE