cross-reference data combinations
npm install combinatoricsjs
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
$3
* .trimEnd(...)
* .trimStart(...)
* .interpolateShort(...)
$3
* .repeatFirst(...)
* .repeatLast(...)
* .wrap(...)
* .flip(...)
* .holistic(...)`