descartes-sku.js/dist/test4.js

笛卡尔乘积算法、用于生成商品 sku

import { SKU2Descartes } from './index'

const arr1 = [ ['a'], ['b'], ['c'] ]
const descartes1 = new SKU2Descartes(arr1)
const result1 = descartes1.sku()

console.log('result1', result1)
// => [ [ 'a', 'b', 'c' ] ]

const arr2 = [
  [ 'a', 1 ], [ 'a', 2 ], [ 'a', 3 ], [ 'a', 4 ], [ 'a', 5 ],
  [ 'b', 1 ], [ 'b', 2 ], [ 'b', 3 ], [ 'b', 4 ], [ 'b', 5 ],
  [ 'c', 1 ], [ 'c', 2 ], [ 'c', 3 ], [ 'c', 4 ], [ 'c', 5 ]
]
const descartes2 = new SKU2Descartes(arr2)
const result2 = descartes2.sku()

console.log('result2', result2)
// => [['a', 'b', 'c'], [1, 2, 3, 4, 5]]

const arr3 = [
  [ '黄色', 'XL', 'aa' ], [ '黄色', 'XL', 'bb' ], [ '黄色', 'X', 'aa' ],
  [ '黄色', 'X', 'bb' ], [ '黄色', 'XXL', 'aa' ], [ '黄色', 'XXL', 'bb' ],
  [ '黄色', 'L', 'aa' ], [ '黄色', 'L', 'bb' ], [ '绿色', 'XL', 'aa' ],
  [ '绿色', 'XL', 'bb' ], [ '绿色', 'X', 'aa' ], [ '绿色', 'X', 'bb' ],
  [ '绿色', 'XXL', 'aa' ], [ '绿色', 'XXL', 'bb' ], [ '绿色', 'L', 'aa' ],
  [ '绿色', 'L', 'bb' ], [ '黑色', 'XL', 'aa' ], [ '黑色', 'XL', 'bb' ],
  [ '黑色', 'X', 'aa' ], [ '黑色', 'X', 'bb' ], [ '黑色', 'XXL', 'aa' ],
  [ '黑色', 'XXL', 'bb' ], [ '黑色', 'L', 'aa' ], [ '黑色', 'L', 'bb' ]
]
const descartes3 = new SKU2Descartes(arr3)
const result3 = descartes3.sku()

console.log('result3', result3)
// => [['黄色', '绿色', '黑色'], ['XL', 'X', 'XXL', 'L'], ['aa', 'bb']]

const arr4 = []
const descartes4 = new SKU2Descartes(arr4)
const result4 = descartes4.sku()

console.log('result4', result4)
// => []