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array-rearrange

2.2.2
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  • License MIT

Rearrange array elements by index array

Package Exports

  • array-rearrange

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (array-rearrange) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

array-rearrange experimental Build Status

Reorder elements within array by index.

npm install array-rearrange

const reorder = require('array-rearrange')

let arr = reorder([9,8,7,6], [3,2,1,0]) // [6,7,8,9]

let arr2 = reorder([3,3, 2,2, 1,1], [2,1,0]) // [1,1, 2,2, 3,3]

API

array = reorder(array, index, stride=1)

Shuffle elements in array according to the index array passed. Permutes original array. index array should contain unique indexes. Pass stride to indicate groups of elements to shuffle.

Originally based on the reference solution, which turns out to be wrong, so algorithm is fully rewritten.

See also