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@arr/reduceright

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  • License MIT

A tiny, faster alternative to native Array.prototype.reduceRight

Package Exports

  • @arr/reduceright

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 (@arr/reduceright) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

@arr/reduceright

A tiny, faster alternative to native Array.prototype.reduceRight

Install

$ npm install --save @arr/reduceright

Usage

import reduceRight from '@arr/reduceright';

reduceRight([[0, 1], [2, 3], [4, 5]], (a, b) => a.concat(b), []);
//=> [4, 5, 2, 3, 0, 1]

API

reduceRight(arr, callback[, initialValue])

arr

Type: Array
The array to iterate upon.

callback(accumulator, value, index, array)

Type: Function
Function to test for each element, taking four arguments:

  • accumulator -- The value previously returned in the last invocation of the callback, or initialValue, if supplied.
  • value -- The current element being processed in the array.
  • index -- The index of the current element being processed in the array.
  • array -- The array reduceRight was called upon.

initialValue

Type: Mixed
Default: arr[-1]
The value to use as the first argument to the first call of the callback. If no initial value is supplied, the last element in the array will be used.

License

MIT © Luke Edwards