1.0.3 • Published 5 years ago
@arr/reduceright v1.0.3
@arr/reduceright
A tiny, faster alternative to native
Array.prototype.reduceRight
Install
$ npm install --save @arr/reducerightUsage
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
reduceRightwas 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