mirror of
https://github.com/musix-org/musix-oss
synced 2024-12-23 16:13:18 +00:00
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
|
var arrayReduceRight = require('./_arrayReduceRight'),
|
||
|
|
baseEachRight = require('./_baseEachRight'),
|
||
|
|
baseIteratee = require('./_baseIteratee'),
|
||
|
|
baseReduce = require('./_baseReduce'),
|
||
|
|
isArray = require('./isArray');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method is like `_.reduce` except that it iterates over elements of
|
||
|
|
* `collection` from right to left.
|
||
|
|
*
|
||
|
|
* @static
|
||
|
|
* @memberOf _
|
||
|
|
* @since 0.1.0
|
||
|
|
* @category Collection
|
||
|
|
* @param {Array|Object} collection The collection to iterate over.
|
||
|
|
* @param {Function} [iteratee=_.identity] The function invoked per iteration.
|
||
|
|
* @param {*} [accumulator] The initial value.
|
||
|
|
* @returns {*} Returns the accumulated value.
|
||
|
|
* @see _.reduce
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* var array = [[0, 1], [2, 3], [4, 5]];
|
||
|
|
*
|
||
|
|
* _.reduceRight(array, function(flattened, other) {
|
||
|
|
* return flattened.concat(other);
|
||
|
|
* }, []);
|
||
|
|
* // => [4, 5, 2, 3, 0, 1]
|
||
|
|
*/
|
||
|
|
function reduceRight(collection, iteratee, accumulator) {
|
||
|
|
var func = isArray(collection) ? arrayReduceRight : baseReduce,
|
||
|
|
initAccum = arguments.length < 3;
|
||
|
|
|
||
|
|
return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = reduceRight;
|