2015-01-08 00:37:01 -08:00
|
|
|
define([], function() {
|
|
|
|
|
|
|
|
|
|
/**
|
2015-12-16 17:53:20 -08:00
|
|
|
* The base implementation of `_.reduce` and `_.reduceRight`, without support
|
2016-01-24 18:06:10 -08:00
|
|
|
* for iteratee shorthands, which iterates over `collection` using `eachFunc`.
|
2015-01-08 00:37:01 -08:00
|
|
|
*
|
|
|
|
|
* @private
|
2015-12-16 17:53:20 -08:00
|
|
|
* @param {Array|Object} collection The collection to iterate over.
|
2015-01-08 00:37:01 -08:00
|
|
|
* @param {Function} iteratee The function invoked per iteration.
|
|
|
|
|
* @param {*} accumulator The initial value.
|
2016-03-26 00:00:01 -07:00
|
|
|
* @param {boolean} initAccum Specify using the first or last element of
|
|
|
|
|
* `collection` as the initial value.
|
2015-01-08 00:37:01 -08:00
|
|
|
* @param {Function} eachFunc The function to iterate over `collection`.
|
|
|
|
|
* @returns {*} Returns the accumulated value.
|
|
|
|
|
*/
|
2016-01-24 18:06:10 -08:00
|
|
|
function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
|
2015-01-08 00:37:01 -08:00
|
|
|
eachFunc(collection, function(value, index, collection) {
|
2016-01-24 18:06:10 -08:00
|
|
|
accumulator = initAccum
|
|
|
|
|
? (initAccum = false, value)
|
2015-12-16 17:46:22 -08:00
|
|
|
: iteratee(accumulator, value, index, collection);
|
2015-01-08 00:37:01 -08:00
|
|
|
});
|
|
|
|
|
return accumulator;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return baseReduce;
|
|
|
|
|
});
|
