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24 lines
909 B
24 lines
909 B
2 years ago
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/**
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* The base implementation of `_.reduce` and `_.reduceRight`, without support
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* for iteratee shorthands, which iterates over `collection` using `eachFunc`.
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*
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* @private
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* @param {Array|Object} collection The collection to iterate over.
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* @param {Function} iteratee The function invoked per iteration.
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* @param {*} accumulator The initial value.
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* @param {boolean} initAccum Specify using the first or last element of
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* `collection` as the initial value.
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* @param {Function} eachFunc The function to iterate over `collection`.
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* @returns {*} Returns the accumulated value.
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*/
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function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
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eachFunc(collection, function(value, index, collection) {
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accumulator = initAccum
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? (initAccum = false, value)
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: iteratee(accumulator, value, index, collection);
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});
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return accumulator;
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}
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module.exports = baseReduce;
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