24 lines
789 B
JavaScript
24 lines
789 B
JavaScript
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var arrayAggregator = require('./_arrayAggregator'),
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baseAggregator = require('./_baseAggregator'),
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baseIteratee = require('./_baseIteratee'),
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isArray = require('./isArray');
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/**
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* Creates a function like `_.groupBy`.
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*
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* @private
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* @param {Function} setter The function to set accumulator values.
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* @param {Function} [initializer] The accumulator object initializer.
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* @returns {Function} Returns the new aggregator function.
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*/
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function createAggregator(setter, initializer) {
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return function(collection, iteratee) {
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var func = isArray(collection) ? arrayAggregator : baseAggregator,
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accumulator = initializer ? initializer() : {};
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return func(collection, setter, baseIteratee(iteratee, 2), accumulator);
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};
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}
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module.exports = createAggregator;
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