| 1 | var baseEach = require('./_baseEach');
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| 2 |
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| 3 | /**
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| 4 | * Aggregates elements of `collection` on `accumulator` with keys transformed
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| 5 | * by `iteratee` and values set by `setter`.
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| 6 | *
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| 7 | * @private
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| 8 | * @param {Array|Object} collection The collection to iterate over.
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| 9 | * @param {Function} setter The function to set `accumulator` values.
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| 10 | * @param {Function} iteratee The iteratee to transform keys.
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| 11 | * @param {Object} accumulator The initial aggregated object.
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| 12 | * @returns {Function} Returns `accumulator`.
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| 13 | */
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| 14 | function baseAggregator(collection, setter, iteratee, accumulator) {
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| 15 | baseEach(collection, function(value, key, collection) {
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| 16 | setter(accumulator, value, iteratee(value), collection);
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| 17 | });
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| 18 | return accumulator;
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| 19 | }
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| 20 |
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| 21 | module.exports = baseAggregator;
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