| 1 | /**
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| 2 | * A specialized version of `baseAggregator` for arrays.
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| 3 | *
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| 4 | * @private
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| 5 | * @param {Array} [array] The array to iterate over.
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| 6 | * @param {Function} setter The function to set `accumulator` values.
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| 7 | * @param {Function} iteratee The iteratee to transform keys.
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| 8 | * @param {Object} accumulator The initial aggregated object.
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| 9 | * @returns {Function} Returns `accumulator`.
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| 10 | */
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| 11 | function arrayAggregator(array, setter, iteratee, accumulator) {
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| 12 | var index = -1,
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| 13 | length = array == null ? 0 : array.length;
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| 14 |
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| 15 | while (++index < length) {
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| 16 | var value = array[index];
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| 17 | setter(accumulator, value, iteratee(value), array);
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| 18 | }
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| 19 | return accumulator;
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| 20 | }
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| 21 |
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| 22 | module.exports = arrayAggregator;
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