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36 líneas
1.1 KiB
36 líneas
1.1 KiB
var baseDifference = require('./_baseDifference'),
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baseFlatten = require('./_baseFlatten'),
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baseUniq = require('./_baseUniq');
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/**
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* The base implementation of methods like `_.xor`, without support for
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* iteratee shorthands, that accepts an array of arrays to inspect.
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*
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* @private
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* @param {Array} arrays The arrays to inspect.
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* @param {Function} [iteratee] The iteratee invoked per element.
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* @param {Function} [comparator] The comparator invoked per element.
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* @returns {Array} Returns the new array of values.
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*/
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function baseXor(arrays, iteratee, comparator) {
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var length = arrays.length;
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if (length < 2) {
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return length ? baseUniq(arrays[0]) : [];
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}
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var index = -1,
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result = Array(length);
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while (++index < length) {
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var array = arrays[index],
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othIndex = -1;
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while (++othIndex < length) {
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if (othIndex != index) {
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result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
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}
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}
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}
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return baseUniq(baseFlatten(result, 1), iteratee, comparator);
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}
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module.exports = baseXor;
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