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36 lines
946 B
JavaScript
36 lines
946 B
JavaScript
9 years ago
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var arrayPush = require('../internal/arrayPush'),
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baseDifference = require('../internal/baseDifference'),
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baseUniq = require('../internal/baseUniq'),
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isArrayLike = require('../internal/isArrayLike');
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/**
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* Creates an array of unique values that is the [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
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* of the provided arrays.
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*
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* @static
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* @memberOf _
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* @category Array
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* @param {...Array} [arrays] The arrays to inspect.
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* @returns {Array} Returns the new array of values.
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* @example
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*
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* _.xor([1, 2], [4, 2]);
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* // => [1, 4]
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*/
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function xor() {
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var index = -1,
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length = arguments.length;
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while (++index < length) {
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var array = arguments[index];
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if (isArrayLike(array)) {
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var result = result
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? arrayPush(baseDifference(result, array), baseDifference(array, result))
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: array;
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}
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}
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return result ? baseUniq(result) : [];
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}
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module.exports = xor;
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