12345678910111213141516171819202122232425262728293031323334353637 |
- var baseDifference = require('./_baseDifference'),
- baseFlatten = require('./_baseFlatten'),
- baseUniq = require('./_baseUniq');
- /**
- * The base implementation of methods like `_.xor`, without support for
- * iteratee shorthands, that accepts an array of arrays to inspect.
- *
- * @private
- * @param {Array} arrays The arrays to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of values.
- */
- function baseXor(arrays, iteratee, comparator) {
- var length = arrays.length;
- if (length < 2) {
- return length ? baseUniq(arrays[0]) : [];
- }
- var index = -1,
- result = Array(length);
- while (++index < length) {
- var array = arrays[index],
- othIndex = -1;
- while (++othIndex < length) {
- if (othIndex != index) {
- result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
- }
- }
- }
- return baseUniq(baseFlatten(result, 1), iteratee, comparator);
- }
- module.exports = baseXor;
|