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Текущая директория: /usr/lib/node_modules/bitgo-express/node_modules/lodash

Просмотр файла: xorBy.js

var arrayFilter = require('./_arrayFilter'),
    baseIteratee = require('./_baseIteratee'),
    baseXor = require('./_baseXor'),
    isArrayLikeObject = require('./isArrayLikeObject'),
    last = require('./last'),
    rest = require('./rest');

/**
 * This method is like `_.xor` except that it accepts `iteratee` which is
 * invoked for each element of each `arrays` to generate the criterion by
 * which by which they're compared. The iteratee is invoked with one argument:
 * (value).
 *
 * @static
 * @memberOf _
 * @since 4.0.0
 * @category Array
 * @param {...Array} [arrays] The arrays to inspect.
 * @param {Array|Function|Object|string} [iteratee=_.identity]
 *  The iteratee invoked per element.
 * @returns {Array} Returns the new array of filtered values.
 * @example
 *
 * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
 * // => [1.2, 3.4]
 *
 * // The `_.property` iteratee shorthand.
 * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
 * // => [{ 'x': 2 }]
 */
var xorBy = rest(function(arrays) {
  var iteratee = last(arrays);
  if (isArrayLikeObject(iteratee)) {
    iteratee = undefined;
  }
  return baseXor(arrayFilter(arrays, isArrayLikeObject), baseIteratee(iteratee));
});

module.exports = xorBy;

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