d2-ui/node_modules-v25.0.x/d2-utilizr/lib/arrayDifference.js

d2-ui

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = arrayDifference;

var _arrayUnique = require('./arrayUnique');

var _arrayUnique2 = _interopRequireDefault(_arrayUnique);

var _arrayContains = require('./arrayContains');

var _arrayContains2 = _interopRequireDefault(_arrayContains);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 *
 * @param {Array} array1
 * @param {Array} array2
 * @param {boolean} biDirectional False returns A-B while true returns A-B concat B-A
 * @returns {Array}
 *
 * @throws {TypeError} When `filter` can not be found on `array`. This generally happens when the array is `null` or `undefined`
 *
 * @example
 * const a = [1, 2];
 * const b = [1, 3];
 * difference(a, b) // returns: [2]
 * difference(a, b, true) // returns: [2, 3]
 */
function arrayDifference(array1, array2, biDirectional) {
    return (0, _arrayUnique2.default)(array1.filter(function (item) {
        return !(0, _arrayContains2.default)(array2, item);
    }).concat(biDirectional === true ? array2.filter(function (item) {
        return !(0, _arrayContains2.default)(array1, item);
    }) : []));
}
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