@wezom/toolkit-array/dist/add-unique.js

Useful tools for working with Arrays

'use strict';

var clone = require('./clone.js');

/**
 * Clones an array and puts only unique elements there
 * @immutable
 */
function addUnique(array, items, predicate) {
	if (predicate === void 0) {
		predicate = function (clone, item) {
			return clone.indexOf(item) === -1;
		};
	}
	var clone$1 = clone(array);
	items.forEach(function (item) {
		if (predicate(clone$1, item)) {
			clone$1.push(item);
		}
	});
	return clone$1;
}

module.exports = addUnique;