beeblebrox3 / star

export default {

    /**

     * Sort an array of objects by one prop of objects

     * @param {Array} data

     * @param {String} prop

     * @param {String} direction defines if sort should be asc or desc

     */

    sortByObjectKey: function (data, prop, direction = "asc") {

        if (["asc", "desc"].indexOf(direction) === -1) {

            throw new Error("Direction should be asc or desc");

        }

        return data.sort((a, b) => {

            let response = 0,

                ap = a[prop],

                bp = b[prop];

            if (ap < bp) {

                response = direction === "asc" ? -1 : 1;

            } else if (ap > bp) {

                response = direction === "asc" ? 1 : -1;

            }

            return response;

        });

    },

    /**

     * Filter objects from array that has key value in values

     * Example:

     * var arr = [{a: 1}, {a: 2}, {a: 3}]

     * App.helpers.array.filterBy("a", [1, 3], arr);

     *

     * The output will be:

     * [{a: 1}, {a: 3}]

     * @param key

     * @param values

     * @param items

     */

    filterBy: function (key, values, items) {

        return items.filter(item => values.indexOf(item[key]) > -1);

    }

}