utils.ts

/**
 * Returns strict url address.
 *
 * @return string
 *
 * @example
 * const url: string = getHost() + '/following-url/';
 */
export const getHost = (apiUrl: string): string => {
    if (!apiUrl.startsWith('http')) {
        const url = window.location;
        return url.protocol + '//' + url.host + apiUrl;
    }
    return apiUrl;
}

/**
 * Sorts objects by the display property.
 *
 * @param  {number} a - The first object to sort.
 * @param  {number} b - The second object to sort.
 *
 * @example
 * [objects].sortByDisplay()
 */
export const sortByDisplay = (a, b) => a.display - b.display;