/**
 * Location Utils.
 *
 * @export
 * @abstract
 * @class LocationUtils
 */
export abstract class LocationUtils {
    /**
     * Get URL Search Params as an object from `location.search`.
     *
     * The values inside the Search Params are decoded using
     * `decodeURIComponent`.
     *
     * @static
     * @return {*} Search Params.
     * @memberof LocationUtils
     */
    public static getURLSearchParams(): { [key: string]: string } {
        const params: { [key: string]: string } = {};
        let search = window.location.search || "";

        if (search == null || search.length === 0) {
            return {};
        }

        if (search.includes("?")) {
            search = search.slice(1);
        }

        const pairs = search.split("&");
        for (const pair of pairs) {
            const parts = pair.split("=");
            const key = parts[0];

            if (parts.length > 0) {
                params[key] = decodeURIComponent(parts[1]);
            } else {
                params[key] = "";
            }
        }

        return params;
    }
}