Utilities for working with preact-router

url-util.ts

const { exec, getCurrentUrl } = require('preact-router');

export namespace urlUtil {
  export const getUrlParameter = (name: string, location: Pick<Location, 'pathname' | 'search'>): string | null => {
    if (typeof window === 'undefined') {
      return null; // shim
    }
    const a = 'http://localhost' /* <-- dummy string for parsing */ + location.pathname + location.search;
    const url = new URL(a);
    return url.searchParams.has(name) ? url.searchParams.get(name) : null;
  };

  export const isMatching = (route: string) => {
    return exec(route, getCurrentUrl(), {}) !== false;
  };

  export const isActive = (route: string) => {
    return exec(getCurrentUrl(), route, {}) !== false;
  };
}