simple cookie storage for browser

simple-cookie-browser.ts

export class CookieStorage {
  get cookie(): string {
    return document.cookie;
  }
  /**
   * Get cookie value by key
   * @param key
   */
  get(key: string): string | null {
    const result = new RegExp(
      `(?:^|; )${encodeURIComponent(key)}=([^;]*)`
    ).exec(this.cookie);
    return result ? result[1] : null;
  }

  /**
   * Set cookie value by key
   * @param key
   * @param value
   * @param attributes
   */
  set(key: string, value: string, expires?: Date) {
    let cookie = `${key}=${value} ; path=/`;
    if (expires) {
      cookie += `; expires=${expires.toUTCString()}`;
    }
    document.cookie = cookie;
  }

  /**
   * Clear cookie value by key
   * @param key
   */
  clear(key: string) {
    this.set(key, '', new Date(Date.now() - 1));
  }
  /**
   * Clear all cookies
   */
  clearAll() {
    let cookies = document.cookie.split(';');
    cookies.map(cookie => cookie.split('=')[0]).forEach(v => this.clear(v));
  }
}

export namespace CookieStorage {
  /* eslint-disable no-inner-declarations */
  export function getCookieStorage(): CookieStorage | null {
    if (process.browser) {
      return new CookieStorage();
    }
    return null;
  }
}