Interface ParamMap

packages/router/src/shared.ts:47–73

 * @publicApi
 */
export interface ParamMap {
  /**
   * Reports whether the map contains a given parameter.
   * @param name The parameter name.
   * @returns True if the map contains the given parameter, false otherwise.
   */
  has(name: string): boolean;
  /**
   * Retrieves a single value for a parameter.
   * @param name The parameter name.
   * @return The parameter's single value,
   * or the first value if the parameter has multiple values,
   * or `null` when there is no such parameter.
   */
  get(name: string): string | null;
  /**
   * Retrieves multiple values for a parameter.
   * @param name The parameter name.
   * @return An array containing one or more values,
   * or an empty array if there is no such parameter.
   *
   */
  getAll(name: string): string[];

  /** Names of the parameters in the map. */
  readonly keys: string[];
}

class ParamsAsMap implements ParamMap {
  private params: Params;