Method get

packages/common/http/src/params.ts:211–215

* Retrieves the first value for a parameter. * @param param The parameter name. * @returns The first value of the given parameter, * or `null` if the parameter is not present.

(param: string)

   * or `null` if the parameter is not present.
   */
  get(param: string): string | null {
    this.init();
    const res = this.map!.get(param);
    return !!res ? res[0] : null;
  }

  /**
   * Retrieves all values for a  parameter.