D-Net

export class HelperFunctions {

  public static scroll() {

    if (typeof document !== 'undefined') {

      window.scrollTo(0, 0);

    }

  }

  public static isTiny(url: string) {

    return (url.indexOf('tinyurl.com') !== -1);

  }

  public static copy(obj: any): any {

    let copy;

    // Handle the 3 simple types, and null or undefined

    if (null == obj || "object" != typeof obj) return obj;

    // Handle Date

    if (obj instanceof Date) {

      copy = new Date();

      copy.setTime(obj.getTime());

      return copy;

    }

    // Handle Array

    if (obj instanceof Array) {

      copy = [];

      for (let i = 0, len = obj.length; i < len; i++) {

        copy[i] = HelperFunctions.copy(obj[i]);

      }

      return copy;

    }

    // Handle Map

    if (obj instanceof Map) {

      return new Map(obj.entries());

    }

    // Handle Object

    if (obj instanceof Object) {

      copy = {};

      for (let attr in obj) {

        if (obj.hasOwnProperty(attr)) {

          copy[attr] = HelperFunctions.copy(obj[attr]);

        }

      }

      return copy;

    }

    throw new Error("Unable to copy obj! Its type isn't supported.");

  }

  public static encodeArray(elements: string[]): string[] {

    let encoded: string[] = [];

    elements.forEach(element => {

      encoded.push(encodeURIComponent(element));

    });

    return encoded;

  }

}