import { window } from './facade/browser';

export class Utils {
  static reflow(element: any): void {
    ((bs: any): void => bs)(element.offsetHeight);
  }

  // source: https://github.com/jquery/jquery/blob/master/src/css/var/getStyles.js
  static getStyles(elem: any): any {
    // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
    // IE throws on elements created in popups
    // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
    let view = elem.ownerDocument.defaultView;

    if (!view || !view.opener) {
      view = window;
    }

    return view.getComputedStyle(elem);
  }
}