export class DOMAlign {

  constructor() {

  }

  public convertPointToScreen() {

  }

  public static getAbsoluteOuterCornerTopLeft(anchorEl: HTMLElement, targetEl: HTMLElement, ox: number = 0, oy: number = 0) {
    let ar = anchorEl.getBoundingClientRect()
    let tr = targetEl.getBoundingClientRect()
    return {
      b: ar.height - oy,
      l: - tr.width + ox,
      r: ar.width - ox,
      t: - tr.height + oy,
      fb: ar.top + oy <= window.innerHeight,
      fl: ar.left - tr.width + ox >= 0,
      fr: ar.left + ox <= window.innerWidth,
      ft: ar.top - tr.height + oy >= 0
    }
  }

}