convertionanalytics-tracking/lib/helpers/getWindowProfile.js

Track events - custom user actions, clicks, pageviews, purchases.

export function getWindowProfile(){
  var body, html, output;

  if ('undefined' == typeof document) return {};

  body = document.body || {};
  html = document.documentElement || {};

  output = {
    'height': ('innerHeight' in window) ? window.innerHeight : document.documentElement.offsetHeight,
    'width': ('innerWidth' in window) ? window.innerWidth : document.documentElement.offsetWidth,
    'scrollHeight': Math.max( body.scrollHeight, body.offsetHeight, html.clientHeight, html.scrollHeight, html.offsetHeight ) || null
  };

  if (window.screen) {
    output.ratio = {
      'height': (window.screen.availHeight) ? parseFloat( (window.innerHeight/window.screen.availHeight).toFixed(2) ) : null,
      'width': (window.screen.availWidth) ? parseFloat( (window.innerWidth/window.screen.availWidth).toFixed(2) ) : null
    };
  }

  return output;
}

/*
  Notes:
    document.documentElement.offsetHeight/Width is a workaround for IE8 and below, where window.innerHeight/Width is undefined
*/