Module 985247

function(t,e,r){"use strict";var n=r(552597);t.exports=function(t){var e=t.getSelection();if(!e.rangeCount)return null;var r=n(e.getRangeAt(0)),i=r.top,o=r.right,a=r.bottom,s=r.left;return 0===i&&0===o&&0===a&&0===s?null:r}}