Function hasSelectionCapabilities

code/third-party/public/app.js:5739–5742

* @ReactInputSelection: React input selection module. Based on Selection.js, * but modified to be suitable for react and has a couple of bug fixes (doesn't * assume buttons have range selections allowed). * Input selection module for React.

(elem)

 */

function hasSelectionCapabilities(elem) {
  var nodeName = elem && elem.nodeName && elem.nodeName.toLowerCase();
  return nodeName && (nodeName === 'input' && elem.type === 'text' || nodeName === 'textarea' || elem.contentEditable === 'true');
}

function getSelectionInformation() {
  var focusedElem = getActiveElement();