Function constructSelectEvent

docs/index.js:5763–5799

(dispatchQueue, nativeEvent, nativeEventTarget)

  lastSelection = null,
  mouseDown = !1;
function constructSelectEvent(dispatchQueue, nativeEvent, nativeEventTarget) {
  var doc =
    nativeEventTarget.window === nativeEventTarget
      ? nativeEventTarget.document
      : 9 === nativeEventTarget.nodeType
        ? nativeEventTarget
        : nativeEventTarget.ownerDocument;
  mouseDown ||
    null == activeElement ||
    activeElement !== getActiveElement(doc) ||
    ((doc = activeElement),
    "selectionStart" in doc && hasSelectionCapabilities(doc)
      ? (doc = { start: doc.selectionStart, end: doc.selectionEnd })
      : ((doc = (
          (doc.ownerDocument && doc.ownerDocument.defaultView) ||
          window
        ).getSelection()),
        (doc = {
          anchorNode: doc.anchorNode,
          anchorOffset: doc.anchorOffset,
          focusNode: doc.focusNode,
          focusOffset: doc.focusOffset
        })),
    (lastSelection && shallowEqual(lastSelection, doc)) ||
      ((lastSelection = doc),
      (doc = accumulateTwoPhaseListeners(activeElementInst, "onSelect")),
      0 < doc.length &&
        ((nativeEvent = new SyntheticEvent(
          "onSelect",
          "select",
          null,
          nativeEvent,
          nativeEventTarget
        )),
        dispatchQueue.push({ event: nativeEvent, listeners: doc }),
        (nativeEvent.target = activeElement))));
}
function makePrefixMap(styleProp, eventName) {
  var prefixes = {};
  prefixes[styleProp.toLowerCase()] = eventName.toLowerCase();