Function getData

code/new-context-api/public/app.js:2162–2190

()

}

function getData() {
  if (compositionState._fallbackText) {
    return compositionState._fallbackText;
  }

  var start = void 0;
  var startValue = compositionState._startText;
  var startLength = startValue.length;
  var end = void 0;
  var endValue = getText();
  var endLength = endValue.length;

  for (start = 0; start < startLength; start++) {
    if (startValue[start] !== endValue[start]) {
      break;
    }
  }

  var minEnd = startLength - start;
  for (end = 1; end <= minEnd; end++) {
    if (startValue[startLength - end] !== endValue[endLength - end]) {
      break;
    }
  }

  var sliceTail = end > 1 ? 1 - end : undefined;
  compositionState._fallbackText = endValue.slice(start, sliceTail);
  return compositionState._fallbackText;
}

function getText() {
  if ('value' in compositionState._root) {