clone method

@override Expression<T> clone(Map<String, ExpressionProviderElement> elementMap)

Implementation

@override
Expression<T> clone(Map<String, ExpressionProviderElement> elementMap) {
  // Need to extract last expression provider from the original path
  var expressionProviderElement = elementMap[expressionPath[0]]!;
  late ExpressionProvider expressionProvider;

  var isLastItemElement = true;
  for (var i = 1; i < expressionPath.length; i++) {
    isLastItemElement = false;
    var propertyName = expressionPath[i];
    expressionProvider =
        expressionProviderElement.getExpressionProvider(propertyName);
    if (expressionProvider is ExpressionProvider<ExpressionProviderElement>) {
      expressionProviderElement =
          expressionProvider.getExpression().evaluate();
      isLastItemElement = true;
    }
  }
  if (isLastItemElement) {
    expressionProvider = expressionProviderElement.getExpressionProvider();
  }
  return DelegateExpression<T>(
      expressionPath, expressionProvider as ExpressionProvider<T>);
}