Expression _unwrapTarget()

in lib/src/call_chain_visitor.dart [533:567]

• 22 lines of code
• 12 McCabe index (conditional complexity)

Expression _unwrapTarget(Expression node, List<_Selector> calls) {
  // Don't include things that look like static method or constructor
  // calls in the call chain because that tends to split up named
  // constructors from their class.
  if (SourceVisitor.looksLikeStaticCall(node)) return node;

  // Selectors.
  if (node is MethodInvocation && node.target != null) {
    return _unwrapSelector(node.target!, _MethodSelector(node), calls);
  }

  if (node is PropertyAccess && node.target != null) {
    return _unwrapSelector(node.target!, _PropertySelector(node), calls);
  }

  if (node is PrefixedIdentifier) {
    return _unwrapSelector(node.prefix, _PrefixedSelector(node), calls);
  }

  // Postfix expressions.
  if (node is IndexExpression && node.target != null) {
    return _unwrapPostfix(node, node.target!, calls);
  }

  if (node is FunctionExpressionInvocation) {
    return _unwrapPostfix(node, node.function, calls);
  }

  if (node is PostfixExpression && node.operator.type == TokenType.BANG) {
    return _unwrapPostfix(node, node.operand, calls);
  }

  // Otherwise, it isn't a selector so we're done.
  return node;
}