public Node parseExportNamedDeclaration(Node node)
{
Node declaration = null;
bool isExportFromIdentifier = false;
string src = null;
List<Node> specifiers = new List<Node>();
// non-default export
if (lookahead.type == TokenType.Keyword)
{
// covers:
// export var f = 1;
switch (lookahead.value)
{
case "let":
case "const":
case "var":
case "class":
case "function":
declaration = parseStatementListItem();
return node.finishExportNamedDeclaration(declaration, specifiers, null);
}
}
expect("{");
while (!match("}"))
{
isExportFromIdentifier = isExportFromIdentifier || matchKeyword("default");
specifiers.Add(parseExportSpecifier());
if (!match("}"))
{
expect(",");
if (match("}"))
{
break;
}
}
}
expect("}");
if (matchContextualKeyword("from"))
{
// covering:
// export {default} from "foo";
// export {foo} from "foo";
lex();
//src = parseModuleSpecifier();
consumeSemicolon();
}
else if (isExportFromIdentifier)
{
// covering:
// export {default}; // missing fromClause
throwError(lookahead.value != null
? Messages.UnexpectedToken
: Messages.MissingFromClause, lookahead.value);
}
else
{
// cover
// export {foo};
consumeSemicolon();
}
return node.finishExportNamedDeclaration(declaration, specifiers, src);
}
