public Node parseExportDefaultDeclaration(Node node)
{
Node declaration = null,
expression = null;
// covers:
// export default ...
expectKeyword("default");
if (matchKeyword("function"))
{
// covers:
// export default function foo () {}
// export default function () {}
declaration = parseFunctionDeclaration(new Node(), true);
return node.finishExportDefaultDeclaration(declaration);
}
if (matchKeyword("class"))
{
declaration = parseClassDeclaration(true);
return node.finishExportDefaultDeclaration(declaration);
}
if (matchContextualKeyword("from"))
{
throwError(string.Format(Messages.UnexpectedToken, lookahead.value));
}
// covers:
// export default {};
// export default [];
// export default (1 + 2);
if (match("{"))
{
expression = parseObjectInitializer();
}
else if (match("["))
{
expression = parseArrayInitializer();
}
else
{
expression = parseAssignmentExpression();
}
consumeSemicolon();
return node.finishExportDefaultDeclaration(expression);
}