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LibJS: Update spec steps / links for the import-assertions proposal

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This proposal has reached stage 4 and been merged into the main ECMA-262
spec. See:

4e3450e
This commit is contained in:
Timothy Flynn 2025-04-28 15:03:56 -04:00 • committed by Tim Flynn
parent c1a3b95176
commit 3867a192a1
Notes: github-actions[bot] 2025-04-29 11:35:05 +00:00
17 changed files with 223 additions and 225 deletions
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33
Libraries/LibJS/Parser.cpp
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@ -1292,15 +1292,14 @@ RefPtr<MetaProperty const> Parser::try_parse_import_meta_expression()
return create_ast_node<MetaProperty>({ m_source_code, rule_start.position(), position() }, MetaProperty::Type::ImportMeta);
}
// https://tc39.es/ecma262/#prod-ImportCall
NonnullRefPtr<ImportCall const> Parser::parse_import_call()
{
auto rule_start = push_start();
// We use the extended definition:
// ImportCall[Yield, Await]:
// import(AssignmentExpression[+In, ?Yield, ?Await] ,opt)
// import(AssignmentExpression[+In, ?Yield, ?Await] ,AssignmentExpression[+In, ?Yield, ?Await] ,opt)
// From https://tc39.es/proposal-import-attributes/#sec-evaluate-import-call
// ImportCall[Yield, Await] :
// import ( AssignmentExpression[+In, ?Yield, ?Await] ,opt )
// import ( AssignmentExpression[+In, ?Yield, ?Await] , AssignmentExpression[+In, ?Yield, ?Await] ,opt )
consume(TokenType::Import);
consume(TokenType::ParenOpen);
@ -4597,7 +4596,7 @@ FlyString Parser::consume_string_value()
return value;
}
// WithClause, https://tc39.es/proposal-import-attributes/#prod-WithClause
// https://tc39.es/ecma262/#prod-WithClause
ModuleRequest Parser::parse_module_request()
{
// Does not include the 'from' since that is not always required.
@ -4651,13 +4650,12 @@ ModuleRequest Parser::parse_module_request()
static FlyString default_string_value = "default"_fly_string;
// https://tc39.es/ecma262/#prod-ImportDeclaration
NonnullRefPtr<ImportStatement const> Parser::parse_import_statement(Program& program)
{
// We use the extended syntax which adds:
// ImportDeclaration:
// import ImportClause FromClause WithClause[opt] ;
// import ModuleSpecifier WithClause[opt] ;
// From: https://tc39.es/proposal-import-attributes/#prod-ImportDeclaration
// ImportDeclaration :
// import ImportClause FromClause WithClauseopt ;
// import ModuleSpecifier WithClauseopt ;
auto rule_start = push_start();
if (program.type() != Program::Type::Module)
@ -4811,12 +4809,17 @@ NonnullRefPtr<ImportStatement const> Parser::parse_import_statement(Program& pro
return create_ast_node<ImportStatement>({ m_source_code, rule_start.position(), position() }, move(module_request), move(entries));
}
// https://tc39.es/ecma262/#prod-ExportDeclaration
NonnullRefPtr<ExportStatement const> Parser::parse_export_statement(Program& program)
{
// We use the extended syntax which adds:
// ExportDeclaration:
// export ExportFromClause FromClause [no LineTerminator here] WithClause ;
// From: https://tc39.es/proposal-import-attributes/#sec-exports
// ExportDeclaration:
// export ExportFromClause FromClause WithClauseopt ;
// export NamedExports ;
// export VariableStatement[~Yield, +Await]
// export Declaration[~Yield, +Await]
// export default HoistableDeclaration[~Yield, +Await, +Default]
// export default ClassDeclaration[~Yield, +Await, +Default]
// export default [lookahead ∉ { function, async [no LineTerminator here] function, class }] AssignmentExpression[+In, ~Yield, +Await] ;
auto rule_start = push_start();
if (program.type() != Program::Type::Module)