fix(parser): forbid invalid modifiers on module and global

Author: overlookmotel

crates/oxc_parser/src/ts/statement.rs

@@ -334,6 +334,12 @@ impl<'a> ParserImpl<'a> {
             self.asi();
             None
         };
+        self.verify_modifiers(
+            modifiers,
+            ModifierFlags::DECLARE,
+            true,
+            diagnostics::modifier_cannot_be_used_here,
+        );
         self.ast.alloc_ts_module_declaration(
             self.end_span(span),
             id,
@@ -393,6 +399,13 @@ impl<'a> ParserImpl<'a> {
 
         let body = self.parse_ts_module_block().unbox();
 
+        self.verify_modifiers(
+            modifiers,
+            ModifierFlags::DECLARE,
+            true,
+            diagnostics::modifier_cannot_be_used_here,
+        );
+
         self.ast.alloc_ts_global_declaration(
             self.end_span(span),
             keyword_span,

tasks/coverage/snapshots/parser_typescript.snap

@@ -9688,6 +9688,15 @@ Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/statements/Va
  327 │     namespace m2 {
      ╰────
 
+  × 'export' modifier cannot be used here.
+     ╭─[typescript/tests/cases/compiler/privacyImportParseErrors.ts:326:9]
+ 325 │ 
+ 326 │ declare export module "anotherParseError2" {
+     ·         ──────
+ 327 │     namespace m2 {
+     ╰────
+  help: Only 'declare' modifier is allowed here.
+
   × Unexpected token
    ╭─[typescript/tests/cases/compiler/privateNameJsx.tsx:4:22]
  3 │     render() {