feat(parser): add TS1363 error code

crates/oxc_linter/src/rules/import/no_empty_named_blocks.rs

@@ -98,7 +98,8 @@ fn test() {
         "import Default, { mod } from 'mod'",
         "import { Named } from 'mod'",
         "import type { Named } from 'mod'",
-        "import type Default, { Named } from 'mod'",
+        // "import type Default, { Named } from 'mod'", ts error 1363
+        "import type Default from 'mod'",
         "import type * as Namespace from 'mod'",
         "import * as Namespace from 'mod'",
         r#"

crates/oxc_linter/src/rules/typescript/no_import_type_side_effects.rs

@@ -148,7 +148,7 @@ fn test() {
         "import { type T, U } from 'mod';",
         "import { T, type U } from 'mod';",
         "import type T from 'mod';",
-        "import type T, { U } from 'mod';",
+        // "import type T, { U } from 'mod';", ts error 1363
         "import T, { type U } from 'mod';",
         "import type * as T from 'mod';",
         "import 'mod';",

crates/oxc_linter/src/rules/unicorn/require_module_specifiers.rs

@@ -161,7 +161,7 @@ fn test() {
         r#"import {foo} from "foo""#,
         r#"import foo,{bar} from "foo""#,
         r#"import type foo from "foo""#,
-        r#"import type foo,{bar} from "foo""#,
+        // r#"import type foo,{bar} from "foo""#, ts error 1363
         r#"import foo,{type bar} from "foo""#,
         "const foo = 1;
 			export {foo};",

crates/oxc_parser/src/diagnostics.rs

@@ -343,6 +343,16 @@ pub fn implements_clause_already_seen(span: Span, seen_span: Span) -> OxcDiagnos
         .with_help("Merge the two 'implements' clauses into one by a ','")
 }
 
+// A type-only import can specify a default import or named bindings, but not both. ts(1363)
+#[cold]
+pub fn type_only_import_default_and_named(specifier_span: Span) -> OxcDiagnostic {
+    ts_error(
+        "1363",
+        "A type-only import can specify a default import or named bindings, but not both.",
+    )
+    .with_label(specifier_span)
+}
+
 #[cold]
 pub fn binding_rest_element_last(span: Span) -> OxcDiagnostic {
     OxcDiagnostic::error("A rest element must be last in a destructuring pattern").with_label(span)

crates/oxc_parser/src/js/module.rs

@@ -1274,17 +1274,6 @@ mod test {
             assert_eq!(specifiers[0].name(), "defer");
         });
 
-        let src = "import type foo, { bar } from 'bar';";
-        parse_and_assert_import_declarations(src, |declarations| {
-            assert_eq!(declarations.len(), 1);
-            let decl = declarations[0];
-            assert_eq!(decl.import_kind, ImportOrExportKind::Type);
-            let specifiers = decl.specifiers.as_ref().unwrap();
-            assert_eq!(specifiers.len(), 2);
-            assert_eq!(specifiers[0].name(), "foo");
-            assert_eq!(specifiers[1].name(), "bar");
-        });
-
         let src = "import foo = bar";
         parse_and_assert_statements(src, |statements| {
             if let Statement::TSImportEqualsDeclaration(decl) = statements[0] {

crates/oxc_parser/src/module_record.rs

@@ -37,35 +37,71 @@ impl<'a> ModuleRecordBuilder<'a> {
     pub fn errors(&self) -> std::vec::Vec<OxcDiagnostic> {
         let mut errors = vec![];
 
+        let module_record = &self.module_record;
+
         // Skip checking for exports in TypeScript
         if self.source_type.is_typescript() {
-            return errors;
-        }
-
-        let module_record = &self.module_record;
+            // TS1363: A type-only import can specify a default import or named bindings, but not both.
+            // Group import entries by statement and check only those statements that are type-only imports.
+            if !module_record.import_entries.is_empty() {
+                // Build map of type-only import statement spans -> (has_default, has_named).
+                // `requested_modules` contains entries for both imports and exports, so filter is_import && is_type.
+                let mut seen: rustc_hash::FxHashMap<Span, (bool, bool)> =
+                    rustc_hash::FxHashMap::default();
+                for requests in module_record.requested_modules.values() {
+                    for req in requests {
+                        if req.is_import && req.is_type {
+                            seen.entry(req.statement_span).or_insert((false, false));
+                        }
+                    }
+                }
+                if !seen.is_empty() {
+                    for entry in &module_record.import_entries {
+                        if let Some(lookup) = seen.get_mut(&entry.statement_span) {
+                            match &entry.import_name {
+                                ImportImportName::Default(_) => lookup.0 = true,
+                                ImportImportName::Name(_) | ImportImportName::NamespaceObject => {
+                                    lookup.1 = true;
+                                }
+                            }
+                        }
+                    }
+                    for (stmt_span, (has_default, has_named)) in seen {
+                        if has_default && has_named {
+                            errors.push(diagnostics::type_only_import_default_and_named(stmt_span));
+                        }
+                    }
+                }
+            }
+        } else {
+            // It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries.
+            for name_span in &self.exported_bindings_duplicated {
+                let old_span = module_record.exported_bindings[&name_span.name];
+                errors.push(diagnostics::duplicate_export(
+                    &name_span.name,
+                    name_span.span,
+                    old_span,
+                ));
+            }
 
-        // It is a Syntax Error if the ExportedNames of ModuleItemList contains any duplicate entries.
-        for name_span in &self.exported_bindings_duplicated {
-            let old_span = module_record.exported_bindings[&name_span.name];
-            errors.push(diagnostics::duplicate_export(&name_span.name, name_span.span, old_span));
+            // Multiple default exports
+            // `export default foo`
+            // `export { default }`
+            let default_exports = module_record
+                .local_export_entries
+                .iter()
+                .filter_map(|export_entry| export_entry.export_name.default_export_span())
+                .chain(
+                    module_record
+                        .indirect_export_entries
+                        .iter()
+                        .filter_map(|export_entry| export_entry.export_name.default_export_span()),
+                );
+            if default_exports.clone().count() > 1 {
+                errors.push(diagnostics::duplicate_default_export(default_exports));
+            }
         }
 
-        // Multiple default exports
-        // `export default foo`
-        // `export { default }`
-        let default_exports = module_record
-            .local_export_entries
-            .iter()
-            .filter_map(|export_entry| export_entry.export_name.default_export_span())
-            .chain(
-                module_record
-                    .indirect_export_entries
-                    .iter()
-                    .filter_map(|export_entry| export_entry.export_name.default_export_span()),
-            );
-        if default_exports.clone().count() > 1 {
-            errors.push(diagnostics::duplicate_default_export(default_exports));
-        }
         errors
     }
 

tasks/coverage/snapshots/parser_babel.snap

@@ -3,7 +3,7 @@ commit: 761c2509
 parser_babel Summary:
 AST Parsed     : 2223/2235 (99.46%)
 Positive Passed: 2203/2235 (98.57%)
-Negative Passed: 1646/1696 (97.05%)
+Negative Passed: 1647/1696 (97.11%)
 Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/es2022/private-in/invalid-private-followed-by-in-2/input.js
 
 Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/es2026/async-explicit-resource-management/invalid-script-top-level-using-binding/input.js
@@ -90,8 +90,6 @@ Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/ty
 
 Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/typescript/types/const-type-parameters-invalid/input.ts
 
-Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/typescript/types/import-type-declaration-error/input.ts
-
 Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/typescript/types/invalid-import-type-options-escaped-with/input.ts
 
 Expect Syntax Error: tasks/coverage/babel/packages/babel-parser/test/fixtures/typescript/types/invalid-import-type-options-string-with/input.ts
@@ -14290,6 +14288,12 @@ Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/typesc
    ·                      ─────
    ╰────
 
+  × TS(1363): A type-only import can specify a default import or named bindings, but not both.
+   ╭─[babel/packages/babel-parser/test/fixtures/typescript/types/import-type-declaration-error/input.ts:1:1]
+ 1 │ import type FooDefault, { Bar, Baz } from "module";
+   · ───────────────────────────────────────────────────
+   ╰────
+
   × TS(1141): String literal expected.
    ╭─[babel/packages/babel-parser/test/fixtures/typescript/types/import-type-dynamic-errors/input.ts:1:17]
  1 │ type X = import(3);

tasks/coverage/snapshots/parser_typescript.snap

@@ -19906,12 +19906,10 @@ Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/parser/ecmasc
    ·        ╰── Opened here
    ╰────
 
-  × Expected `from` but found `Identifier`
-   ╭─[typescript/tests/cases/conformance/externalModules/typeOnly/grammarErrors.ts:1:13]
- 1 │ import type A from './a';
-   ·             ┬
-   ·             ╰── `from` expected
- 2 │ export type { A };
+  × TS(1363): A type-only import can specify a default import or named bindings, but not both.
+   ╭─[typescript/tests/cases/conformance/externalModules/typeOnly/grammarErrors.ts:1:1]
+ 1 │ import type A, { B, C } from './a';
+   · ───────────────────────────────────
    ╰────
 
   × Expected `,` or `}` but found `as`

tasks/track_memory_allocations/allocs_parser.snap

@@ -2,7 +2,7 @@ File                       | File size      || Sys allocs     | Sys reallocs   |
 -------------------------------------------------------------------------------------------------------------------------------------------
 checker.ts                 | 2.92 MB        ||           9672 |             21 ||         267681 |          22847
 
-cal.com.tsx                | 1.06 MB        ||           1083 |             49 ||         138162 |          13699
+cal.com.tsx                | 1.06 MB        ||           1091 |             49 ||         138162 |          13699
 
 RadixUIAdoptionSection.jsx | 2.52 kB        ||              1 |              0 ||            365 |             66