UnitTestBot · CaelmBleidd · Aug 31, 2026 · Aug 29, 2026
diff --git a/jacodb-ets/src/main/kotlin/org/jacodb/ets/dto/Convert.kt b/jacodb-ets/src/main/kotlin/org/jacodb/ets/dto/Convert.kt
@@ -852,6 +852,7 @@ fun ExportInfoDto.toEtsExportInfo(): EtsExportInfo {
         from = exportFrom,
         nameBeforeAs = nameBeforeAs,
         modifiers = EtsModifiers(modifiers),
+        isTypeOnly = isTypeOnly,
     )
 }
 

diff --git a/jacodb-ets/src/main/kotlin/org/jacodb/ets/dto/Model.kt b/jacodb-ets/src/main/kotlin/org/jacodb/ets/dto/Model.kt
@@ -135,6 +135,7 @@ data class ExportInfoDto(
     val exportFrom: String? = null,
     val nameBeforeAs: String? = null,
     val modifiers: Int,
+    val isTypeOnly: Boolean = false,
     // val decorators: List<DecoratorDto>,
 )
 

diff --git a/jacodb-ets/src/main/kotlin/org/jacodb/ets/model/Export.kt b/jacodb-ets/src/main/kotlin/org/jacodb/ets/model/Export.kt
@@ -24,13 +24,15 @@ package org.jacodb.ets.model
  * @property from The module or path being exported from (null for direct exports).
  * @property nameBeforeAs The original name before 'as' aliasing (null if no aliasing).
  * @property modifiers Export modifiers.
+ * @property isTypeOnly Whether this export is only available in type positions.
  */
 data class EtsExportInfo(
     val name: String,
     val type: EtsExportType,
     val from: String? = null,
     val nameBeforeAs: String? = null,
     override val modifiers: EtsModifiers = EtsModifiers.EMPTY,
+    val isTypeOnly: Boolean = false,
 ) : Base {
 
     // Note: Export statements do not have decorators in JS/TS.

diff --git a/jacodb-ets/src/test/kotlin/org/jacodb/ets/test/EtsExportTest.kt b/jacodb-ets/src/test/kotlin/org/jacodb/ets/test/EtsExportTest.kt
@@ -16,13 +16,17 @@
 
 package org.jacodb.ets.test
 
+import kotlinx.serialization.json.Json
 import mu.KotlinLogging
+import org.jacodb.ets.dto.ExportInfoDto
+import org.jacodb.ets.dto.toEtsExportInfo
 import org.jacodb.ets.model.EtsFile
 import org.jacodb.ets.test.utils.getResourcePath
 import org.jacodb.ets.utils.loadEtsFileAutoConvert
 import org.junit.jupiter.api.BeforeAll
 import org.junit.jupiter.api.Test
 import kotlin.test.assertEquals
+import kotlin.test.assertFalse
 import kotlin.test.assertNotNull
 import kotlin.test.assertNull
 import kotlin.test.assertTrue
@@ -212,6 +216,32 @@ class EtsExportTest {
         logger.info { "✓ Namespace export test passed: $namespaceExport" }
     }
 
+    @Test
+    fun testExportInfoTypeOnlyMetadata() {
+        val typeOnlyExport = ExportInfoDto(
+            exportName = "*",
+            exportType = 9,
+            exportFrom = "./types",
+            modifiers = 0,
+            isTypeOnly = true,
+        ).toEtsExportInfo()
+
+        assertTrue(typeOnlyExport.isTypeOnly)
+
+        val legacyExport = Json.decodeFromString<ExportInfoDto>(
+            """
+                {
+                  "exportName": "runtimeValue",
+                  "exportType": 3,
+                  "exportFrom": "./values",
+                  "modifiers": 0
+                }
+            """.trimIndent()
+        ).toEtsExportInfo()
+
+        assertFalse(legacyExport.isTypeOnly)
+    }
+
     @Test
     fun testExportInfoToString() {
         logger.info { "Testing EtsExportInfo toString() method" }

diff --git a/jacodb-ets/ts-frontend/src/dto/model.ts b/jacodb-ets/ts-frontend/src/dto/model.ts
@@ -134,6 +134,7 @@ export interface ExportInfoDto {
     exportFrom?: string; // Kotlin default: null
     nameBeforeAs?: string; // Kotlin default: null
     modifiers: number;
+    isTypeOnly: boolean;
 }
 
 export interface DecoratorDto {

diff --git a/jacodb-ets/ts-frontend/src/lowering/fileBuilder.ts b/jacodb-ets/ts-frontend/src/lowering/fileBuilder.ts
@@ -223,11 +223,17 @@ class FileBuilder {
                         exportName: name,
                         exportType: exportTypeOfDeclaration(statement),
                         modifiers,
+                        isTypeOnly: false,
                     });
                 } else if (ts.isVariableStatement(statement)) {
                     for (const decl of statement.declarationList.declarations) {
                         if (ts.isIdentifier(decl.name)) {
-                            infos.push({ exportName: decl.name.text, exportType: ExportType.LOCAL, modifiers });
+                            infos.push({
+                                exportName: decl.name.text,
+                                exportType: ExportType.LOCAL,
+                                modifiers,
+                                isTypeOnly: false,
+                            });
                         }
                     }
                 }
@@ -241,7 +247,12 @@ class FileBuilder {
                         : undefined;
                 if (statement.exportClause === undefined) {
                     // `export * from "module"`.
-                    const info: ExportInfoDto = { exportName: "*", exportType: ExportType.UNKNOWN, modifiers: 0 };
+                    const info: ExportInfoDto = {
+                        exportName: "*",
+                        exportType: ExportType.UNKNOWN,
+                        modifiers: 0,
+                        isTypeOnly: statement.isTypeOnly,
+                    };
                     if (exportFrom !== undefined) info.exportFrom = exportFrom;
                     infos.push(info);
                 } else if (ts.isNamedExports(statement.exportClause)) {
@@ -250,6 +261,7 @@ class FileBuilder {
                             exportName: element.name.text,
                             exportType: this.exportTypeOfSymbol(element.name),
                             modifiers: 0,
+                            isTypeOnly: statement.isTypeOnly || element.isTypeOnly,
                         };
                         if (element.propertyName !== undefined) info.nameBeforeAs = element.propertyName.text;
                         if (exportFrom !== undefined) info.exportFrom = exportFrom;
@@ -263,6 +275,7 @@ class FileBuilder {
                         exportType: ExportType.NAMESPACE,
                         nameBeforeAs: "*",
                         modifiers: 0,
+                        isTypeOnly: statement.isTypeOnly,
                     };
                     if (exportFrom !== undefined) info.exportFrom = exportFrom;
                     infos.push(info);
@@ -276,6 +289,7 @@ class FileBuilder {
                     exportName: name,
                     exportType: this.exportTypeOfSymbol(statement.expression),
                     modifiers: Modifier.DEFAULT,
+                    isTypeOnly: false,
                 });
             }
         }

diff --git a/jacodb-ets/ts-frontend/test/imports.spec.ts b/jacodb-ets/ts-frontend/test/imports.spec.ts
@@ -57,10 +57,27 @@ describe("export infos", () => {
             export * as bundle from "./bundle";
         `);
         expect(file.exportInfos).toEqual([
-            { exportName: "X", exportType: 9, modifiers: 0, exportFrom: "./other" },
-            { exportName: "Z", exportType: 9, nameBeforeAs: "Y", modifiers: 0, exportFrom: "./other" },
-            { exportName: "*", exportType: 9, modifiers: 0, exportFrom: "./star" },
-            { exportName: "bundle", exportType: 0, nameBeforeAs: "*", modifiers: 0, exportFrom: "./bundle" },
+            { exportName: "X", exportType: 9, modifiers: 0, exportFrom: "./other", isTypeOnly: false },
+            { exportName: "Z", exportType: 9, nameBeforeAs: "Y", modifiers: 0, exportFrom: "./other", isTypeOnly: false },
+            { exportName: "*", exportType: 9, modifiers: 0, exportFrom: "./star", isTypeOnly: false },
+            { exportName: "bundle", exportType: 0, nameBeforeAs: "*", modifiers: 0, exportFrom: "./bundle", isTypeOnly: false },
+        ]);
+    });
+
+    it("preserves type-only metadata for re-exports", () => {
+        const { file } = lower(`
+            export * from "./values";
+            export type * from "./types";
+            export { runtimeValue, type RuntimeType } from "./mixed";
+            export type { DeclaredType } from "./declared";
+        `);
+
+        expect(file.exportInfos).toEqual([
+            { exportName: "*", exportType: 9, modifiers: 0, exportFrom: "./values", isTypeOnly: false },
+            { exportName: "*", exportType: 9, modifiers: 0, exportFrom: "./types", isTypeOnly: true },
+            { exportName: "runtimeValue", exportType: 9, modifiers: 0, exportFrom: "./mixed", isTypeOnly: false },
+            { exportName: "RuntimeType", exportType: 9, modifiers: 0, exportFrom: "./mixed", isTypeOnly: true },
+            { exportName: "DeclaredType", exportType: 9, modifiers: 0, exportFrom: "./declared", isTypeOnly: true },
         ]);
     });
 
@@ -81,7 +98,7 @@ describe("export infos", () => {
             export default Main;
         `);
         expect(file.exportInfos).toEqual([
-            { exportName: "Main", exportType: 1, modifiers: Modifier.DEFAULT },
+            { exportName: "Main", exportType: 1, modifiers: Modifier.DEFAULT, isTypeOnly: false },
         ]);
     });
 
@@ -103,6 +120,7 @@ describe("export infos", () => {
             exportName: "default",
             exportType: 2,
             modifiers: Modifier.EXPORT | Modifier.DEFAULT,
+            isTypeOnly: false,
         });
 
         const anonymousClass = lower(`export default class {}`).file;
@@ -113,6 +131,7 @@ describe("export infos", () => {
             exportName: "default",
             exportType: 1,
             modifiers: Modifier.EXPORT | Modifier.DEFAULT,
+            isTypeOnly: false,
         });
     });
 });