Fix export all bug #927

hazzard993 · hazzard993 · commit fe3a60d0128a · 2020-11-24T13:38:03.000+10:00
diff --git a/src/transformation/visitors/modules/export.ts b/src/transformation/visitors/modules/export.ts
@@ -51,10 +51,20 @@ function transformExportAllFrom(context: TransformationContext, node: ts.ExportD
     const forKey = lua.createIdentifier("____exportKey");
     const forValue = lua.createIdentifier("____exportValue");
 
-    const body = lua.createBlock([
-        lua.createAssignmentStatement(lua.createTableIndexExpression(createExportsIdentifier(), forKey), forValue),
+    const ifBody = lua.createBlock([
+        lua.createAssignmentStatement(
+            lua.createTableIndexExpression(createExportsIdentifier(), lua.cloneIdentifier(forKey)),
+            forValue
+        ),
     ]);
 
+    const ifStatement = lua.createIfStatement(
+        lua.createBinaryExpression(forKey, lua.createStringLiteral("default"), lua.SyntaxKind.InequalityOperator),
+        ifBody
+    );
+
+    const body = lua.createBlock([ifStatement]);
+
     const pairsIdentifier = lua.createIdentifier("pairs");
     const forIn = lua.createForInStatement(
         body,
diff --git a/test/unit/modules/modules.spec.ts b/test/unit/modules/modules.spec.ts
@@ -275,3 +275,17 @@ test("export default function with future reference", () => {
         .setReturnExport("result")
         .expectToMatchJsResult();
 });
+
+test("export all does not include default", () => {
+    util.testBundle`
+        export * from "./module";
+    `
+        .addExtraFile(
+            "module.ts",
+            `
+                export default true;
+                export const foo = "bar";
+            `
+        )
+        .expectToEqual({ foo: "bar" });
+});
