fix(rendering): preserve enum case source order

packages/quicktype-core/src/MakeTransformations.ts

@@ -80,8 +80,7 @@ function makeEnumTransformer(
     stringType: TypeRef,
     continuation?: Transformer,
 ): Transformer {
-    const sortedCases = Array.from(enumType.cases).sort();
-    const caseTransformers = sortedCases.map(
+    const caseTransformers = Array.from(enumType.cases).map(
         (c) =>
             new StringMatchTransformer(
                 graph,

test/unit/enum-order.test.ts

@@ -1,23 +1,39 @@
-import {
-    InputData,
-    JSONSchemaInput,
-    quicktype,
-} from "../../packages/quicktype-core/src/index.js";
+import { InputData, JSONSchemaInput, quicktype } from "quicktype-core";
 import { expect, test } from "vitest";
 
-const schema = JSON.stringify({
-    $schema: "http://json-schema.org/draft-04/schema#",
-    title: "Test",
-    type: "object",
-    properties: {
-        errorCode: {
+test("preserves JSON Schema enum case order (C#)", async () => {
+    const schemaInput = new JSONSchemaInput(undefined);
+    await schemaInput.addSource({
+        name: "DaySchema",
+        schema: JSON.stringify({
+            $schema: "http://json-schema.org/draft-07/schema#",
             type: "string",
-            enum: ["B", "A", "E"],
-        },
-    },
+            enum: ["Monday", "Tuesday", "Friday", "Sunday"],
+        }),
+    });
+    const inputData = new InputData();
+    inputData.addInput(schemaInput);
+
+    const result = await quicktype({ inputData, lang: "csharp" });
+
+    expect(result.lines.join("\n")).toContain(
+        "public enum DaySchemaEnum { Monday, Tuesday, Friday, Sunday };",
+    );
 });
 
-test("preserves JSON Schema enum case order", async () => {
+test("preserves JSON Schema enum case order (C++)", async () => {
+    const schema = JSON.stringify({
+        $schema: "http://json-schema.org/draft-04/schema#",
+        title: "Test",
+        type: "object",
+        properties: {
+            errorCode: {
+                type: "string",
+                enum: ["B", "A", "E"],
+            },
+        },
+    });
+
     const schemaInput = new JSONSchemaInput(undefined);
     await schemaInput.addSource({ name: "Test", schema });