Enum names Type and Type2.

packages/codegen/src/__fixtures__/types.json

@@ -0,0 +1,115 @@
+{
+  "openapi": "3.1.0",
+  "info": {
+    "title": "Swagger types example",
+    "version": "1.0.0"
+  },
+  "servers": [
+    {
+      "url": "https://api.example.com"
+    }
+  ],
+  "paths": {
+    "/circle/{circle_id}": {
+      "get": {
+        "tags": ["circle"],
+        "summary": "Find circle by ID",
+        "description": "Returns a single circle",
+        "operationId": "getCircleById",
+        "parameters": [
+          {
+            "name": "circle_id",
+            "in": "path",
+            "description": "ID of circle to return",
+            "required": true,
+            "schema": {
+              "type": "integer"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "successful operation",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Circle"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/triangle/{triangle_id}": {
+      "get": {
+        "tags": ["triangle"],
+        "summary": "Find triangle by ID",
+        "description": "Returns a single triangle",
+        "operationId": "getTriangleById",
+        "parameters": [
+          {
+            "name": "triangle_id",
+            "in": "path",
+            "description": "ID of triangle to return",
+            "required": true,
+            "schema": {
+              "type": "integer"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "successful operation",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/Triangle"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {
+    "schemas": {
+      "Circle": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer"
+          },
+          "shape": {
+            "enum": [1, 2],
+            "type": "integer",
+            "x-enumNames": [
+              "round",
+              "oval"
+            ],
+            "x-ts-type": "CircleType"
+          }
+        }
+      },
+      "Triangle": {
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "integer"
+          },
+          "shape": {
+            "enum": [1, 2, 3],
+            "type": "integer",
+            "x-enumNames": [
+              "equilateral",
+              "isosceles",
+              "scalene"
+            ],
+            "x-ts-type": "TriangleType"
+          }
+        }
+      }
+    }
+  }
+}

packages/codegen/src/generate.ts

@@ -85,6 +85,7 @@ type SchemaObject = OpenAPISchemaObject & {
   "x-enumNames"?: string[];
   "x-enum-varnames"?: string[];
   "x-component-ref-path"?: string;
+  "x-ts-type"?: string;
   prefixItems?: (OpenAPIReferenceObject | SchemaObject)[];
 };
 
@@ -795,14 +796,18 @@ export default class ApiGenerator {
     const baseName = schema.title || _.upperFirst(propName);
     // TODO: use _.camelCase in future major version
     // (currently we allow _ and $ for backwards compatibility)
-    const proposedName = baseName
+    const autoGeneratedName = baseName
       .split(/[^A-Za-z0-9$_]/g)
       .map((n) => _.upperFirst(n))
       .join("");
     const stringEnumValue = this.getEnumValuesString(
       schema.enum ? schema.enum : [],
     );
 
+    const tsName = schema["x-ts-type"];
+
+    const proposedName = tsName ? tsName : autoGeneratedName;
+
     const name = this.getEnumUniqueAlias(proposedName, stringEnumValue);
 
     if (this.enumRefs[proposedName] && proposedName === name) {

packages/codegen/src/index.test.ts

@@ -248,6 +248,14 @@ describe("useEnumType", () => {
       `export enum Category2 { Rich = "rich", Wealthy = "wealthy", Poor = "poor" }`,
     );
   });
+
+  it("should handle x-ts-type", async () => {
+    const src = await generate(__dirname + "/__fixtures__/types.json", { useEnumType: true });
+
+    expect(src).toContain("export enum TriangleType");
+
+    expect(src).toContain("export enum CircleType");
+  });
 });
 
 describe("argumentStyle", () => {