From b229f831db046b979279c1e549b5d8bc23b33329 Mon Sep 17 00:00:00 2001
From: Prithpal Sooriya <prithpal.sooriya@gmail.com>
Date: Sat, 18 Oct 2025 23:30:56 +0530
Subject: [PATCH] fix: add type-gen support for versioning paths

---
 src/gen/index.ts       |  5 ++--
 test/gen/index.test.ts | 55 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 2 deletions(-)

diff --git a/src/gen/index.ts b/src/gen/index.ts
index 6847f63..d26f323 100644
--- a/src/gen/index.ts
+++ b/src/gen/index.ts
@@ -2,7 +2,7 @@ import { TypeBox } from '@sinclair/typemap'
 import type { AdditionalReference } from '../types'
 
 const matchRoute = /: Elysia<(.*)>/gs
-const numberKey = /(\d+):/g
+const propertyKey = /([A-Za-z_]\w*|\d+):/g
 
 export interface OpenAPIGeneratorOptions {
 	/**
@@ -120,7 +120,8 @@ export function declarationToJSONSchema(declaration: string) {
 
 	// Treaty is a collection of { ... } & { ... } & { ... }
 	for (const route of extractRootObjects(
-		declaration.replace(numberKey, '"$1":')
+		// Ensure all property keys are wrapped in quotations
+		declaration.replace(propertyKey, '"$1":')
 	)) {
 		let schema = TypeBox(route.replaceAll(/readonly/g, ''))
 		if (schema.type !== 'object') continue
diff --git a/test/gen/index.test.ts b/test/gen/index.test.ts
index 850b654..b7da41d 100644
--- a/test/gen/index.test.ts
+++ b/test/gen/index.test.ts
@@ -425,6 +425,61 @@ describe('Gen > Type Gen', () => {
 		})
 	})
 
+	it('handle alphanumeric route keys like v1', () => {
+		const reference = declarationToJSONSchema(`
+			{
+				v1: {
+					foo: {
+						get: {
+							params: {}
+							query: {}
+							headers: {}
+							body: {}
+							response: {
+								200: {
+									value: number
+								}
+							}
+						}
+					}
+				}
+			}`)
+
+		expect(serializable(reference)!).toEqual({
+			'/v1/foo': {
+				get: {
+					body: {
+						properties: {},
+						type: 'object'
+					},
+					headers: {
+						properties: {},
+						type: 'object'
+					},
+					params: {
+						properties: {},
+						type: 'object'
+					},
+					query: {
+						properties: {},
+						type: 'object'
+					},
+					response: {
+						'200': {
+							properties: {
+								value: {
+									type: 'number'
+								}
+							},
+							required: ['value'],
+							type: 'object'
+						}
+					}
+				}
+			}
+		})
+	})
+
 	it('integrate', async () => {
 		const reference = fromTypes('test/gen/sample.ts')()