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dunkirk.sh
1/**
2 * Utility to build Bun-compatible routes from typed route definitions
3 * and generate Swagger documentation
4 */
5
6import type { RouteDefinition } from "../types/routes";
7import { swaggerGenerator } from "./swagger-generator";
8
9type BunRoute = Record<
10 string,
11 (request: Request) => Promise<Response> | Response
12>;
13
14/**
15 * Convert typed routes to Bun server format and generate Swagger
16 */
17export function buildRoutes(typedRoutes: Record<string, RouteDefinition>) {
18 // Generate Swagger from typed routes
19 swaggerGenerator.addRoutes(typedRoutes);
20
21 // Convert to Bun server format
22 const bunRoutes: Record<string, BunRoute> = {};
23
24 Object.entries(typedRoutes).forEach(([path, routeConfig]) => {
25 const bunRoute: Record<
26 string,
27 (request: Request) => Promise<Response> | Response
28 > = {};
29
30 // Convert each HTTP method
31 Object.entries(routeConfig).forEach(([method, typedRoute]) => {
32 if (typedRoute && "handler" in typedRoute) {
33 bunRoute[method] = typedRoute.handler;
34 }
35 });
36
37 bunRoutes[path] = bunRoute;
38 });
39
40 return bunRoutes;
41}
42
43/**
44 * Get the generated Swagger specification
45 */
46export function getSwaggerSpec() {
47 return swaggerGenerator.getSpec();
48}
49
50/**
51 * Merge typed routes with existing legacy routes
52 * This allows gradual migration
53 */
54export function mergeRoutes(
55 typedRoutes: Record<string, RouteDefinition>,
56 legacyRoutes: Record<string, BunRoute>,
57) {
58 const builtRoutes = buildRoutes(typedRoutes);
59
60 return {
61 ...legacyRoutes,
62 ...builtRoutes,
63 };
64}