@velascosoftware/next-api-router
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store = new WeakMap<object, Map<unknown, unknown>>();\n\nfunction getMap(target: object) {\n let m = store.get(target);\n if (!m) { m = new Map(); store.set(target, m); }\n return m;\n}\n\nexport function defineMetadata(key: unknown, value: unknown, target: object) {\n const R: any = (globalThis as any).Reflect;\n if (R && typeof R.defineMetadata === 'function') {\n R.defineMetadata(key, value, target);\n return;\n }\n getMap(target).set(key, value);\n}\n\nexport function getMetadata<T = any>(key: unknown, target: object): T | undefined {\n const R: any = (globalThis as any).Reflect;\n if (R && typeof R.getMetadata === 'function') {\n return R.getMetadata(key, target) as T | undefined;\n }\n return getMap(target).get(key) as T | undefined;\n}\n","import { HTTP_METHOD } from \"../../types\";\nimport { Middleware } from \"../middlewares\";\nimport { defineMetadata, getMetadata } from \"../utils/metadata\";\n\nexport interface RouteDefinition {\n path: string;\n method: HTTP_METHOD;\n handlerName: string;\n}\n\nconst routesMetadataKey = Symbol('routes');\nconst routeMiddlewaresKey = Symbol('route_middlewares');\nconst controllerMiddlewaresKey = Symbol('controller_middlewares');\n\nexport function RequestMapping(path: string, method: HTTP_METHOD) {\n return function (target: any, propertyKey: string) {\n const routes: RouteDefinition[] = getMetadata(routesMetadataKey, target.constructor) || [];\n routes.push({\n path,\n method,\n handlerName: propertyKey,\n });\n \n defineMetadata(routesMetadataKey, routes, target.constructor);\n };\n}\n\nexport function Use(...middlewares: Middleware[]) {\n return function (target: any, propertyKey: string) {\n const map: Record<string, Middleware[]> =\n getMetadata(routeMiddlewaresKey, target.constructor) || {};\n map[propertyKey] = [...(map[propertyKey] || []), ...middlewares];\n defineMetadata(routeMiddlewaresKey, map, target.constructor);\n };\n}\n\nexport function UseController(...middlewares: Middleware[]) {\n return function (constructor: any) {\n const list: Middleware[] =\n getMetadata(controllerMiddlewaresKey, constructor) || [];\n defineMetadata(controllerMiddlewaresKey, [...list, ...middlewares], constructor);\n };\n}\n\nexport function getRoutes(target: any): RouteDefinition[] {\n return getMetadata(routesMetadataKey, target.constructor) || [];\n}\n\nexport function getControllerMiddlewares(target: any): Middleware[] {\n return getMetadata(controllerMiddlewaresKey, target.constructor) || [];\n}\n\nexport function getRouteMiddlewares(target: any): Record<string, Middleware[]> {\n return getMetadata(routeMiddlewaresKey, target.constructor) || {};\n}","import { getReasonPhrase, StatusCodes } from \"http-status-codes\";\nimport { NextRequest, NextResponse } from \"next/server\";\nimport { match as pathMatch } from \"path-to-regexp\";\nimport { Middleware } from \"../middlewares\";\nimport { getControllerMiddlewares, getRouteMiddlewares, getRoutes } from \"../decorators/RoutingMapping\";\nimport { HTTP_METHOD } from '../../types';\n\ntype ErrorHandler = (\n error: unknown,\n req: NextRequest,\n params: Record<string, string>\n) => Promise<NextResponse> | NextResponse;\n\ninterface Route {\n method: HTTP_METHOD;\n path: string;\n matcher: ReturnType<typeof pathMatch>;\n handlers: Middleware[];\n onError?: ErrorHandler;\n}\n\nexport interface ApiRouteController {\n [key: string]: any;\n}\n\nexport class ApiRouter {\n private routes: Route[] = [];\n private basePath = '';\n private globalErrorHandler: ErrorHandler = (err, req) => {\n const reqPath = req.nextUrl.pathname;\n\n return NextResponse.json({\n success: false,\n message: getReasonPhrase(StatusCodes.INTERNAL_SERVER_ERROR),\n path: reqPath,\n }, { status: StatusCodes.INTERNAL_SERVER_ERROR });\n }\n\n constructor(basePath = '', controller: ApiRouteController) {\n this.basePath = basePath;\n\n const controllerRoutes = getRoutes(controller);\n const classMiddlewares = getControllerMiddlewares(controller);\n const routeMwsMap = getRouteMiddlewares(controller);\n\n for (const route of controllerRoutes) {\n const fullPath = `${this.basePath}${route.path}`.replace(/\\/+$/, '');\n const matcher = pathMatch(fullPath, { decode: decodeURIComponent });\n const handler: Middleware = controller[route.handlerName].bind(controller);\n\n const methodMiddlewares = routeMwsMap[route.handlerName] || [];\n\n this.routes.push({\n method: route.method,\n path: fullPath,\n matcher,\n handlers: [...classMiddlewares, ...methodMiddlewares, handler],\n })\n }\n }\n\n onError(handler: ErrorHandler) {\n this.globalErrorHandler = handler;\n }\n\n async handle(req: NextRequest): Promise<NextResponse> {\n const reqMethod = req.method?.toUpperCase();\n const reqPath = req.nextUrl.pathname.replace(/^\\/api/, '');\n\n for (const route of this.routes) {\n if (route.method !== reqMethod) continue;\n const match = route.matcher(reqPath);\n if (match) {\n const params = match.params as Record<string, string>;\n const stack = [...route.handlers];\n\n const execute = async (i: number): Promise<NextResponse> => {\n if (i < stack.length - 1) {\n return stack[i](req, params, () => execute(i + 1));\n }\n return stack[i](req, params, () => execute(i));\n };\n\n try {\n return await execute(0);\n } catch (err) {\n if (route.onError) {\n return await route.onError(err, req, params);\n }\n if (this.globalErrorHandler) {\n return await this.globalErrorHandler(err, req, params);\n }\n\n return NextResponse.json({\n success: false,\n message: getReasonPhrase(StatusCodes.INTERNAL_SERVER_ERROR)\n }, { status: StatusCodes.INTERNAL_SERVER_ERROR });\n }\n }\n }\n\n return NextResponse.json({ sucess: false, message: 'Not Found' }, { status: StatusCodes.NOT_FOUND });\n }\n}","import type { NextRequest } from 'next/server';\nimport { ApiRouteController, ApiRouter } from '../http/routing/ApiRouter';\n\ntype NextHandler = (req: NextRequest) => Promise<Response> | Response;\n\ntype RouterRecords = {\n GET: NextHandler,\n POST: NextHandler,\n PUT: NextHandler,\n PATCH: NextHandler,\n DELETE: NextHandler,\n OPTIONS: NextHandler,\n HEAD: NextHandler\n}\n\nexport function createNextRoute(controller: ApiRouteController, basePath = ''): RouterRecords {\n const router = new ApiRouter(basePath, controller);\n const handle: NextHandler = (req) => router.handle(req);\n\n return {\n GET: handle,\n POST: handle,\n PUT: handle,\n PATCH: handle,\n DELETE: handle,\n OPTIONS: handle,\n HEAD: handle,\n };\n}"]}