44 lines
1.8 KiB
TypeScript
44 lines
1.8 KiB
TypeScript
 
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import { NextResponse } from "next/server";
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import { randomUUID } from "node:crypto";
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import { createLogger } from "@/lib/logger";
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const log = createLogger("api");
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type RouteHandler<Ctx> = (req: Request, ctx: Ctx) => Promise<Response> | Response;
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/**
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* Wraps an App Router route handler with consistent request/response logging:
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* a reqId (also echoed as `x-request-id`), method/path, status, and duration on
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* every call, plus a logged stack trace and JSON 500 for anything the handler
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* doesn't catch itself. Every export in app/api/** goes through this so log
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* shape and error handling stay uniform across routes instead of being
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* reimplemented per file.
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*/
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export function withRouteLogging<Ctx = unknown>(routeName: string, handler: RouteHandler<Ctx>): RouteHandler<Ctx> {
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return async (req, ctx) => {
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const reqId = randomUUID();
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const start = performance.now();
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const { pathname, search } = new URL(req.url);
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const reqLog = log.child({ reqId, route: routeName, method: req.method });
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reqLog.debug("request start", { path: pathname + search });
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try {
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const res = await handler(req, ctx);
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const durationMs = Math.round(performance.now() - start);
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const level = res.status >= 500 ? "error" : res.status >= 400 ? "warn" : "info";
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reqLog[level]("request end", { status: res.status, durationMs });
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res.headers.set("x-request-id", reqId);
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return res;
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} catch (err) {
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const durationMs = Math.round(performance.now() - start);
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reqLog.error("request failed", {
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durationMs,
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error: err instanceof Error ? err.message : String(err),
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stack: err instanceof Error ? err.stack : undefined,
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});
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return NextResponse.json({ error: "internal error", reqId }, { status: 500 });
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}
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};
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}
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