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2026-05-02 20:07:02 +02:00
parent ce8672e283
commit 34dc9aec52
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+import { RESTART_EXIT_CODE } from '../../server/lib/utils';
+import { middlewareResponse } from './middleware-response';
+import { invalidateFileSystemCache as invalidateWebpackFileSystemCache } from '../../build/webpack/cache-invalidation';
+const EVENT_DEV_OVERLAY_RESTART_SERVER = 'DEV_OVERLAY_RESTART_SERVER';
+export function getRestartDevServerMiddleware({ telemetry, turbopackProject, webpackCacheDirectories }) {
+    /**
+   * Some random value between 1 and Number.MAX_SAFE_INTEGER (inclusive). The same value is returned
+   * on every call to `__nextjs_server_status` until the server is restarted.
+   *
+   * Can be used to determine if two server status responses are from the same process or a
+   * different (restarted) process.
+   */ const executionId = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER) + 1;
+    async function handleRestartRequest(req, res, searchParams) {
+        if (req.method !== 'POST') {
+            return middlewareResponse.methodNotAllowed(res);
+        }
+        const shouldInvalidateFileSystemCache = searchParams.has('invalidateFileSystemCache');
+        if (shouldInvalidateFileSystemCache) {
+            if (webpackCacheDirectories != null) {
+                await Promise.all(Array.from(webpackCacheDirectories).map(invalidateWebpackFileSystemCache));
+            }
+            if (turbopackProject != null) {
+                await turbopackProject.invalidateFileSystemCache();
+            }
+        }
+        telemetry.record({
+            eventName: EVENT_DEV_OVERLAY_RESTART_SERVER,
+            payload: {
+                invalidateFileSystemCache: shouldInvalidateFileSystemCache
+            }
+        });
+        // TODO: Use flushDetached
+        await telemetry.flush();
+        // do this async to try to give the response a chance to send
+        // it's not really important if it doesn't though
+        setTimeout(()=>{
+            process.exit(RESTART_EXIT_CODE);
+        }, 0);
+        return middlewareResponse.noContent(res);
+    }
+    async function handleServerStatus(req, res) {
+        if (req.method !== 'GET') {
+            return middlewareResponse.methodNotAllowed(res);
+        }
+        return middlewareResponse.json(res, {
+            executionId
+        });
+    }
+    return async function(req, res, next) {
+        const { pathname, searchParams } = new URL(`http://n${req.url}`);
+        switch(pathname){
+            case '/__nextjs_restart_dev':
+                return await handleRestartRequest(req, res, searchParams);
+            case '/__nextjs_server_status':
+                return await handleServerStatus(req, res);
+            default:
+                return next();
+        }
+    };
+}
+
+//# sourceMappingURL=restart-dev-server-middleware.js.map