File size: 2,753 Bytes
fea495a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | import { RESTART_EXIT_CODE } from '../../server/lib/utils';
import { middlewareResponse } from './middleware-response';
import { invalidatePersistentCache as invalidateWebpackPersistentCache } from '../../build/webpack/cache-invalidation';
const EVENT_DEV_OVERLAY_RESTART_SERVER = 'DEV_OVERLAY_RESTART_SERVER';
export function getRestartDevServerMiddleware(param) {
let { telemetry, turbopackProject, webpackCacheDirectories } = param;
/**
* 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 shouldInvalidatePersistentCache = searchParams.has('invalidatePersistentCache');
if (shouldInvalidatePersistentCache) {
if (webpackCacheDirectories != null) {
await Promise.all(Array.from(webpackCacheDirectories).map(invalidateWebpackPersistentCache));
}
if (turbopackProject != null) {
await turbopackProject.invalidatePersistentCache();
}
}
telemetry.record({
eventName: EVENT_DEV_OVERLAY_RESTART_SERVER,
payload: {
invalidatePersistentCache: shouldInvalidatePersistentCache
}
});
// 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();
}
};
}
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