Initial commit

node_modules/next/dist/lib/worker.js

@@ -0,0 +1,158 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+Object.defineProperty(exports, "Worker", {
+    enumerable: true,
+    get: function() {
+        return Worker;
+    }
+});
+const _jestworker = require("next/dist/compiled/jest-worker");
+const _stream = require("stream");
+const RESTARTED = Symbol('restarted');
+const cleanupWorkers = (worker)=>{
+    var _worker__workerPool;
+    for (const curWorker of ((_worker__workerPool = worker._workerPool) == null ? void 0 : _worker__workerPool._workers) || []){
+        var _curWorker__child;
+        (_curWorker__child = curWorker._child) == null ? void 0 : _curWorker__child.kill('SIGINT');
+    }
+};
+class Worker {
+    constructor(workerPath, options){
+        let { timeout, onRestart, logger = console, ...farmOptions } = options;
+        let restartPromise;
+        let resolveRestartPromise;
+        let activeTasks = 0;
+        this._worker = undefined;
+        // ensure we end workers if they weren't before exit
+        process.on('exit', ()=>{
+            this.close();
+        });
+        const createWorker = ()=>{
+            var _farmOptions_forkOptions;
+            this._worker = new _jestworker.Worker(workerPath, {
+                ...farmOptions,
+                forkOptions: {
+                    ...farmOptions.forkOptions,
+                    env: {
+                        ...((_farmOptions_forkOptions = farmOptions.forkOptions) == null ? void 0 : _farmOptions_forkOptions.env) || {},
+                        ...process.env,
+                        IS_NEXT_WORKER: 'true'
+                    }
+                },
+                maxRetries: 0
+            });
+            restartPromise = new Promise((resolve)=>resolveRestartPromise = resolve);
+            /**
+       * Jest Worker has two worker types, ChildProcessWorker (uses child_process) and NodeThreadWorker (uses worker_threads)
+       * Next.js uses ChildProcessWorker by default, but it can be switched to NodeThreadWorker with an experimental flag
+       *
+       * We only want to handle ChildProcessWorker's orphan process issue, so we access the private property "_child":
+       * https://github.com/facebook/jest/blob/b38d7d345a81d97d1dc3b68b8458b1837fbf19be/packages/jest-worker/src/workers/ChildProcessWorker.ts
+       *
+       * But this property is not available in NodeThreadWorker, so we need to check if we are using ChildProcessWorker
+       */ if (!farmOptions.enableWorkerThreads) {
+                var _this__worker__workerPool;
+                for (const worker of ((_this__worker__workerPool = this._worker._workerPool) == null ? void 0 : _this__worker__workerPool._workers) || []){
+                    var _worker__child, // if a child process emits a particular message, we track that as activity
+                    // so the parent process can keep track of progress
+                    _worker__child1;
+                    (_worker__child = worker._child) == null ? void 0 : _worker__child.on('exit', (code, signal)=>{
+                        if ((code || signal && signal !== 'SIGINT') && this._worker) {
+                            logger.error(`Next.js build worker exited with code: ${code} and signal: ${signal}`);
+                            // if a child process doesn't exit gracefully, we want to bubble up the exit code to the parent process
+                            process.exit(code ?? 1);
+                        }
+                    });
+                    (_worker__child1 = worker._child) == null ? void 0 : _worker__child1.on('message', ([, data])=>{
+                        if (data && typeof data === 'object' && 'type' in data && data.type === 'activity') {
+                            onActivity();
+                        }
+                    });
+                }
+            }
+            let aborted = false;
+            const onActivityAbort = ()=>{
+                if (!aborted) {
+                    options.onActivityAbort == null ? void 0 : options.onActivityAbort.call(options);
+                    aborted = true;
+                }
+            };
+            // Listen to the worker's stdout and stderr, if there's any thing logged, abort the activity first
+            const abortActivityStreamOnLog = new _stream.Transform({
+                transform (_chunk, _encoding, callback) {
+                    onActivityAbort();
+                    callback();
+                }
+            });
+            // Stop the activity if there's any output from the worker
+            this._worker.getStdout().pipe(abortActivityStreamOnLog);
+            this._worker.getStderr().pipe(abortActivityStreamOnLog);
+            // Pipe the worker's stdout and stderr to the parent process
+            this._worker.getStdout().pipe(process.stdout);
+            this._worker.getStderr().pipe(process.stderr);
+        };
+        createWorker();
+        const onHanging = ()=>{
+            const worker = this._worker;
+            if (!worker) return;
+            const resolve = resolveRestartPromise;
+            createWorker();
+            logger.warn(`Sending SIGTERM signal to static worker due to timeout${timeout ? ` of ${timeout / 1000} seconds` : ''}. Subsequent errors may be a result of the worker exiting.`);
+            worker.end().then(()=>{
+                resolve(RESTARTED);
+            });
+        };
+        let hangingTimer = false;
+        const onActivity = ()=>{
+            if (hangingTimer) clearTimeout(hangingTimer);
+            if (options.onActivity) options.onActivity();
+            hangingTimer = activeTasks > 0 && setTimeout(onHanging, timeout);
+        };
+        for (const method of farmOptions.exposedMethods){
+            if (method.startsWith('_')) continue;
+            this[method] = timeout ? async (...args)=>{
+                activeTasks++;
+                try {
+                    let attempts = 0;
+                    for(;;){
+                        onActivity();
+                        const result = await Promise.race([
+                            this._worker[method](...args),
+                            restartPromise
+                        ]);
+                        if (result !== RESTARTED) return result;
+                        if (onRestart) onRestart(method, args, ++attempts);
+                    }
+                } finally{
+                    activeTasks--;
+                    onActivity();
+                }
+            } : this._worker[method].bind(this._worker);
+        }
+    }
+    end() {
+        const worker = this._worker;
+        if (!worker) {
+            throw Object.defineProperty(new Error('Farm is ended, no more calls can be done to it'), "__NEXT_ERROR_CODE", {
+                value: "E265",
+                enumerable: false,
+                configurable: true
+            });
+        }
+        cleanupWorkers(worker);
+        this._worker = undefined;
+        return worker.end();
+    }
+    /**
+   * Quietly end the worker if it exists
+   */ close() {
+        if (this._worker) {
+            cleanupWorkers(this._worker);
+            this._worker.end();
+        }
+    }
+}
+
+//# sourceMappingURL=worker.js.map