diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:10:59 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2026-05-18 23:41:44 +0800 |
| commit | fc87c009806dcc98867f6b58efe29b042aa01dee (patch) | |
| tree | 8f59b3f4a5b66e9dfef2d40c8d318e258a521228 /node_modules/jest-worker/build/workers/ChildProcessWorker.js | |
| parent | 3336b2356ee6152d9c6ae59bd9b87ccbc0958407 (diff) | |
node: updatemain
Diffstat (limited to 'node_modules/jest-worker/build/workers/ChildProcessWorker.js')
| -rw-r--r-- | node_modules/jest-worker/build/workers/ChildProcessWorker.js | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/node_modules/jest-worker/build/workers/ChildProcessWorker.js b/node_modules/jest-worker/build/workers/ChildProcessWorker.js deleted file mode 100644 index f8a42c96..00000000 --- a/node_modules/jest-worker/build/workers/ChildProcessWorker.js +++ /dev/null @@ -1,333 +0,0 @@ -'use strict'; - -Object.defineProperty(exports, '__esModule', { - value: true -}); -exports.default = void 0; - -function _child_process() { - const data = require('child_process'); - - _child_process = function () { - return data; - }; - - return data; -} - -function _stream() { - const data = require('stream'); - - _stream = function () { - return data; - }; - - return data; -} - -function _mergeStream() { - const data = _interopRequireDefault(require('merge-stream')); - - _mergeStream = function () { - return data; - }; - - return data; -} - -function _supportsColor() { - const data = require('supports-color'); - - _supportsColor = function () { - return data; - }; - - return data; -} - -var _types = require('../types'); - -function _interopRequireDefault(obj) { - return obj && obj.__esModule ? obj : {default: obj}; -} - -function _defineProperty(obj, key, value) { - if (key in obj) { - Object.defineProperty(obj, key, { - value: value, - enumerable: true, - configurable: true, - writable: true - }); - } else { - obj[key] = value; - } - return obj; -} - -const SIGNAL_BASE_EXIT_CODE = 128; -const SIGKILL_EXIT_CODE = SIGNAL_BASE_EXIT_CODE + 9; -const SIGTERM_EXIT_CODE = SIGNAL_BASE_EXIT_CODE + 15; // How long to wait after SIGTERM before sending SIGKILL - -const SIGKILL_DELAY = 500; -/** - * This class wraps the child process and provides a nice interface to - * communicate with. It takes care of: - * - * - Re-spawning the process if it dies. - * - Queues calls while the worker is busy. - * - Re-sends the requests if the worker blew up. - * - * The reason for queueing them here (since childProcess.send also has an - * internal queue) is because the worker could be doing asynchronous work, and - * this would lead to the child process to read its receiving buffer and start a - * second call. By queueing calls here, we don't send the next call to the - * children until we receive the result of the previous one. - * - * As soon as a request starts to be processed by a worker, its "processed" - * field is changed to "true", so that other workers which might encounter the - * same call skip it. - */ - -class ChildProcessWorker { - constructor(options) { - _defineProperty(this, '_child', void 0); - - _defineProperty(this, '_options', void 0); - - _defineProperty(this, '_request', void 0); - - _defineProperty(this, '_retries', void 0); - - _defineProperty(this, '_onProcessEnd', void 0); - - _defineProperty(this, '_onCustomMessage', void 0); - - _defineProperty(this, '_fakeStream', void 0); - - _defineProperty(this, '_stdout', void 0); - - _defineProperty(this, '_stderr', void 0); - - _defineProperty(this, '_exitPromise', void 0); - - _defineProperty(this, '_resolveExitPromise', void 0); - - this._options = options; - this._request = null; - this._fakeStream = null; - this._stdout = null; - this._stderr = null; - this._exitPromise = new Promise(resolve => { - this._resolveExitPromise = resolve; - }); - this.initialize(); - } - - initialize() { - const forceColor = _supportsColor().stdout - ? { - FORCE_COLOR: '1' - } - : {}; - const child = (0, _child_process().fork)( - require.resolve('./processChild'), - [], - { - cwd: process.cwd(), - env: { - ...process.env, - JEST_WORKER_ID: String(this._options.workerId + 1), - // 0-indexed workerId, 1-indexed JEST_WORKER_ID - ...forceColor - }, - // Suppress --debug / --inspect flags while preserving others (like --harmony). - execArgv: process.execArgv.filter(v => !/^--(debug|inspect)/.test(v)), - silent: true, - ...this._options.forkOptions - } - ); - - if (child.stdout) { - if (!this._stdout) { - // We need to add a permanent stream to the merged stream to prevent it - // from ending when the subprocess stream ends - this._stdout = (0, _mergeStream().default)(this._getFakeStream()); - } - - this._stdout.add(child.stdout); - } - - if (child.stderr) { - if (!this._stderr) { - // We need to add a permanent stream to the merged stream to prevent it - // from ending when the subprocess stream ends - this._stderr = (0, _mergeStream().default)(this._getFakeStream()); - } - - this._stderr.add(child.stderr); - } - - child.on('message', this._onMessage.bind(this)); - child.on('exit', this._onExit.bind(this)); - child.send([ - _types.CHILD_MESSAGE_INITIALIZE, - false, - this._options.workerPath, - this._options.setupArgs - ]); - this._child = child; - this._retries++; // If we exceeded the amount of retries, we will emulate an error reply - // coming from the child. This avoids code duplication related with cleaning - // the queue, and scheduling the next call. - - if (this._retries > this._options.maxRetries) { - const error = new Error( - `Jest worker encountered ${this._retries} child process exceptions, exceeding retry limit` - ); - - this._onMessage([ - _types.PARENT_MESSAGE_CLIENT_ERROR, - error.name, - error.message, - error.stack, - { - type: 'WorkerError' - } - ]); - } - } - - _shutdown() { - // End the temporary streams so the merged streams end too - if (this._fakeStream) { - this._fakeStream.end(); - - this._fakeStream = null; - } - - this._resolveExitPromise(); - } - - _onMessage(response) { - // TODO: Add appropriate type check - let error; - - switch (response[0]) { - case _types.PARENT_MESSAGE_OK: - this._onProcessEnd(null, response[1]); - - break; - - case _types.PARENT_MESSAGE_CLIENT_ERROR: - error = response[4]; - - if (error != null && typeof error === 'object') { - const extra = error; // @ts-expect-error: no index - - const NativeCtor = global[response[1]]; - const Ctor = typeof NativeCtor === 'function' ? NativeCtor : Error; - error = new Ctor(response[2]); - error.type = response[1]; - error.stack = response[3]; - - for (const key in extra) { - error[key] = extra[key]; - } - } - - this._onProcessEnd(error, null); - - break; - - case _types.PARENT_MESSAGE_SETUP_ERROR: - error = new Error('Error when calling setup: ' + response[2]); - error.type = response[1]; - error.stack = response[3]; - - this._onProcessEnd(error, null); - - break; - - case _types.PARENT_MESSAGE_CUSTOM: - this._onCustomMessage(response[1]); - - break; - - default: - throw new TypeError('Unexpected response from worker: ' + response[0]); - } - } - - _onExit(exitCode) { - if ( - exitCode !== 0 && - exitCode !== null && - exitCode !== SIGTERM_EXIT_CODE && - exitCode !== SIGKILL_EXIT_CODE - ) { - this.initialize(); - - if (this._request) { - this._child.send(this._request); - } - } else { - this._shutdown(); - } - } - - send(request, onProcessStart, onProcessEnd, onCustomMessage) { - onProcessStart(this); - - this._onProcessEnd = (...args) => { - // Clean the request to avoid sending past requests to workers that fail - // while waiting for a new request (timers, unhandled rejections...) - this._request = null; - return onProcessEnd(...args); - }; - - this._onCustomMessage = (...arg) => onCustomMessage(...arg); - - this._request = request; - this._retries = 0; - - this._child.send(request, () => {}); - } - - waitForExit() { - return this._exitPromise; - } - - forceExit() { - this._child.kill('SIGTERM'); - - const sigkillTimeout = setTimeout( - () => this._child.kill('SIGKILL'), - SIGKILL_DELAY - ); - - this._exitPromise.then(() => clearTimeout(sigkillTimeout)); - } - - getWorkerId() { - return this._options.workerId; - } - - getStdout() { - return this._stdout; - } - - getStderr() { - return this._stderr; - } - - _getFakeStream() { - if (!this._fakeStream) { - this._fakeStream = new (_stream().PassThrough)(); - } - - return this._fakeStream; - } -} - -exports.default = ChildProcessWorker; |
