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Batuhan Berk Başoğlu 2024-11-03 21:30:09 -05:00
parent 1d79754e93
commit 2c89899458
Signed by: batuhan-basoglu
SSH key fingerprint: SHA256:kEsnuHX+qbwhxSAXPUQ4ox535wFHu/hIRaa53FzxRpo
62797 changed files with 6551425 additions and 15279 deletions

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/// <reference types="node" />
import { ChildMessage, OnCustomMessage, OnEnd, OnStart, WorkerInterface, WorkerOptions } from '../types';
/**
* 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.
*/
export default class ChildProcessWorker implements WorkerInterface {
private _child;
private _options;
private _request;
private _retries;
private _onProcessEnd;
private _onCustomMessage;
private _fakeStream;
private _stdout;
private _stderr;
private _exitPromise;
private _resolveExitPromise;
constructor(options: WorkerOptions);
initialize(): void;
private _shutdown;
private _onMessage;
private _onExit;
send(request: ChildMessage, onProcessStart: OnStart, onProcessEnd: OnEnd, onCustomMessage: OnCustomMessage): void;
waitForExit(): Promise<void>;
forceExit(): void;
getWorkerId(): number;
getStdout(): NodeJS.ReadableStream | null;
getStderr(): NodeJS.ReadableStream | null;
private _getFakeStream;
}

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'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;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/// <reference types="node" />
import { ChildMessage, OnCustomMessage, OnEnd, OnStart, WorkerInterface, WorkerOptions } from '../types';
export default class ExperimentalWorker implements WorkerInterface {
private _worker;
private _options;
private _request;
private _retries;
private _onProcessEnd;
private _onCustomMessage;
private _fakeStream;
private _stdout;
private _stderr;
private _exitPromise;
private _resolveExitPromise;
private _forceExited;
constructor(options: WorkerOptions);
initialize(): void;
private _shutdown;
private _onMessage;
private _onExit;
waitForExit(): Promise<void>;
forceExit(): void;
send(request: ChildMessage, onProcessStart: OnStart, onProcessEnd: OnEnd | null, onCustomMessage: OnCustomMessage): void;
getWorkerId(): number;
getStdout(): NodeJS.ReadableStream | null;
getStderr(): NodeJS.ReadableStream | null;
private _getFakeStream;
}

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = void 0;
function path() {
const data = _interopRequireWildcard(require('path'));
path = function () {
return data;
};
return data;
}
function _stream() {
const data = require('stream');
_stream = function () {
return data;
};
return data;
}
function _worker_threads() {
const data = require('worker_threads');
_worker_threads = function () {
return data;
};
return data;
}
function _mergeStream() {
const data = _interopRequireDefault(require('merge-stream'));
_mergeStream = function () {
return data;
};
return data;
}
var _types = require('../types');
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== 'function') return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function (nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
return {default: obj};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor =
Object.defineProperty && Object.getOwnPropertyDescriptor;
for (var key in obj) {
if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor
? Object.getOwnPropertyDescriptor(obj, key)
: null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
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;
}
class ExperimentalWorker {
constructor(options) {
_defineProperty(this, '_worker', 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);
_defineProperty(this, '_forceExited', 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._forceExited = false;
this.initialize();
}
initialize() {
this._worker = new (_worker_threads().Worker)(
path().resolve(__dirname, './threadChild.js'),
{
eval: false,
// @ts-expect-error: added in newer versions
resourceLimits: this._options.resourceLimits,
stderr: true,
stdout: true,
workerData: this._options.workerData,
...this._options.forkOptions
}
);
if (this._worker.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(this._worker.stdout);
}
if (this._worker.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(this._worker.stderr);
}
this._worker.on('message', this._onMessage.bind(this));
this._worker.on('exit', this._onExit.bind(this));
this._worker.postMessage([
_types.CHILD_MESSAGE_INITIALIZE,
false,
this._options.workerPath,
this._options.setupArgs,
String(this._options.workerId + 1) // 0-indexed workerId, 1-indexed JEST_WORKER_ID
]);
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('Call retries were exceeded');
this._onMessage([
_types.PARENT_MESSAGE_CLIENT_ERROR,
error.name,
error.message,
error.stack,
{
type: 'WorkerError'
}
]);
}
}
_shutdown() {
// End the permanent stream so the merged stream end too
if (this._fakeStream) {
this._fakeStream.end();
this._fakeStream = null;
}
this._resolveExitPromise();
}
_onMessage(response) {
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) {
// @ts-expect-error: no index
error[key] = extra[key];
}
}
this._onProcessEnd(error, null);
break;
case _types.PARENT_MESSAGE_SETUP_ERROR:
error = new Error('Error when calling setup: ' + response[2]); // @ts-expect-error: adding custom properties to errors.
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 && !this._forceExited) {
this.initialize();
if (this._request) {
this._worker.postMessage(this._request);
}
} else {
this._shutdown();
}
}
waitForExit() {
return this._exitPromise;
}
forceExit() {
this._forceExited = true;
this._worker.terminate();
}
send(request, onProcessStart, onProcessEnd, onCustomMessage) {
onProcessStart(this);
this._onProcessEnd = (...args) => {
var _onProcessEnd;
// Clean the request to avoid sending past requests to workers that fail
// while waiting for a new request (timers, unhandled rejections...)
this._request = null;
const res =
(_onProcessEnd = onProcessEnd) === null || _onProcessEnd === void 0
? void 0
: _onProcessEnd(...args); // Clean up the reference so related closures can be garbage collected.
onProcessEnd = null;
return res;
};
this._onCustomMessage = (...arg) => onCustomMessage(...arg);
this._request = request;
this._retries = 0;
this._worker.postMessage(request);
}
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 = ExperimentalWorker;

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/// <reference types="node" />
export default function messageParent(message: unknown, parentProcess?: NodeJS.Process): void;

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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.default = messageParent;
var _types = require('../types');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
const isWorkerThread = (() => {
try {
// `Require` here to support Node v10
const {isMainThread, parentPort} = require('worker_threads');
return !isMainThread && parentPort != null;
} catch {
return false;
}
})();
function messageParent(message, parentProcess = process) {
if (isWorkerThread) {
// `Require` here to support Node v10
const {parentPort} = require('worker_threads'); // ! is safe due to `null` check in `isWorkerThread`
parentPort.postMessage([_types.PARENT_MESSAGE_CUSTOM, message]);
} else if (typeof parentProcess.send === 'function') {
parentProcess.send([_types.PARENT_MESSAGE_CUSTOM, message]);
} else {
throw new Error('"messageParent" can only be used inside a worker');
}
}

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
export {};

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node_modules/jest-worker/build/workers/processChild.js generated vendored Normal file
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'use strict';
var _types = require('../types');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
let file = null;
let setupArgs = [];
let initialized = false;
/**
* This file is a small bootstrapper for workers. It sets up the communication
* between the worker and the parent process, interpreting parent messages and
* sending results back.
*
* The file loaded will be lazily initialized the first time any of the workers
* is called. This is done for optimal performance: if the farm is initialized,
* but no call is made to it, child Node processes will be consuming the least
* possible amount of memory.
*
* If an invalid message is detected, the child will exit (by throwing) with a
* non-zero exit code.
*/
const messageListener = request => {
switch (request[0]) {
case _types.CHILD_MESSAGE_INITIALIZE:
const init = request;
file = init[2];
setupArgs = request[3];
break;
case _types.CHILD_MESSAGE_CALL:
const call = request;
execMethod(call[2], call[3]);
break;
case _types.CHILD_MESSAGE_END:
end();
break;
default:
throw new TypeError(
'Unexpected request from parent process: ' + request[0]
);
}
};
process.on('message', messageListener);
function reportSuccess(result) {
if (!process || !process.send) {
throw new Error('Child can only be used on a forked process');
}
process.send([_types.PARENT_MESSAGE_OK, result]);
}
function reportClientError(error) {
return reportError(error, _types.PARENT_MESSAGE_CLIENT_ERROR);
}
function reportInitializeError(error) {
return reportError(error, _types.PARENT_MESSAGE_SETUP_ERROR);
}
function reportError(error, type) {
if (!process || !process.send) {
throw new Error('Child can only be used on a forked process');
}
if (error == null) {
error = new Error('"null" or "undefined" thrown');
}
process.send([
type,
error.constructor && error.constructor.name,
error.message,
error.stack,
typeof error === 'object' ? {...error} : error
]);
}
function end() {
const main = require(file);
if (!main.teardown) {
exitProcess();
return;
}
execFunction(main.teardown, main, [], exitProcess, exitProcess);
}
function exitProcess() {
// Clean up open handles so the process ideally exits gracefully
process.removeListener('message', messageListener);
}
function execMethod(method, args) {
const main = require(file);
let fn;
if (method === 'default') {
fn = main.__esModule ? main['default'] : main;
} else {
fn = main[method];
}
function execHelper() {
execFunction(fn, main, args, reportSuccess, reportClientError);
}
if (initialized || !main.setup) {
execHelper();
return;
}
initialized = true;
execFunction(main.setup, main, setupArgs, execHelper, reportInitializeError);
}
const isPromise = obj =>
!!obj &&
(typeof obj === 'object' || typeof obj === 'function') &&
typeof obj.then === 'function';
function execFunction(fn, ctx, args, onResult, onError) {
let result;
try {
result = fn.apply(ctx, args);
} catch (err) {
onError(err);
return;
}
if (isPromise(result)) {
result.then(onResult, onError);
} else {
onResult(result);
}
}

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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
export {};

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node_modules/jest-worker/build/workers/threadChild.js generated vendored Normal file
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'use strict';
function _worker_threads() {
const data = require('worker_threads');
_worker_threads = function () {
return data;
};
return data;
}
var _types = require('../types');
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
let file = null;
let setupArgs = [];
let initialized = false;
/**
* This file is a small bootstrapper for workers. It sets up the communication
* between the worker and the parent process, interpreting parent messages and
* sending results back.
*
* The file loaded will be lazily initialized the first time any of the workers
* is called. This is done for optimal performance: if the farm is initialized,
* but no call is made to it, child Node processes will be consuming the least
* possible amount of memory.
*
* If an invalid message is detected, the child will exit (by throwing) with a
* non-zero exit code.
*/
const messageListener = request => {
switch (request[0]) {
case _types.CHILD_MESSAGE_INITIALIZE:
const init = request;
file = init[2];
setupArgs = request[3];
process.env.JEST_WORKER_ID = request[4];
break;
case _types.CHILD_MESSAGE_CALL:
const call = request;
execMethod(call[2], call[3]);
break;
case _types.CHILD_MESSAGE_END:
end();
break;
default:
throw new TypeError(
'Unexpected request from parent process: ' + request[0]
);
}
};
_worker_threads().parentPort.on('message', messageListener);
function reportSuccess(result) {
if (_worker_threads().isMainThread) {
throw new Error('Child can only be used on a forked process');
}
_worker_threads().parentPort.postMessage([_types.PARENT_MESSAGE_OK, result]);
}
function reportClientError(error) {
return reportError(error, _types.PARENT_MESSAGE_CLIENT_ERROR);
}
function reportInitializeError(error) {
return reportError(error, _types.PARENT_MESSAGE_SETUP_ERROR);
}
function reportError(error, type) {
if (_worker_threads().isMainThread) {
throw new Error('Child can only be used on a forked process');
}
if (error == null) {
error = new Error('"null" or "undefined" thrown');
}
_worker_threads().parentPort.postMessage([
type,
error.constructor && error.constructor.name,
error.message,
error.stack,
typeof error === 'object' ? {...error} : error
]);
}
function end() {
const main = require(file);
if (!main.teardown) {
exitProcess();
return;
}
execFunction(main.teardown, main, [], exitProcess, exitProcess);
}
function exitProcess() {
// Clean up open handles so the worker ideally exits gracefully
_worker_threads().parentPort.removeListener('message', messageListener);
}
function execMethod(method, args) {
const main = require(file);
let fn;
if (method === 'default') {
fn = main.__esModule ? main['default'] : main;
} else {
fn = main[method];
}
function execHelper() {
execFunction(fn, main, args, reportSuccess, reportClientError);
}
if (initialized || !main.setup) {
execHelper();
return;
}
initialized = true;
execFunction(main.setup, main, setupArgs, execHelper, reportInitializeError);
}
const isPromise = obj =>
!!obj &&
(typeof obj === 'object' || typeof obj === 'function') &&
typeof obj.then === 'function';
function execFunction(fn, ctx, args, onResult, onError) {
let result;
try {
result = fn.apply(ctx, args);
} catch (err) {
onError(err);
return;
}
if (isPromise(result)) {
result.then(onResult, onError);
} else {
onResult(result);
}
}