initial commit of actions

github/codeql-action-v2/node_modules/ava/lib/worker/base.js

@@ -0,0 +1,239 @@
+import {createRequire} from 'node:module';
+import process from 'node:process';
+import {pathToFileURL} from 'node:url';
+import {workerData} from 'node:worker_threads';
+
+import setUpCurrentlyUnhandled from 'currently-unhandled';
+
+import {set as setChalk} from '../chalk.js';
+import nowAndTimers from '../now-and-timers.cjs';
+import providerManager from '../provider-manager.js';
+import Runner from '../runner.js';
+import serializeError from '../serialize-error.js';
+
+import channel from './channel.cjs';
+import dependencyTracking from './dependency-tracker.js';
+import lineNumberSelection from './line-numbers.js';
+import {set as setOptions} from './options.cjs';
+import {flags, refs, sharedWorkerTeardowns} from './state.cjs';
+import {isRunningInThread, isRunningInChildProcess} from './utils.cjs';
+
+const currentlyUnhandled = setUpCurrentlyUnhandled();
+let runner;
+
+// Override process.exit with an undetectable replacement
+// to report when it is called from a test (which it should never be).
+const {apply} = Reflect;
+const realExit = process.exit;
+
+async function exit(code, forceSync = false) {
+	dependencyTracking.flush();
+	const flushing = channel.flush();
+	if (!forceSync) {
+		await flushing;
+	}
+
+	apply(realExit, process, [code]);
+}
+
+const handleProcessExit = (fn, receiver, args) => {
+	const error = new Error('Unexpected process.exit()');
+	Error.captureStackTrace(error, handleProcessExit);
+	const {stack} = serializeError('', true, error);
+	channel.send({type: 'process-exit', stack});
+
+	// Make sure to extract the code only from `args` rather than e.g. `Array.prototype`.
+	// This level of paranoia is usually unwarranted, but we're dealing with test code
+	// that has already colored outside the lines.
+	const code = args.length > 0 ? args[0] : undefined;
+
+	// Force a synchronous exit as guaranteed by the real process.exit().
+	exit(code, true);
+};
+
+process.exit = new Proxy(realExit, {
+	apply: handleProcessExit,
+});
+
+const run = async options => {
+	setOptions(options);
+	setChalk(options.chalkOptions);
+
+	if (options.chalkOptions.level > 0) {
+		const {stdout, stderr} = process;
+		global.console = Object.assign(global.console, new console.Console({stdout, stderr, colorMode: true}));
+	}
+
+	let checkSelectedByLineNumbers;
+	try {
+		checkSelectedByLineNumbers = lineNumberSelection({
+			file: options.file,
+			lineNumbers: options.lineNumbers,
+		});
+	} catch (error) {
+		channel.send({type: 'line-number-selection-error', err: serializeError('Line number selection error', false, error, options.file)});
+		checkSelectedByLineNumbers = () => false;
+	}
+
+	runner = new Runner({
+		checkSelectedByLineNumbers,
+		experiments: options.experiments,
+		failFast: options.failFast,
+		failWithoutAssertions: options.failWithoutAssertions,
+		file: options.file,
+		match: options.match,
+		projectDir: options.projectDir,
+		recordNewSnapshots: options.recordNewSnapshots,
+		runOnlyExclusive: options.runOnlyExclusive,
+		serial: options.serial,
+		snapshotDir: options.snapshotDir,
+		updateSnapshots: options.updateSnapshots,
+	});
+
+	refs.runnerChain = runner.chain;
+
+	channel.peerFailed.then(() => {
+		runner.interrupt();
+	});
+
+	runner.on('dependency', dependencyTracking.track);
+	runner.on('stateChange', state => channel.send(state));
+
+	runner.on('error', error => {
+		channel.send({type: 'internal-error', err: serializeError('Internal runner error', false, error, runner.file)});
+		exit(1);
+	});
+
+	runner.on('finish', async () => {
+		try {
+			const {touchedFiles} = await runner.saveSnapshotState();
+			if (touchedFiles) {
+				channel.send({type: 'touched-files', files: touchedFiles});
+			}
+		} catch (error) {
+			channel.send({type: 'internal-error', err: serializeError('Internal runner error', false, error, runner.file)});
+			exit(1);
+			return;
+		}
+
+		try {
+			await Promise.all(sharedWorkerTeardowns.map(fn => fn()));
+		} catch (error) {
+			channel.send({type: 'uncaught-exception', err: serializeError('Shared worker teardown error', false, error, runner.file)});
+			exit(1);
+			return;
+		}
+
+		nowAndTimers.setImmediate(() => {
+			for (const rejection of currentlyUnhandled()) {
+				channel.send({type: 'unhandled-rejection', err: serializeError('Unhandled rejection', true, rejection.reason, runner.file)});
+			}
+
+			exit(0);
+		});
+	});
+
+	process.on('uncaughtException', error => {
+		channel.send({type: 'uncaught-exception', err: serializeError('Uncaught exception', true, error, runner.file)});
+		exit(1);
+	});
+
+	// Store value to prevent required modules from modifying it.
+	const testPath = options.file;
+
+	const extensionsToLoadAsModules = Object.entries(options.moduleTypes)
+		.filter(([, type]) => type === 'module')
+		.map(([extension]) => extension);
+
+	// Install before processing options.require, so if helpers are added to the
+	// require configuration the *compiled* helper will be loaded.
+	const {projectDir, providerStates = []} = options;
+	const providers = [];
+	await Promise.all(providerStates.map(async ({type, state}) => {
+		if (type === 'typescript') {
+			const provider = await providerManager.typescript(projectDir);
+			providers.push(provider.worker({extensionsToLoadAsModules, state}));
+		}
+	}));
+
+	const require = createRequire(import.meta.url);
+	const load = async ref => {
+		for (const provider of providers) {
+			if (provider.canLoad(ref)) {
+				return provider.load(ref, {requireFn: require});
+			}
+		}
+
+		for (const extension of extensionsToLoadAsModules) {
+			if (ref.endsWith(`.${extension}`)) {
+				return import(pathToFileURL(ref));
+			}
+		}
+
+		// We still support require() since it's more easily monkey-patched.
+		return require(ref);
+	};
+
+	try {
+		for await (const ref of (options.require || [])) {
+			await load(ref);
+		}
+
+		// Install dependency tracker after the require configuration has been evaluated
+		// to make sure we also track dependencies with custom require hooks
+		dependencyTracking.install(require.extensions, testPath);
+
+		if (options.debug && options.debug.port !== undefined && options.debug.host !== undefined) {
+			// If an inspector was active when the main process started, and is
+			// already active for the worker process, do not open a new one.
+			const {default: inspector} = await import('node:inspector');
+			if (!options.debug.active || inspector.url() === undefined) {
+				inspector.open(options.debug.port, options.debug.host, true);
+			}
+
+			if (options.debug.break) {
+				debugger; // eslint-disable-line no-debugger
+			}
+		}
+
+		await load(testPath);
+
+		if (flags.loadedMain) {
+			// Unreference the channel if the test file required AVA. This stops it
+			// from keeping the event loop busy, which means the `beforeExit` event can be
+			// used to detect when tests stall.
+			channel.unref();
+		} else {
+			channel.send({type: 'missing-ava-import'});
+			exit(1);
+		}
+	} catch (error) {
+		channel.send({type: 'uncaught-exception', err: serializeError('Uncaught exception', true, error, runner.file)});
+		exit(1);
+	}
+};
+
+const onError = error => {
+	// There shouldn't be any errors, but if there are we may not have managed
+	// to bootstrap enough code to serialize them. Re-throw and let the process
+	// crash.
+	setImmediate(() => {
+		throw error;
+	});
+};
+
+let options;
+if (isRunningInThread) {
+	channel.send({type: 'starting'}); // AVA won't terminate the worker thread until it's seen this message.
+	({options} = workerData);
+	delete workerData.options; // Don't allow user code access.
+} else if (isRunningInChildProcess) {
+	channel.send({type: 'ready-for-options'});
+	options = await channel.options;
+}
+
+try {
+	await run(options);
+} catch (error) {
+	onError(error);
+}