?

node_modules/execa/lib/methods/bind.js

@@ -0,0 +1,23 @@
+import isPlainObject from 'is-plain-obj';
+import {FD_SPECIFIC_OPTIONS} from '../arguments/specific.js';
+
+// Deep merge specific options like `env`. Shallow merge the other ones.
+export const mergeOptions = (boundOptions, options) => {
+	const newOptions = Object.fromEntries(
+		Object.entries(options).map(([optionName, optionValue]) => [
+			optionName,
+			mergeOption(optionName, boundOptions[optionName], optionValue),
+		]),
+	);
+	return {...boundOptions, ...newOptions};
+};
+
+const mergeOption = (optionName, boundOptionValue, optionValue) => {
+	if (DEEP_OPTIONS.has(optionName) && isPlainObject(boundOptionValue) && isPlainObject(optionValue)) {
+		return {...boundOptionValue, ...optionValue};
+	}
+
+	return optionValue;
+};
+
+const DEEP_OPTIONS = new Set(['env', ...FD_SPECIFIC_OPTIONS]);

node_modules/execa/lib/methods/command.js

@@ -0,0 +1,43 @@
+// Main logic for `execaCommand()`
+export const mapCommandAsync = ({file, commandArguments}) => parseCommand(file, commandArguments);
+
+// Main logic for `execaCommandSync()`
+export const mapCommandSync = ({file, commandArguments}) => ({...parseCommand(file, commandArguments), isSync: true});
+
+// Convert `execaCommand(command)` into `execa(file, ...commandArguments)`
+const parseCommand = (command, unusedArguments) => {
+	if (unusedArguments.length > 0) {
+		throw new TypeError(`The command and its arguments must be passed as a single string: ${command} ${unusedArguments}.`);
+	}
+
+	const [file, ...commandArguments] = parseCommandString(command);
+	return {file, commandArguments};
+};
+
+// Convert `command` string into an array of file or arguments to pass to $`${...fileOrCommandArguments}`
+export const parseCommandString = command => {
+	if (typeof command !== 'string') {
+		throw new TypeError(`The command must be a string: ${String(command)}.`);
+	}
+
+	const trimmedCommand = command.trim();
+	if (trimmedCommand === '') {
+		return [];
+	}
+
+	const tokens = [];
+	for (const token of trimmedCommand.split(SPACES_REGEXP)) {
+		// Allow spaces to be escaped by a backslash if not meant as a delimiter
+		const previousToken = tokens.at(-1);
+		if (previousToken && previousToken.endsWith('\\')) {
+			// Merge previous token with current one
+			tokens[tokens.length - 1] = `${previousToken.slice(0, -1)} ${token}`;
+		} else {
+			tokens.push(token);
+		}
+	}
+
+	return tokens;
+};
+
+const SPACES_REGEXP = / +/g;

node_modules/execa/lib/methods/create.js

@@ -0,0 +1,65 @@
+import isPlainObject from 'is-plain-obj';
+import {normalizeParameters} from './parameters.js';
+import {isTemplateString, parseTemplates} from './template.js';
+import {execaCoreSync} from './main-sync.js';
+import {execaCoreAsync} from './main-async.js';
+import {mergeOptions} from './bind.js';
+
+// Wraps every exported methods to provide the following features:
+//  - template string syntax: execa`command argument`
+//  - options binding: boundExeca = execa(options)
+//  - optional argument/options: execa(file), execa(file, args), execa(file, options), execa(file, args, options)
+// `mapArguments()` and `setBoundExeca()` allows for method-specific logic.
+export const createExeca = (mapArguments, boundOptions, deepOptions, setBoundExeca) => {
+	const createNested = (mapArguments, boundOptions, setBoundExeca) => createExeca(mapArguments, boundOptions, deepOptions, setBoundExeca);
+	const boundExeca = (...execaArguments) => callBoundExeca({
+		mapArguments,
+		deepOptions,
+		boundOptions,
+		setBoundExeca,
+		createNested,
+	}, ...execaArguments);
+
+	if (setBoundExeca !== undefined) {
+		setBoundExeca(boundExeca, createNested, boundOptions);
+	}
+
+	return boundExeca;
+};
+
+const callBoundExeca = ({mapArguments, deepOptions = {}, boundOptions = {}, setBoundExeca, createNested}, firstArgument, ...nextArguments) => {
+	if (isPlainObject(firstArgument)) {
+		return createNested(mapArguments, mergeOptions(boundOptions, firstArgument), setBoundExeca);
+	}
+
+	const {file, commandArguments, options, isSync} = parseArguments({
+		mapArguments,
+		firstArgument,
+		nextArguments,
+		deepOptions,
+		boundOptions,
+	});
+	return isSync
+		? execaCoreSync(file, commandArguments, options)
+		: execaCoreAsync(file, commandArguments, options, createNested);
+};
+
+const parseArguments = ({mapArguments, firstArgument, nextArguments, deepOptions, boundOptions}) => {
+	const callArguments = isTemplateString(firstArgument)
+		? parseTemplates(firstArgument, nextArguments)
+		: [firstArgument, ...nextArguments];
+	const [initialFile, initialArguments, initialOptions] = normalizeParameters(...callArguments);
+	const mergedOptions = mergeOptions(mergeOptions(deepOptions, boundOptions), initialOptions);
+	const {
+		file = initialFile,
+		commandArguments = initialArguments,
+		options = mergedOptions,
+		isSync = false,
+	} = mapArguments({file: initialFile, commandArguments: initialArguments, options: mergedOptions});
+	return {
+		file,
+		commandArguments,
+		options,
+		isSync,
+	};
+};

node_modules/execa/lib/methods/main-async.js

@@ -0,0 +1,193 @@
+import {setMaxListeners} from 'node:events';
+import {spawn} from 'node:child_process';
+import {MaxBufferError} from 'get-stream';
+import {handleCommand} from '../arguments/command.js';
+import {normalizeOptions} from '../arguments/options.js';
+import {SUBPROCESS_OPTIONS} from '../arguments/fd-options.js';
+import {addIpcMethods} from '../ipc/methods.js';
+import {makeError, makeSuccessResult} from '../return/result.js';
+import {handleResult} from '../return/reject.js';
+import {handleEarlyError} from '../return/early-error.js';
+import {handleStdioAsync} from '../stdio/handle-async.js';
+import {stripNewline} from '../io/strip-newline.js';
+import {pipeOutputAsync} from '../io/output-async.js';
+import {subprocessKill} from '../terminate/kill.js';
+import {cleanupOnExit} from '../terminate/cleanup.js';
+import {pipeToSubprocess} from '../pipe/setup.js';
+import {makeAllStream} from '../resolve/all-async.js';
+import {waitForSubprocessResult} from '../resolve/wait-subprocess.js';
+import {addConvertedStreams} from '../convert/add.js';
+import {createDeferred} from '../utils/deferred.js';
+import {mergePromise} from './promise.js';
+
+// Main shared logic for all async methods: `execa()`, `$`, `execaNode()`
+export const execaCoreAsync = (rawFile, rawArguments, rawOptions, createNested) => {
+	const {file, commandArguments, command, escapedCommand, startTime, verboseInfo, options, fileDescriptors} = handleAsyncArguments(rawFile, rawArguments, rawOptions);
+	const {subprocess, promise} = spawnSubprocessAsync({
+		file,
+		commandArguments,
+		options,
+		startTime,
+		verboseInfo,
+		command,
+		escapedCommand,
+		fileDescriptors,
+	});
+	subprocess.pipe = pipeToSubprocess.bind(undefined, {
+		source: subprocess,
+		sourcePromise: promise,
+		boundOptions: {},
+		createNested,
+	});
+	mergePromise(subprocess, promise);
+	SUBPROCESS_OPTIONS.set(subprocess, {options, fileDescriptors});
+	return subprocess;
+};
+
+// Compute arguments to pass to `child_process.spawn()`
+const handleAsyncArguments = (rawFile, rawArguments, rawOptions) => {
+	const {command, escapedCommand, startTime, verboseInfo} = handleCommand(rawFile, rawArguments, rawOptions);
+	const {file, commandArguments, options: normalizedOptions} = normalizeOptions(rawFile, rawArguments, rawOptions);
+	const options = handleAsyncOptions(normalizedOptions);
+	const fileDescriptors = handleStdioAsync(options, verboseInfo);
+	return {
+		file,
+		commandArguments,
+		command,
+		escapedCommand,
+		startTime,
+		verboseInfo,
+		options,
+		fileDescriptors,
+	};
+};
+
+// Options normalization logic specific to async methods.
+// Prevent passing the `timeout` option directly to `child_process.spawn()`.
+const handleAsyncOptions = ({timeout, signal, ...options}) => {
+	if (signal !== undefined) {
+		throw new TypeError('The "signal" option has been renamed to "cancelSignal" instead.');
+	}
+
+	return {...options, timeoutDuration: timeout};
+};
+
+const spawnSubprocessAsync = ({file, commandArguments, options, startTime, verboseInfo, command, escapedCommand, fileDescriptors}) => {
+	let subprocess;
+	try {
+		subprocess = spawn(file, commandArguments, options);
+	} catch (error) {
+		return handleEarlyError({
+			error,
+			command,
+			escapedCommand,
+			fileDescriptors,
+			options,
+			startTime,
+			verboseInfo,
+		});
+	}
+
+	const controller = new AbortController();
+	setMaxListeners(Number.POSITIVE_INFINITY, controller.signal);
+
+	const originalStreams = [...subprocess.stdio];
+	pipeOutputAsync(subprocess, fileDescriptors, controller);
+	cleanupOnExit(subprocess, options, controller);
+
+	const context = {};
+	const onInternalError = createDeferred();
+	subprocess.kill = subprocessKill.bind(undefined, {
+		kill: subprocess.kill.bind(subprocess),
+		options,
+		onInternalError,
+		context,
+		controller,
+	});
+	subprocess.all = makeAllStream(subprocess, options);
+	addConvertedStreams(subprocess, options);
+	addIpcMethods(subprocess, options);
+
+	const promise = handlePromise({
+		subprocess,
+		options,
+		startTime,
+		verboseInfo,
+		fileDescriptors,
+		originalStreams,
+		command,
+		escapedCommand,
+		context,
+		onInternalError,
+		controller,
+	});
+	return {subprocess, promise};
+};
+
+// Asynchronous logic, as opposed to the previous logic which can be run synchronously, i.e. can be returned to user right away
+const handlePromise = async ({subprocess, options, startTime, verboseInfo, fileDescriptors, originalStreams, command, escapedCommand, context, onInternalError, controller}) => {
+	const [
+		errorInfo,
+		[exitCode, signal],
+		stdioResults,
+		allResult,
+		ipcOutput,
+	] = await waitForSubprocessResult({
+		subprocess,
+		options,
+		context,
+		verboseInfo,
+		fileDescriptors,
+		originalStreams,
+		onInternalError,
+		controller,
+	});
+	controller.abort();
+	onInternalError.resolve();
+
+	const stdio = stdioResults.map((stdioResult, fdNumber) => stripNewline(stdioResult, options, fdNumber));
+	const all = stripNewline(allResult, options, 'all');
+	const result = getAsyncResult({
+		errorInfo,
+		exitCode,
+		signal,
+		stdio,
+		all,
+		ipcOutput,
+		context,
+		options,
+		command,
+		escapedCommand,
+		startTime,
+	});
+	return handleResult(result, verboseInfo, options);
+};
+
+const getAsyncResult = ({errorInfo, exitCode, signal, stdio, all, ipcOutput, context, options, command, escapedCommand, startTime}) => 'error' in errorInfo
+	? makeError({
+		error: errorInfo.error,
+		command,
+		escapedCommand,
+		timedOut: context.terminationReason === 'timeout',
+		isCanceled: context.terminationReason === 'cancel' || context.terminationReason === 'gracefulCancel',
+		isGracefullyCanceled: context.terminationReason === 'gracefulCancel',
+		isMaxBuffer: errorInfo.error instanceof MaxBufferError,
+		isForcefullyTerminated: context.isForcefullyTerminated,
+		exitCode,
+		signal,
+		stdio,
+		all,
+		ipcOutput,
+		options,
+		startTime,
+		isSync: false,
+	})
+	: makeSuccessResult({
+		command,
+		escapedCommand,
+		stdio,
+		all,
+		ipcOutput,
+		options,
+		startTime,
+	});

node_modules/execa/lib/methods/main-sync.js

@@ -0,0 +1,162 @@
+import {spawnSync} from 'node:child_process';
+import {handleCommand} from '../arguments/command.js';
+import {normalizeOptions} from '../arguments/options.js';
+import {makeError, makeEarlyError, makeSuccessResult} from '../return/result.js';
+import {handleResult} from '../return/reject.js';
+import {handleStdioSync} from '../stdio/handle-sync.js';
+import {stripNewline} from '../io/strip-newline.js';
+import {addInputOptionsSync} from '../io/input-sync.js';
+import {transformOutputSync} from '../io/output-sync.js';
+import {getMaxBufferSync} from '../io/max-buffer.js';
+import {getAllSync} from '../resolve/all-sync.js';
+import {getExitResultSync} from '../resolve/exit-sync.js';
+
+// Main shared logic for all sync methods: `execaSync()`, `$.sync()`
+export const execaCoreSync = (rawFile, rawArguments, rawOptions) => {
+	const {file, commandArguments, command, escapedCommand, startTime, verboseInfo, options, fileDescriptors} = handleSyncArguments(rawFile, rawArguments, rawOptions);
+	const result = spawnSubprocessSync({
+		file,
+		commandArguments,
+		options,
+		command,
+		escapedCommand,
+		verboseInfo,
+		fileDescriptors,
+		startTime,
+	});
+	return handleResult(result, verboseInfo, options);
+};
+
+// Compute arguments to pass to `child_process.spawnSync()`
+const handleSyncArguments = (rawFile, rawArguments, rawOptions) => {
+	const {command, escapedCommand, startTime, verboseInfo} = handleCommand(rawFile, rawArguments, rawOptions);
+	const syncOptions = normalizeSyncOptions(rawOptions);
+	const {file, commandArguments, options} = normalizeOptions(rawFile, rawArguments, syncOptions);
+	validateSyncOptions(options);
+	const fileDescriptors = handleStdioSync(options, verboseInfo);
+	return {
+		file,
+		commandArguments,
+		command,
+		escapedCommand,
+		startTime,
+		verboseInfo,
+		options,
+		fileDescriptors,
+	};
+};
+
+// Options normalization logic specific to sync methods
+const normalizeSyncOptions = options => options.node && !options.ipc ? {...options, ipc: false} : options;
+
+// Options validation logic specific to sync methods
+const validateSyncOptions = ({ipc, ipcInput, detached, cancelSignal}) => {
+	if (ipcInput) {
+		throwInvalidSyncOption('ipcInput');
+	}
+
+	if (ipc) {
+		throwInvalidSyncOption('ipc: true');
+	}
+
+	if (detached) {
+		throwInvalidSyncOption('detached: true');
+	}
+
+	if (cancelSignal) {
+		throwInvalidSyncOption('cancelSignal');
+	}
+};
+
+const throwInvalidSyncOption = value => {
+	throw new TypeError(`The "${value}" option cannot be used with synchronous methods.`);
+};
+
+const spawnSubprocessSync = ({file, commandArguments, options, command, escapedCommand, verboseInfo, fileDescriptors, startTime}) => {
+	const syncResult = runSubprocessSync({
+		file,
+		commandArguments,
+		options,
+		command,
+		escapedCommand,
+		fileDescriptors,
+		startTime,
+	});
+	if (syncResult.failed) {
+		return syncResult;
+	}
+
+	const {resultError, exitCode, signal, timedOut, isMaxBuffer} = getExitResultSync(syncResult, options);
+	const {output, error = resultError} = transformOutputSync({
+		fileDescriptors,
+		syncResult,
+		options,
+		isMaxBuffer,
+		verboseInfo,
+	});
+	const stdio = output.map((stdioOutput, fdNumber) => stripNewline(stdioOutput, options, fdNumber));
+	const all = stripNewline(getAllSync(output, options), options, 'all');
+	return getSyncResult({
+		error,
+		exitCode,
+		signal,
+		timedOut,
+		isMaxBuffer,
+		stdio,
+		all,
+		options,
+		command,
+		escapedCommand,
+		startTime,
+	});
+};
+
+const runSubprocessSync = ({file, commandArguments, options, command, escapedCommand, fileDescriptors, startTime}) => {
+	try {
+		addInputOptionsSync(fileDescriptors, options);
+		const normalizedOptions = normalizeSpawnSyncOptions(options);
+		return spawnSync(file, commandArguments, normalizedOptions);
+	} catch (error) {
+		return makeEarlyError({
+			error,
+			command,
+			escapedCommand,
+			fileDescriptors,
+			options,
+			startTime,
+			isSync: true,
+		});
+	}
+};
+
+// The `encoding` option is handled by Execa, not by `child_process.spawnSync()`
+const normalizeSpawnSyncOptions = ({encoding, maxBuffer, ...options}) => ({...options, encoding: 'buffer', maxBuffer: getMaxBufferSync(maxBuffer)});
+
+const getSyncResult = ({error, exitCode, signal, timedOut, isMaxBuffer, stdio, all, options, command, escapedCommand, startTime}) => error === undefined
+	? makeSuccessResult({
+		command,
+		escapedCommand,
+		stdio,
+		all,
+		ipcOutput: [],
+		options,
+		startTime,
+	})
+	: makeError({
+		error,
+		command,
+		escapedCommand,
+		timedOut,
+		isCanceled: false,
+		isGracefullyCanceled: false,
+		isMaxBuffer,
+		isForcefullyTerminated: false,
+		exitCode,
+		signal,
+		stdio,
+		all,
+		ipcOutput: [],
+		options,
+		startTime,
+		isSync: true,
+	});

node_modules/execa/lib/methods/node.js

@@ -0,0 +1,51 @@
+import {execPath, execArgv} from 'node:process';
+import path from 'node:path';
+import {safeNormalizeFileUrl} from '../arguments/file-url.js';
+
+// `execaNode()` is a shortcut for `execa(..., {node: true})`
+export const mapNode = ({options}) => {
+	if (options.node === false) {
+		throw new TypeError('The "node" option cannot be false with `execaNode()`.');
+	}
+
+	return {options: {...options, node: true}};
+};
+
+// Applies the `node: true` option, and the related `nodePath`/`nodeOptions` options.
+// Modifies the file commands/arguments to ensure the same Node binary and flags are re-used.
+// Also adds `ipc: true` and `shell: false`.
+export const handleNodeOption = (file, commandArguments, {
+	node: shouldHandleNode = false,
+	nodePath = execPath,
+	nodeOptions = execArgv.filter(nodeOption => !nodeOption.startsWith('--inspect')),
+	cwd,
+	execPath: formerNodePath,
+	...options
+}) => {
+	if (formerNodePath !== undefined) {
+		throw new TypeError('The "execPath" option has been removed. Please use the "nodePath" option instead.');
+	}
+
+	const normalizedNodePath = safeNormalizeFileUrl(nodePath, 'The "nodePath" option');
+	const resolvedNodePath = path.resolve(cwd, normalizedNodePath);
+	const newOptions = {
+		...options,
+		nodePath: resolvedNodePath,
+		node: shouldHandleNode,
+		cwd,
+	};
+
+	if (!shouldHandleNode) {
+		return [file, commandArguments, newOptions];
+	}
+
+	if (path.basename(file, '.exe') === 'node') {
+		throw new TypeError('When the "node" option is true, the first argument does not need to be "node".');
+	}
+
+	return [
+		resolvedNodePath,
+		[...nodeOptions, file, ...commandArguments],
+		{ipc: true, ...newOptions, shell: false},
+	];
+};

node_modules/execa/lib/methods/parameters.js

@@ -0,0 +1,31 @@
+import isPlainObject from 'is-plain-obj';
+import {safeNormalizeFileUrl} from '../arguments/file-url.js';
+
+// The command `arguments` and `options` are both optional.
+// This also does basic validation on them and on the command file.
+export const normalizeParameters = (rawFile, rawArguments = [], rawOptions = {}) => {
+	const filePath = safeNormalizeFileUrl(rawFile, 'First argument');
+	const [commandArguments, options] = isPlainObject(rawArguments)
+		? [[], rawArguments]
+		: [rawArguments, rawOptions];
+
+	if (!Array.isArray(commandArguments)) {
+		throw new TypeError(`Second argument must be either an array of arguments or an options object: ${commandArguments}`);
+	}
+
+	if (commandArguments.some(commandArgument => typeof commandArgument === 'object' && commandArgument !== null)) {
+		throw new TypeError(`Second argument must be an array of strings: ${commandArguments}`);
+	}
+
+	const normalizedArguments = commandArguments.map(String);
+	const nullByteArgument = normalizedArguments.find(normalizedArgument => normalizedArgument.includes('\0'));
+	if (nullByteArgument !== undefined) {
+		throw new TypeError(`Arguments cannot contain null bytes ("\\0"): ${nullByteArgument}`);
+	}
+
+	if (!isPlainObject(options)) {
+		throw new TypeError(`Last argument must be an options object: ${options}`);
+	}
+
+	return [filePath, normalizedArguments, options];
+};

node_modules/execa/lib/methods/promise.js

@@ -0,0 +1,15 @@
+// The return value is a mixin of `subprocess` and `Promise`
+export const mergePromise = (subprocess, promise) => {
+	for (const [property, descriptor] of descriptors) {
+		const value = descriptor.value.bind(promise);
+		Reflect.defineProperty(subprocess, property, {...descriptor, value});
+	}
+};
+
+// eslint-disable-next-line unicorn/prefer-top-level-await
+const nativePromisePrototype = (async () => {})().constructor.prototype;
+
+const descriptors = ['then', 'catch', 'finally'].map(property => [
+	property,
+	Reflect.getOwnPropertyDescriptor(nativePromisePrototype, property),
+]);

node_modules/execa/lib/methods/script.js

@@ -0,0 +1,22 @@
+// Sets `$.sync` and `$.s`
+export const setScriptSync = (boundExeca, createNested, boundOptions) => {
+	boundExeca.sync = createNested(mapScriptSync, boundOptions);
+	boundExeca.s = boundExeca.sync;
+};
+
+// Main logic for `$`
+export const mapScriptAsync = ({options}) => getScriptOptions(options);
+
+// Main logic for `$.sync`
+const mapScriptSync = ({options}) => ({...getScriptOptions(options), isSync: true});
+
+// `$` is like `execa` but with script-friendly options: `{stdin: 'inherit', preferLocal: true}`
+const getScriptOptions = options => ({options: {...getScriptStdinOption(options), ...options}});
+
+const getScriptStdinOption = ({input, inputFile, stdio}) => input === undefined && inputFile === undefined && stdio === undefined
+	? {stdin: 'inherit'}
+	: {};
+
+// When using $(...).pipe(...), most script-friendly options should apply to both commands.
+// However, some options (like `stdin: 'inherit'`) would create issues with piping, i.e. cannot be deep.
+export const deepScriptOptions = {preferLocal: true};

node_modules/execa/lib/methods/template.js

@@ -0,0 +1,153 @@
+import {ChildProcess} from 'node:child_process';
+import isPlainObject from 'is-plain-obj';
+import {isUint8Array, uint8ArrayToString} from '../utils/uint-array.js';
+
+// Check whether the template string syntax is being used
+export const isTemplateString = templates => Array.isArray(templates) && Array.isArray(templates.raw);
+
+// Convert execa`file ...commandArguments` to execa(file, commandArguments)
+export const parseTemplates = (templates, expressions) => {
+	let tokens = [];
+
+	for (const [index, template] of templates.entries()) {
+		tokens = parseTemplate({
+			templates,
+			expressions,
+			tokens,
+			index,
+			template,
+		});
+	}
+
+	if (tokens.length === 0) {
+		throw new TypeError('Template script must not be empty');
+	}
+
+	const [file, ...commandArguments] = tokens;
+	return [file, commandArguments, {}];
+};
+
+const parseTemplate = ({templates, expressions, tokens, index, template}) => {
+	if (template === undefined) {
+		throw new TypeError(`Invalid backslash sequence: ${templates.raw[index]}`);
+	}
+
+	const {nextTokens, leadingWhitespaces, trailingWhitespaces} = splitByWhitespaces(template, templates.raw[index]);
+	const newTokens = concatTokens(tokens, nextTokens, leadingWhitespaces);
+
+	if (index === expressions.length) {
+		return newTokens;
+	}
+
+	const expression = expressions[index];
+	const expressionTokens = Array.isArray(expression)
+		? expression.map(expression => parseExpression(expression))
+		: [parseExpression(expression)];
+	return concatTokens(newTokens, expressionTokens, trailingWhitespaces);
+};
+
+// Like `string.split(/[ \t\r\n]+/)` except newlines and tabs are:
+//  - ignored when input as a backslash sequence like: `echo foo\n bar`
+//  - not ignored when input directly
+// The only way to distinguish those in JavaScript is to use a tagged template and compare:
+//  - the first array argument, which does not escape backslash sequences
+//  - its `raw` property, which escapes them
+const splitByWhitespaces = (template, rawTemplate) => {
+	if (rawTemplate.length === 0) {
+		return {nextTokens: [], leadingWhitespaces: false, trailingWhitespaces: false};
+	}
+
+	const nextTokens = [];
+	let templateStart = 0;
+	const leadingWhitespaces = DELIMITERS.has(rawTemplate[0]);
+
+	for (
+		let templateIndex = 0, rawIndex = 0;
+		templateIndex < template.length;
+		templateIndex += 1, rawIndex += 1
+	) {
+		const rawCharacter = rawTemplate[rawIndex];
+		if (DELIMITERS.has(rawCharacter)) {
+			if (templateStart !== templateIndex) {
+				nextTokens.push(template.slice(templateStart, templateIndex));
+			}
+
+			templateStart = templateIndex + 1;
+		} else if (rawCharacter === '\\') {
+			const nextRawCharacter = rawTemplate[rawIndex + 1];
+			if (nextRawCharacter === '\n') {
+				// Handles escaped newlines in templates
+				templateIndex -= 1;
+				rawIndex += 1;
+			} else if (nextRawCharacter === 'u' && rawTemplate[rawIndex + 2] === '{') {
+				rawIndex = rawTemplate.indexOf('}', rawIndex + 3);
+			} else {
+				rawIndex += ESCAPE_LENGTH[nextRawCharacter] ?? 1;
+			}
+		}
+	}
+
+	const trailingWhitespaces = templateStart === template.length;
+	if (!trailingWhitespaces) {
+		nextTokens.push(template.slice(templateStart));
+	}
+
+	return {nextTokens, leadingWhitespaces, trailingWhitespaces};
+};
+
+const DELIMITERS = new Set([' ', '\t', '\r', '\n']);
+
+// Number of characters in backslash escape sequences: \0 \xXX or \uXXXX
+// \cX is allowed in RegExps but not in strings
+// Octal sequences are not allowed in strict mode
+const ESCAPE_LENGTH = {x: 3, u: 5};
+
+const concatTokens = (tokens, nextTokens, isSeparated) => isSeparated
+	|| tokens.length === 0
+	|| nextTokens.length === 0
+	? [...tokens, ...nextTokens]
+	: [
+		...tokens.slice(0, -1),
+		`${tokens.at(-1)}${nextTokens[0]}`,
+		...nextTokens.slice(1),
+	];
+
+// Handle `${expression}` inside the template string syntax
+const parseExpression = expression => {
+	const typeOfExpression = typeof expression;
+
+	if (typeOfExpression === 'string') {
+		return expression;
+	}
+
+	if (typeOfExpression === 'number') {
+		return String(expression);
+	}
+
+	if (isPlainObject(expression) && ('stdout' in expression || 'isMaxBuffer' in expression)) {
+		return getSubprocessResult(expression);
+	}
+
+	if (expression instanceof ChildProcess || Object.prototype.toString.call(expression) === '[object Promise]') {
+		// eslint-disable-next-line no-template-curly-in-string
+		throw new TypeError('Unexpected subprocess in template expression. Please use ${await subprocess} instead of ${subprocess}.');
+	}
+
+	throw new TypeError(`Unexpected "${typeOfExpression}" in template expression`);
+};
+
+const getSubprocessResult = ({stdout}) => {
+	if (typeof stdout === 'string') {
+		return stdout;
+	}
+
+	if (isUint8Array(stdout)) {
+		return uint8ArrayToString(stdout);
+	}
+
+	if (stdout === undefined) {
+		throw new TypeError('Missing result.stdout in template expression. This is probably due to the previous subprocess\' "stdout" option.');
+	}
+
+	throw new TypeError(`Unexpected "${typeof stdout}" stdout in template expression`);
+};