@php-wasm/util - npm Package Compare versions

Comparing version 3.1.44 to 3.1.45

lib/php-event.d.ts

+/**
+ * Explicitly marks an event whose `stdin` ReadableStream needs an independent
+ * branch per listener and must be transferred across worker boundaries. The
+ * global symbol registry keeps the marker stable if this package is loaded
+ * more than once in the same realm.
+ */
+export declare const phpEventStdinTransfer: unique symbol;
+export type PHPEventWithStdinTransfer = {
+    type: string;
+    stdin: ReadableStream<Uint8Array>;
+    [phpEventStdinTransfer]: true;
+};

lib/spawn-handlers/sendmail.d.ts

+import { type PHPEventWithStdinTransfer } from '../php-event';
+/**
+ * Limit captured sendmail stdin to 20 MB to match common email size limits.
+ *
+ * Gmail limits email attachments to 25 MB https://support.google.com/mail/answer/6584
+ * Outlook limits email attachments to 20 MB https://support.microsoft.com/outlook/reduce-attachment-size-to-send-large-files-with-outlook
+ */
+export declare const SENDMAIL_CAPTURE_MAX_SIZE: number;
+/**
+ * Emitted when a sendmail null transport receives the first stdin bytes from
+ * `mail()`, `popen()`, `proc_open()`, or any other spawn of a `sendmail` binary.
+ */
+export interface PHPSendmailSpawnedEvent extends PHPEventWithStdinTransfer {
+    type: 'sendmail.spawned';
+}
+/**
+ * Creates a sendmail-compatible null transport for the given PHP instance.
+ * Every message handed to sendmail – via mail(), proc_open(), etc. – is streamed
+ * from stdin, dispatched as a `sendmail.spawned` event, and never delivered.
+ * A listener that wants real delivery must relay the message itself.
+ *
+ * The captured payload is exposed as the raw bytes written to sendmail stdin.
+ *
+ * This stream does not apply backpressure to PHP. Each listener queues unread
+ * chunks in JavaScript memory when it reads more slowly than PHP writes. The
+ * source accepts at most SENDMAIL_CAPTURE_MAX_SIZE bytes. Cancelling the stream
+ * stops delivery through that stream without terminating the sendmail process.
+ */
+export declare function sendmailSpawnHandler(php: {
+    dispatchEvent: (event: PHPSendmailSpawnedEvent) => void;
+}): any;

index.cjs

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index.cjs.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"index.cjs","sources":["../../../../packages/php-wasm/util/src/lib/sleep.ts","../../../../packages/php-wasm/util/src/lib/semaphore.ts","../../../../packages/php-wasm/util/src/lib/php-wasm-error.ts","../../../../packages/php-wasm/util/src/lib/paths.ts","../../../../packages/php-wasm/util/src/lib/event-emitter-polyfill.ts","../../../../packages/php-wasm/util/src/lib/split-shell-command.ts","../../../../packages/php-wasm/util/src/lib/writable-polyfill.ts","../../../../packages/php-wasm/util/src/lib/create-spawn-handler.ts","../../../../packages/php-wasm/util/src/lib/random-string.ts","../../../../packages/php-wasm/util/src/lib/random-filename.ts","../../../../packages/php-wasm/util/src/lib/php-vars.ts","../../../../packages/php-wasm/util/src/lib/sprintf.ts","../../../../packages/php-wasm/util/src/lib/index.ts"],"sourcesContent":["export const SleepFinished = Symbol('SleepFinished');\n\nexport function sleep(ms: number): Promise<typeof SleepFinished> {\n\treturn new Promise((resolve) => {\n\t\tsetTimeout(() => resolve(SleepFinished), ms);\n\t});\n}\n","import { SleepFinished, sleep } from './sleep';\n\nexport interface SemaphoreOptions {\n\t/**\n\t * The maximum number of concurrent locks.\n\t */\n\tconcurrency: number;\n\t/**\n\t * The maximum time to wait for a lock to become available.\n\t */\n\ttimeout?: number;\n}\n\nexport class AcquireTimeoutError extends Error {\n\tconstructor() {\n\t\tsuper('Acquiring lock timed out');\n\t}\n}\n\nexport default class Semaphore {\n\tprivate _running = 0;\n\tprivate concurrency: number;\n\tprivate timeout?: number;\n\tprivate queue: (() => void)[];\n\n\tconstructor({ concurrency, timeout }: SemaphoreOptions) {\n\t\tthis.concurrency = concurrency;\n\t\tthis.timeout = timeout;\n\t\tthis.queue = [];\n\t}\n\n\tget remaining(): number {\n\t\treturn this.concurrency - this.running;\n\t}\n\n\tget running(): number {\n\t\treturn this._running;\n\t}\n\n\tasync acquire(): Promise<() => void> {\n\t\t// Concurrency exhausted - wait in queue for other workers to finish:\n\t\tif (this._running >= this.concurrency) {\n\t\t\t// Create a promise and store its resolver in the queue.\n\t\t\tconst acquired = new Promise<void>((resolve) => {\n\t\t\t\tthis.queue.push(resolve);\n\t\t\t});\n\n\t\t\t// Wait until it is resolved by another worker or a timeout occurs.\n\t\t\tif (this.timeout !== undefined) {\n\t\t\t\t// Store the resolver for cleanup in case of timeout.\n\t\t\t\tconst resolve = this.queue.at(-1)!;\n\t\t\t\tconst result = await Promise.race([\n\t\t\t\t\tacquired,\n\t\t\t\t\tsleep(this.timeout),\n\t\t\t\t]);\n\t\t\t\tif (result === SleepFinished) {\n\t\t\t\t\t// Remove the resolver for the timed out worker from the queue.\n\t\t\t\t\tthis.queue.splice(this.queue.indexOf(resolve), 1);\n\t\t\t\t\tthrow new AcquireTimeoutError();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tawait acquired;\n\t\t\t}\n\t\t}\n\n\t\t// Acquire the lock:\n\t\tthis._running++;\n\t\tlet released = false;\n\n\t\t// Return a release function:\n\t\treturn () => {\n\t\t\tif (released) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\treleased = true;\n\t\t\tthis._running--;\n\n\t\t\t// Release the first item in the queue (call its resolver):\n\t\t\tif (this.queue.length > 0) {\n\t\t\t\tthis.queue.shift()!();\n\t\t\t}\n\t\t};\n\t}\n\n\tasync run<T>(fn: () => T | Promise<T>): Promise<T> {\n\t\tconst release = await this.acquire();\n\t\ttry {\n\t\t\treturn await fn();\n\t\t} finally {\n\t\t\trelease();\n\t\t}\n\t}\n}\n","export class PhpWasmError extends Error {\n\tuserFriendlyMessage?: string;\n\tconstructor(message: string, userFriendlyMessage?: string) {\n\t\tsuper(message);\n\t\tthis.userFriendlyMessage = userFriendlyMessage ?? message;\n\t}\n}\n","/**\n * The functions in this module are mostly copied from the generated\n * Emscripten PHP module. This enables features like filesystem journaling,\n * which use some low-level Emscripten APIs and need access to the\n * same path helpers.\n */\n\n/**\n * Joins paths together.\n *\n * For example:\n *\n * > joinPaths('wordpress', 'wp-content')\n * 'wordpress/wp-content'\n *\n * Use this for all PHP paths and **do not** use path.join().\n * This is important because Emscripten paths are **always**\n * POSIX-style paths. Imagine joining paths on Windows:\n *\n * > path.join('wordpress', 'wp-content')\n * '\\\\wordpress\\\\wp-content'  // invalid in PHP.wasm\n *\n * See the path.join issue for more details:\n *\n * https://github.com/WordPress/playground-tools/issues/11#issuecomment-1579074763\n *\n * @param paths Paths segments to join\n * @returns A joined path\n */\nexport function joinPaths(...paths: string[]) {\n\tfunction hasTrailingSlash(p: string) {\n\t\treturn p.substring(p.length - 1) === '/';\n\t}\n\n\tlet path = paths.join('/');\n\tconst isAbsolute = path[0] === '/';\n\tconst trailingSlash = hasTrailingSlash(path);\n\tpath = normalizePath(path);\n\tif (!path && !isAbsolute) {\n\t\tpath = '.';\n\t}\n\tif (path && trailingSlash && !hasTrailingSlash(path)) {\n\t\tpath += '/';\n\t}\n\treturn path;\n}\n\n/**\n * Returns the directory name of a path.\n *\n * @param path\n * @returns\n */\nexport function dirname(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn '';\n\t} else if (lastSlash === 0) {\n\t\treturn '/';\n\t}\n\treturn path.substr(0, lastSlash);\n}\n\n/**\n * Returns the last portion of a path.\n *\n * @param path - The path to extract the basename from.\n * @returns The basename of the path.\n */\nexport function basename(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn path;\n\t}\n\treturn path.substr(lastSlash + 1);\n}\n\n/**\n * Normalizes a path.\n *\n * For example:\n *\n * > normalizePath('wordpress/wp-content/../')\n * 'wordpress'\n *\n * @param path\n * @returns\n */\nexport function normalizePath(path: string) {\n\tconst isAbsolute = path[0] === '/';\n\tpath = normalizePathsArray(\n\t\tpath.split('/').filter((p: any) => !!p),\n\t\t!isAbsolute\n\t).join('/');\n\treturn (isAbsolute ? '/' : '') + path.replace(/\\/$/, '');\n}\n\n/**\n * Normalizes paths.\n *\n * For example:\n *\n * > normalizePathsArray(['wordpress', 'wp-content', '..', '', '.',\n * 'wp-includes']) ['wordpress', 'wp-includes']\n *\n * @param parts parts of the path to normalize\n * @param allowAboveRoot allow paths above the root\n * @returns normalized paths\n */\nexport function normalizePathsArray(parts: string[], allowAboveRoot: boolean) {\n\tlet up = 0;\n\tfor (let i = parts.length - 1; i >= 0; i--) {\n\t\tconst last = parts[i];\n\t\tif (last === '.') {\n\t\t\tparts.splice(i, 1);\n\t\t} else if (last === '..') {\n\t\t\tparts.splice(i, 1);\n\t\t\tup++;\n\t\t} else if (up) {\n\t\t\tparts.splice(i, 1);\n\t\t\tup--;\n\t\t}\n\t}\n\tif (allowAboveRoot) {\n\t\tfor (; up; up--) {\n\t\t\tparts.unshift('..');\n\t\t}\n\t}\n\treturn parts;\n}\n\n/**\n * Checks if the given parent path is an ancestor of the given child path.\n *\n * @param parent The parent path to check.\n * @param child The child path to verify against the parent.\n * @returns Whether the `parent` path is an ancestor of the `child` path.\n */\nexport function isParentOf(parent: string, child: string) {\n\tif (parent === '/') {\n\t\treturn true;\n\t}\n\tparent = normalizePath(parent);\n\tchild = normalizePath(child);\n\treturn child.startsWith(parent + '/') || child === parent;\n}\n\n/**\n * Guarantees a path is absolute by prepending `/` if needed.\n *\n * Useful when working with user-provided paths that might be relative,\n * or when you need to normalize edge cases like empty strings.\n *\n * For example:\n *\n * > ensureAbsolutePath('wp-content/uploads')\n * '/wp-content/uploads'\n *\n * > ensureAbsolutePath('/already/absolute')\n * '/already/absolute'\n *\n * > ensureAbsolutePath('')\n * '/'\n *\n * @param path - The path to make absolute.\n * @returns An absolute, normalized path starting with `/`.\n */\nexport function ensureAbsolutePath(path: string) {\n\treturn joinPaths('/', normalizePath(path || '/'));\n}\n\n/**\n * Converts a native OS path to a POSIX-style path.\n *\n * Transformations:\n * 1. Backslashes → forward slashes\n * 2. Windows drive letter `C:\\` → `/C/` (colons are invalid in\n *    Emscripten VFS paths and cause ENOTDIR errno 28)\n *\n * On POSIX systems this is effectively a no-op.\n *\n * @see https://github.com/emscripten-core/emscripten/issues/17829\n */\nexport function toPosixPath(nativePath: string): string {\n\tlet result = nativePath.replaceAll('\\\\', '/');\n\t// Handle Windows drive letter: C:/ → /C/\n\tconst driveMatch = result.match(/^([A-Za-z]):\\//);\n\tif (driveMatch) {\n\t\tresult = '/' + driveMatch[1] + result.slice(2);\n\t}\n\treturn result;\n}\n","/**\n * Polyfills Node.js EventEmitter API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/events.html#events_class_eventemitter\n */\ntype Listener = (...args: any[]) => any;\n\nexport class EventEmitterPolyfill {\n\tlisteners: Record<string, Listener[]> = {};\n\temit(eventName: string, data?: any) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName].forEach(function (listener) {\n\t\t\t\tlistener(data);\n\t\t\t});\n\t\t}\n\t}\n\ton(eventName: string, listener: Listener) {\n\t\tif (!this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = [];\n\t\t}\n\t\tthis.listeners[eventName].push(listener);\n\t}\n\tonce(eventName: string, listener: Listener) {\n\t\tconst wrappedListener = (...args: any[]) => {\n\t\t\tthis.off(eventName, wrappedListener);\n\t\t\tlistener(...args);\n\t\t};\n\t\tthis.on(eventName, wrappedListener);\n\t}\n\toff(eventName: string, listener: Listener) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = this.listeners[eventName].filter(\n\t\t\t\t(l) => l !== listener\n\t\t\t);\n\t\t}\n\t}\n}\n","/**\n * Naive shell command parser.\n * Ensures that commands like `wp option set blogname \"My blog name\"` are split\n * into `['wp', 'option', 'set', 'blogname', 'My blog name']` instead of\n * `['wp', 'option', 'set', 'blogname', 'My', 'blog', 'name']`.\n *\n * @param command\n * @returns\n */\nexport function splitShellCommand(command: string) {\n\tconst MODE_UNQUOTED = 0;\n\tconst MODE_IN_QUOTE = 1;\n\n\tlet mode = MODE_UNQUOTED;\n\tlet quote = '';\n\n\tconst parts: string[] = [];\n\tlet currentPart = '';\n\tfor (let i = 0; i < command.length; i++) {\n\t\tconst char = command[i];\n\t\tif (char === '\\\\') {\n\t\t\t// Escaped quotes are treated as normal characters\n\t\t\t// This is a very naive approach to escaping, but it's good enough for\n\t\t\t// now. @TODO: Iterate on this later, perhaps using bun shell. @see https://github.com/WordPress/wordpress-playground/issues/1062\n\t\t\tif (command[i + 1] === '\"' || command[i + 1] === \"'\") {\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tcurrentPart += command[i];\n\t\t} else if (mode === MODE_UNQUOTED) {\n\t\t\tif (char === '\"' || char === \"'\") {\n\t\t\t\tmode = MODE_IN_QUOTE;\n\t\t\t\tquote = char;\n\t\t\t} else if (char.match(/\\s/)) {\n\t\t\t\tif (currentPart.trim().length) {\n\t\t\t\t\tparts.push(currentPart.trim());\n\t\t\t\t}\n\t\t\t\tcurrentPart = char;\n\t\t\t} else if (parts.length && !currentPart) {\n\t\t\t\t// We just closed a quote to continue the same\n\t\t\t\t// argument with different escaping style, e.g.:\n\t\t\t\t// php -r 'require '\\''vendor/autoload.php'\\''\n\t\t\t\tcurrentPart = parts.pop()! + char;\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t} else if (mode === MODE_IN_QUOTE) {\n\t\t\tif (char === quote) {\n\t\t\t\tmode = MODE_UNQUOTED;\n\t\t\t\tquote = '';\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t}\n\t}\n\tif (currentPart) {\n\t\tparts.push(currentPart.trim());\n\t}\n\treturn parts;\n}\n","/**\n * Polyfills Node.js WritableStream API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/stream.html#stream_writable_end_chunk_encoding_callback\n */\nimport { EventEmitterPolyfill } from './event-emitter-polyfill';\n\nexport interface WritableOptions {\n\thighWaterMark?: number;\n\tdecodeStrings?: boolean;\n\tdefaultEncoding?: BufferEncoding;\n\twrite: (chunk: any, encoding: BufferEncoding, cb: WriteCallback) => void;\n}\n\nexport type WriteCallback = (error?: Error | null) => void;\n\nexport class WritablePolyfill extends EventEmitterPolyfill {\n\tprivate buffer: Array<{\n\t\tchunk: any;\n\t\tencoding: BufferEncoding;\n\t\tcb: WriteCallback;\n\t}> = [];\n\tprivate writing = false;\n\tpublic ended = false;\n\tprivate length = 0;\n\tprivate highWaterMark: number;\n\tprivate decodeStrings: boolean;\n\tprivate defaultEncoding: BufferEncoding;\n\tprivate defer: (fn: () => void) => void;\n\tprivate _write: (\n\t\tchunk: any,\n\t\tencoding: BufferEncoding,\n\t\tcb: WriteCallback\n\t) => void;\n\n\tconstructor(opts: WritableOptions) {\n\t\tsuper();\n\t\tif (!opts.write) {\n\t\t\tthrow new Error('WritablePolyfill requires write option');\n\t\t}\n\t\tthis._write = opts.write;\n\t\tthis.highWaterMark = opts.highWaterMark ?? 16 * 1024;\n\t\tthis.decodeStrings = opts.decodeStrings ?? true;\n\t\tthis.defaultEncoding = opts.defaultEncoding ?? 'utf8';\n\t\t// queueMicrotask keeps browser support; fallback for older environments.\n\t\tthis.defer =\n\t\t\ttypeof queueMicrotask === 'function'\n\t\t\t\t? queueMicrotask\n\t\t\t\t: (fn) => setTimeout(fn, 0);\n\t}\n\n\twrite(\n\t\tchunk: any,\n\t\tencoding: BufferEncoding | WriteCallback = this.defaultEncoding,\n\t\tcb: WriteCallback = () => {}\n\t): boolean {\n\t\tif (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = this.defaultEncoding;\n\t\t}\n\n\t\tif (this.ended) {\n\t\t\tconst err = new Error('write after end');\n\t\t\t// We can't call this.defer() directly. If this.defer is\n\t\t\t// `queueMicrotask`, a `this.defer()` call will pass the\n\t\t\t// WritablePolyfill instance as `this` argument and cause\n\t\t\t// the browser to throw an error similar to \"Invalid\n\t\t\t// invocation\".\n\t\t\tconst defer = this.defer;\n\t\t\tdefer(() => cb(err));\n\t\t\tthis.emit('error', err);\n\t\t\treturn false;\n\t\t}\n\n\t\tif (this.decodeStrings && typeof chunk === 'string') {\n\t\t\tif (\n\t\t\t\ttypeof Buffer !== 'undefined' &&\n\t\t\t\ttypeof (Buffer as any).from === 'function'\n\t\t\t) {\n\t\t\t\tchunk = Buffer.from(chunk, encoding as BufferEncoding);\n\t\t\t} else if (typeof TextEncoder !== 'undefined') {\n\t\t\t\tchunk = new TextEncoder().encode(chunk);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\n\t\t\t\t\t'String chunks are not supported in this environment: Buffer and TextEncoder are unavailable.'\n\t\t\t\t);\n\t\t\t}\n\t\t\tencoding = 'buffer' as BufferEncoding;\n\t\t}\n\n\t\tthis.length += chunk.length ?? 1;\n\t\tconst needDrain = this.length >= this.highWaterMark;\n\n\t\tthis.buffer.push({ chunk, encoding: encoding as BufferEncoding, cb });\n\n\t\tif (!this.writing) this._clearBuffer();\n\n\t\treturn !needDrain;\n\t}\n\n\tend(\n\t\tchunk?: any,\n\t\tencoding?: BufferEncoding | WriteCallback,\n\t\tcb?: WriteCallback\n\t): void {\n\t\tif (typeof chunk === 'function') {\n\t\t\tcb = chunk;\n\t\t\tchunk = undefined;\n\t\t} else if (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = undefined;\n\t\t}\n\n\t\tif (chunk !== undefined)\n\t\t\tthis.write(chunk, encoding as BufferEncoding, () => {});\n\t\tthis.ended = true;\n\t\tif (!this.writing) this._clearBuffer();\n\t\tif (cb) this.defer(cb);\n\t}\n\n\t// Stubs kept for API parity; add logic if you depend on corking.\n\tcork(): void {}\n\tuncork(): void {}\n\n\tsetDefaultEncoding(enc: BufferEncoding): this {\n\t\tthis.defaultEncoding = enc;\n\t\treturn this;\n\t}\n\n\tprivate _clearBuffer(): void {\n\t\tconst entry = this.buffer.shift();\n\t\tif (!entry) {\n\t\t\tif (this.ended) this.emit('finish');\n\t\t\treturn;\n\t\t}\n\n\t\tthis.writing = true;\n\t\tthis._write(entry.chunk, entry.encoding, (err?: Error | null) => {\n\t\t\tthis.writing = false;\n\t\t\tthis.length -= entry.chunk.length ?? 1;\n\t\t\tif (err) this.emit('error', err);\n\t\t\tentry.cb(err);\n\n\t\t\tif (this.buffer.length) {\n\t\t\t\tthis._clearBuffer();\n\t\t\t} else {\n\t\t\t\tif (this.length < this.highWaterMark) this.emit('drain');\n\t\t\t\tif (this.ended) this.emit('finish');\n\t\t\t}\n\t\t});\n\t}\n}\n","import { EventEmitterPolyfill } from './event-emitter-polyfill';\nimport { splitShellCommand } from './split-shell-command';\nimport { WritablePolyfill, type WriteCallback } from './writable-polyfill';\n\ntype Listener = (...args: any[]) => any;\n\nexport interface ProcessOptions {\n\tcwd?: string;\n\tenv?: Record<string, string>;\n}\n\n/**\n * Usage:\n * ```ts\n * php.setSpawnHandler(\n *   createSpawnHandler(function (command, processApi) {\n *     console.log(processApi.flushStdin());\n *     processApi.stdout('/\\n/tmp\\n/home');\n *\t   processApi.exit(0);\n *   })\n * );\n * ```\n * @param program\n * @returns\n */\nexport function createSpawnHandler(\n\tprogram: (\n\t\tcommand: string[],\n\t\tprocessApi: ProcessApi,\n\t\toptions: ProcessOptions\n\t) => void | Promise<void>\n): any {\n\treturn function (\n\t\tcommand: string | string[],\n\t\targsArray: string[] = [],\n\t\toptions: ProcessOptions = {}\n\t) {\n\t\tconst childProcess = new ChildProcess();\n\t\tconst processApi = new ProcessApi(childProcess);\n\t\t// Give PHP a chance to register listeners\n\t\tsetTimeout(async () => {\n\t\t\tlet commandArray = [];\n\t\t\tif (argsArray.length) {\n\t\t\t\tcommandArray = [command as string, ...argsArray];\n\t\t\t} else if (typeof command === 'string') {\n\t\t\t\tcommandArray = splitShellCommand(command);\n\t\t\t} else if (Array.isArray(command)) {\n\t\t\t\tcommandArray = command;\n\t\t\t} else {\n\t\t\t\tthrow new Error('Invalid command ', command);\n\t\t\t}\n\t\t\ttry {\n\t\t\t\tconst promise = program(commandArray, processApi, options);\n\t\t\t\tif (\n\t\t\t\t\ttypeof promise !== 'object' ||\n\t\t\t\t\tpromise === null ||\n\t\t\t\t\t!('then' in promise)\n\t\t\t\t) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() did not return a promise. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t} else if (processApi.exited) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() exited synchronously. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\tchildProcess.emit('spawn', true);\n\t\t\t\tawait promise;\n\t\t\t} catch (e) {\n\t\t\t\tchildProcess.emit('error', e);\n\t\t\t\tif (\n\t\t\t\t\ttypeof e === 'object' &&\n\t\t\t\t\te !== null &&\n\t\t\t\t\t'message' in e &&\n\t\t\t\t\ttypeof e.message === 'string'\n\t\t\t\t) {\n\t\t\t\t\tprocessApi.stderr(e.message);\n\t\t\t\t}\n\t\t\t\tprocessApi.exit(1);\n\t\t\t}\n\t\t});\n\t\treturn childProcess;\n\t};\n}\n\nexport class ProcessApi extends EventEmitterPolyfill {\n\tpublic exited = false;\n\t/**\n\t * Keeps track of the data that was written to stdin before the\n\t * first listener was registered.\n\t */\n\tprivate stdinBuffer: Uint8Array[] | null = [];\n\tpublic childProcess: ChildProcess;\n\tconstructor(childProcess: ChildProcess) {\n\t\tsuper();\n\t\tthis.childProcess = childProcess;\n\t\tchildProcess.on('stdin', (data: Uint8Array) => {\n\t\t\tif (this.stdinBuffer) {\n\t\t\t\t// Need to clone the data buffer as it's reused by PHP\n\t\t\t\t// and the next data chunk will overwrite the previous one.\n\t\t\t\tthis.stdinBuffer.push(data.slice());\n\t\t\t} else {\n\t\t\t\tthis.emit('stdin', data);\n\t\t\t}\n\t\t});\n\t}\n\tstdinEnd() {\n\t\tif (!this.childProcess.stdin.ended) {\n\t\t\tthis.childProcess.stdin.end();\n\t\t}\n\t}\n\tstdout(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stdout.write(data);\n\t}\n\tstdoutEnd() {\n\t\tif (!this.childProcess.stdout.ended) {\n\t\t\tthis.childProcess.stdout.end();\n\t\t}\n\t}\n\tstderr(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stderr.write(data);\n\t}\n\tstderrEnd() {\n\t\tif (!this.childProcess.stderr.ended) {\n\t\t\tthis.childProcess.stderr.end();\n\t\t}\n\t}\n\tnotifySpawn() {\n\t\tthis.childProcess.emit('spawn', true);\n\t}\n\texit(code: number) {\n\t\tif (!this.exited) {\n\t\t\tthis.exited = true;\n\t\t\tthis.stdinEnd();\n\t\t\tthis.stdoutEnd();\n\t\t\tthis.stderrEnd();\n\t\t\tthis.childProcess.emit('exit', code);\n\t\t}\n\t}\n\toverride on(eventName: string, listener: Listener) {\n\t\tsuper.on(eventName, listener);\n\t\t/**\n\t\t * If it's the first stdin listener, flush all the data we've\n\t\t * buffered so far.\n\t\t */\n\t\tif (eventName === 'stdin' && this.stdinBuffer) {\n\t\t\tfor (let i = 0; i < this.stdinBuffer.length; i++) {\n\t\t\t\tthis.emit('stdin', this.stdinBuffer[i]);\n\t\t\t}\n\t\t\tthis.stdinBuffer = null;\n\t\t}\n\t}\n}\n\nlet lastPid = 9743;\nexport class ChildProcess extends EventEmitterPolyfill {\n\tstdout: WritablePolyfill;\n\tstderr: WritablePolyfill;\n\tstdin: WritablePolyfill;\n\tpid: number;\n\tconstructor(pid = lastPid++) {\n\t\tsuper();\n\t\tthis.pid = pid;\n\t\t// eslint-disable-next-line @typescript-eslint/no-this-alias\n\t\tconst self = this;\n\t\tthis.stdout = new 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randomString(36, '-_');\n}\n","export function phpVar(value: unknown): string {\n\treturn `json_decode(base64_decode('${stringToBase64(\n\t\tJSON.stringify(value)\n\t)}'), true)`;\n}\n\nexport function phpVars<T extends Record<string, unknown>>(\n\tvars: T\n): Record<keyof T, string> {\n\tconst result: Record<string, string> = {};\n\tfor (const key in vars) {\n\t\tresult[key] = phpVar(vars[key]);\n\t}\n\treturn result as Record<keyof T, string>;\n}\n\nfunction stringToBase64(str: string) {\n\treturn bytesToBase64(new TextEncoder().encode(str));\n}\n\nfunction bytesToBase64(bytes: Uint8Array) {\n\tconst binString = String.fromCodePoint(...bytes);\n\treturn btoa(binString);\n}\n","/**\n * Formats a string like sprintf().\n *\n * This function:\n * - Supports basic format specifiers: %s, %d, %f, %x, %%\n * - Supports bigint values\n *\n * The purpose of this function is for use in optional php-wasm tracing.\n * If we use printf-style formatting for trace messages, we let the trace\n * 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value;\n\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\t2\n\t\t\t\t\t\t\t);\n\t\t\t\t\t\t} catch {\n\t\t\t\t\t\t\t// Ignore error and use default representation.\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tstr = String(arg);\n\t\t\t\t\t}\n\n\t\t\t\t\tresult += str;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'd': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tif (typeof arg === 'bigint') {\n\t\t\t\t\t\tresult += arg.toString();\n\t\t\t\t\t} else {\n\t\t\t\t\t\tresult += Math.floor(Number(arg));\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'f': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tif (typeof arg === 'bigint') {\n\t\t\t\t\t\tresult += Number(arg);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tresult += Number(arg);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'x': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tif (typeof arg === 'bigint') {\n\t\t\t\t\t\tresult += arg.toString(16);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tresult += 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This enables features like filesystem journaling,\n * which use some low-level Emscripten APIs and need access to the\n * same path helpers.\n */\n\n/**\n * Joins paths together.\n *\n * For example:\n *\n * > joinPaths('wordpress', 'wp-content')\n * 'wordpress/wp-content'\n *\n * Use this for all PHP paths and **do not** use path.join().\n * This is important because Emscripten paths are **always**\n * POSIX-style paths. Imagine joining paths on Windows:\n *\n * > path.join('wordpress', 'wp-content')\n * '\\\\wordpress\\\\wp-content'  // invalid in PHP.wasm\n *\n * See the path.join issue for more details:\n *\n * https://github.com/WordPress/playground-tools/issues/11#issuecomment-1579074763\n *\n * @param paths Paths segments to join\n * @returns A joined path\n */\nexport function joinPaths(...paths: string[]) {\n\tfunction hasTrailingSlash(p: string) {\n\t\treturn p.substring(p.length - 1) === '/';\n\t}\n\n\tlet path = paths.join('/');\n\tconst isAbsolute = path[0] === '/';\n\tconst trailingSlash = hasTrailingSlash(path);\n\tpath = normalizePath(path);\n\tif (!path && !isAbsolute) {\n\t\tpath = '.';\n\t}\n\tif (path && trailingSlash && !hasTrailingSlash(path)) {\n\t\tpath += '/';\n\t}\n\treturn path;\n}\n\n/**\n * Resolves a path and returns it only when it stays under a parent path.\n *\n * Absolute paths are checked as-is. Relative paths are resolved from the\n * parent path. The parent itself is not considered to be under the parent.\n * Paths containing null bytes are rejected before resolution.\n *\n * @param path The absolute or relative path to resolve.\n * @param parentPath The path the result must stay under.\n * @returns The normalized resolved path, or undefined when it is not a child.\n */\nexport function resolvePathUnder(path: string, parentPath: string) {\n\tif (path.includes('\\0') || parentPath.includes('\\0')) {\n\t\treturn undefined;\n\t}\n\tconst normalizedParentPath = normalizePath(parentPath);\n\tif (!normalizedParentPath) {\n\t\treturn undefined;\n\t}\n\tconst resolvedPath = normalizePath(\n\t\tpath.startsWith('/') ? path : joinPaths(normalizedParentPath, path)\n\t);\n\tif (\n\t\tresolvedPath === normalizedParentPath ||\n\t\t!isParentOf(normalizedParentPath, resolvedPath)\n\t) {\n\t\treturn undefined;\n\t}\n\treturn resolvedPath;\n}\n\n/**\n * Returns the directory name of a path.\n *\n * @param path\n * @returns\n */\nexport function dirname(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn '';\n\t} else if (lastSlash === 0) {\n\t\treturn '/';\n\t}\n\treturn path.substr(0, lastSlash);\n}\n\n/**\n * Returns the last portion of a path.\n *\n * @param path - The path to extract the basename from.\n * @returns The basename of the path.\n */\nexport function basename(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn path;\n\t}\n\treturn path.substr(lastSlash + 1);\n}\n\n/**\n * Normalizes a path.\n *\n * For example:\n *\n * > normalizePath('wordpress/wp-content/../')\n * 'wordpress'\n *\n * @param path\n * @returns\n */\nexport function normalizePath(path: string) {\n\tconst isAbsolute = path[0] === '/';\n\tpath = normalizePathsArray(\n\t\tpath.split('/').filter((p: any) => !!p),\n\t\t!isAbsolute\n\t).join('/');\n\treturn (isAbsolute ? '/' : '') + path.replace(/\\/$/, '');\n}\n\n/**\n * Normalizes paths.\n *\n * For example:\n *\n * > normalizePathsArray(['wordpress', 'wp-content', '..', '', '.',\n * 'wp-includes']) ['wordpress', 'wp-includes']\n *\n * @param parts parts of the path to normalize\n * @param allowAboveRoot allow paths above the root\n * @returns normalized paths\n */\nexport function normalizePathsArray(parts: string[], allowAboveRoot: boolean) {\n\tlet up = 0;\n\tfor (let i = parts.length - 1; i >= 0; i--) {\n\t\tconst last = parts[i];\n\t\tif (last === '.') {\n\t\t\tparts.splice(i, 1);\n\t\t} else if (last === '..') {\n\t\t\tparts.splice(i, 1);\n\t\t\tup++;\n\t\t} else if (up) {\n\t\t\tparts.splice(i, 1);\n\t\t\tup--;\n\t\t}\n\t}\n\tif (allowAboveRoot) {\n\t\tfor (; up; up--) {\n\t\t\tparts.unshift('..');\n\t\t}\n\t}\n\treturn parts;\n}\n\n/**\n * Checks if the given parent path is an ancestor of the given child path.\n *\n * @param parent The parent path to check.\n * @param child The child path to verify against the parent.\n * @returns Whether the `parent` path is an ancestor of the `child` path.\n */\nexport function isParentOf(parent: string, child: string) {\n\tif (parent === '/') {\n\t\treturn true;\n\t}\n\tparent = normalizePath(parent);\n\tchild = normalizePath(child);\n\treturn child.startsWith(parent + '/') || child === parent;\n}\n\n/**\n * Guarantees a path is absolute by prepending `/` if needed.\n *\n * Useful when working with user-provided paths that might be relative,\n * or when you need to normalize edge cases like empty strings.\n *\n * For example:\n *\n * > ensureAbsolutePath('wp-content/uploads')\n * '/wp-content/uploads'\n *\n * > ensureAbsolutePath('/already/absolute')\n * '/already/absolute'\n *\n * > ensureAbsolutePath('')\n * '/'\n *\n * @param path - The path to make absolute.\n * @returns An absolute, normalized path starting with `/`.\n */\nexport function ensureAbsolutePath(path: string) {\n\treturn joinPaths('/', normalizePath(path || '/'));\n}\n\n/**\n * Converts a native OS path to a POSIX-style path.\n *\n * Transformations:\n * 1. Backslashes → forward slashes\n * 2. Windows drive letter `C:\\` → `/C/` (colons are invalid in\n *    Emscripten VFS paths and cause ENOTDIR errno 28)\n *\n * On POSIX systems this is effectively a no-op.\n *\n * @see https://github.com/emscripten-core/emscripten/issues/17829\n */\nexport function toPosixPath(nativePath: string): string {\n\tlet result = nativePath.replaceAll('\\\\', '/');\n\t// Handle Windows drive letter: C:/ → /C/\n\tconst driveMatch = result.match(/^([A-Za-z]):\\//);\n\tif (driveMatch) {\n\t\tresult = '/' + driveMatch[1] + result.slice(2);\n\t}\n\treturn result;\n}\n","/**\n * Polyfills Node.js EventEmitter API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/events.html#events_class_eventemitter\n */\ntype Listener = (...args: any[]) => any;\n\nexport class EventEmitterPolyfill {\n\tlisteners: Record<string, Listener[]> = {};\n\temit(eventName: string, data?: any) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName].forEach(function (listener) {\n\t\t\t\tlistener(data);\n\t\t\t});\n\t\t}\n\t}\n\ton(eventName: string, listener: Listener) {\n\t\tif (!this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = [];\n\t\t}\n\t\tthis.listeners[eventName].push(listener);\n\t}\n\tonce(eventName: string, listener: Listener) {\n\t\tconst wrappedListener = (...args: any[]) => {\n\t\t\tthis.off(eventName, wrappedListener);\n\t\t\tlistener(...args);\n\t\t};\n\t\tthis.on(eventName, wrappedListener);\n\t}\n\toff(eventName: string, listener: Listener) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = this.listeners[eventName].filter(\n\t\t\t\t(l) => l !== listener\n\t\t\t);\n\t\t}\n\t}\n}\n","/**\n * Naive shell command parser.\n * Ensures that commands like `wp option set blogname \"My blog name\"` are split\n * into `['wp', 'option', 'set', 'blogname', 'My blog name']` instead of\n * `['wp', 'option', 'set', 'blogname', 'My', 'blog', 'name']`.\n *\n * @param command\n * @returns\n */\nexport function splitShellCommand(command: string) {\n\tconst MODE_UNQUOTED = 0;\n\tconst MODE_IN_QUOTE = 1;\n\n\tlet mode = MODE_UNQUOTED;\n\tlet quote = '';\n\n\tconst parts: string[] = [];\n\tlet currentPart = '';\n\tfor (let i = 0; i < command.length; i++) {\n\t\tconst char = command[i];\n\t\tif (char === '\\\\') {\n\t\t\t// Escaped quotes are treated as normal characters\n\t\t\t// This is a very naive approach to escaping, but it's good enough for\n\t\t\t// now. @TODO: Iterate on this later, perhaps using bun shell. @see https://github.com/WordPress/wordpress-playground/issues/1062\n\t\t\tif (command[i + 1] === '\"' || command[i + 1] === \"'\") {\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tcurrentPart += command[i];\n\t\t} else if (mode === MODE_UNQUOTED) {\n\t\t\tif (char === '\"' || char === \"'\") {\n\t\t\t\tmode = MODE_IN_QUOTE;\n\t\t\t\tquote = char;\n\t\t\t} else if (char.match(/\\s/)) {\n\t\t\t\tif (currentPart.trim().length) {\n\t\t\t\t\tparts.push(currentPart.trim());\n\t\t\t\t}\n\t\t\t\tcurrentPart = char;\n\t\t\t} else if (parts.length && !currentPart) {\n\t\t\t\t// We just closed a quote to continue the same\n\t\t\t\t// argument with different escaping style, e.g.:\n\t\t\t\t// php -r 'require '\\''vendor/autoload.php'\\''\n\t\t\t\tcurrentPart = parts.pop()! + char;\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t} else if (mode === MODE_IN_QUOTE) {\n\t\t\tif (char === quote) {\n\t\t\t\tmode = MODE_UNQUOTED;\n\t\t\t\tquote = '';\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t}\n\t}\n\tif (currentPart) {\n\t\tparts.push(currentPart.trim());\n\t}\n\treturn parts;\n}\n","/**\n * Polyfills Node.js WritableStream API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/stream.html#stream_writable_end_chunk_encoding_callback\n */\nimport { EventEmitterPolyfill } from './event-emitter-polyfill';\n\nexport interface WritableOptions {\n\thighWaterMark?: number;\n\tdecodeStrings?: boolean;\n\tdefaultEncoding?: BufferEncoding;\n\twrite: (chunk: any, encoding: BufferEncoding, cb: WriteCallback) => void;\n}\n\nexport type WriteCallback = (error?: Error | null) => void;\n\nexport class WritablePolyfill extends EventEmitterPolyfill {\n\tprivate buffer: Array<{\n\t\tchunk: any;\n\t\tencoding: BufferEncoding;\n\t\tcb: WriteCallback;\n\t}> = [];\n\tprivate writing = false;\n\tpublic ended = false;\n\tprivate length = 0;\n\tprivate highWaterMark: number;\n\tprivate decodeStrings: boolean;\n\tprivate defaultEncoding: BufferEncoding;\n\tprivate defer: (fn: () => void) => void;\n\tprivate _write: (\n\t\tchunk: any,\n\t\tencoding: BufferEncoding,\n\t\tcb: WriteCallback\n\t) => void;\n\n\tconstructor(opts: WritableOptions) {\n\t\tsuper();\n\t\tif (!opts.write) {\n\t\t\tthrow new Error('WritablePolyfill requires write option');\n\t\t}\n\t\tthis._write = opts.write;\n\t\tthis.highWaterMark = opts.highWaterMark ?? 16 * 1024;\n\t\tthis.decodeStrings = opts.decodeStrings ?? true;\n\t\tthis.defaultEncoding = opts.defaultEncoding ?? 'utf8';\n\t\t// queueMicrotask keeps browser support; fallback for older environments.\n\t\tthis.defer =\n\t\t\ttypeof queueMicrotask === 'function'\n\t\t\t\t? queueMicrotask\n\t\t\t\t: (fn) => setTimeout(fn, 0);\n\t}\n\n\twrite(\n\t\tchunk: any,\n\t\tencoding: BufferEncoding | WriteCallback = this.defaultEncoding,\n\t\tcb: WriteCallback = () => {}\n\t): boolean {\n\t\tif (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = this.defaultEncoding;\n\t\t}\n\n\t\tif (this.ended) {\n\t\t\tconst err = new Error('write after end');\n\t\t\t// We can't call this.defer() directly. If this.defer is\n\t\t\t// `queueMicrotask`, a `this.defer()` call will pass the\n\t\t\t// WritablePolyfill instance as `this` argument and cause\n\t\t\t// the browser to throw an error similar to \"Invalid\n\t\t\t// invocation\".\n\t\t\tconst defer = this.defer;\n\t\t\tdefer(() => cb(err));\n\t\t\tthis.emit('error', err);\n\t\t\treturn false;\n\t\t}\n\n\t\tif (this.decodeStrings && typeof chunk === 'string') {\n\t\t\tif (\n\t\t\t\ttypeof Buffer !== 'undefined' &&\n\t\t\t\ttypeof (Buffer as any).from === 'function'\n\t\t\t) {\n\t\t\t\tchunk = Buffer.from(chunk, encoding as BufferEncoding);\n\t\t\t} else if (typeof TextEncoder !== 'undefined') {\n\t\t\t\tchunk = new TextEncoder().encode(chunk);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\n\t\t\t\t\t'String chunks are not supported in this environment: Buffer and TextEncoder are unavailable.'\n\t\t\t\t);\n\t\t\t}\n\t\t\tencoding = 'buffer' as BufferEncoding;\n\t\t}\n\n\t\tthis.length += chunk.length ?? 1;\n\t\tconst needDrain = this.length >= this.highWaterMark;\n\n\t\tthis.buffer.push({ chunk, encoding: encoding as BufferEncoding, cb });\n\n\t\tif (!this.writing) this._clearBuffer();\n\n\t\treturn !needDrain;\n\t}\n\n\tend(\n\t\tchunk?: any,\n\t\tencoding?: BufferEncoding | WriteCallback,\n\t\tcb?: WriteCallback\n\t): void {\n\t\tif (typeof chunk === 'function') {\n\t\t\tcb = chunk;\n\t\t\tchunk = undefined;\n\t\t} else if (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = undefined;\n\t\t}\n\n\t\tif (chunk !== undefined)\n\t\t\tthis.write(chunk, encoding as BufferEncoding, () => {});\n\t\tthis.ended = true;\n\t\tif (!this.writing) this._clearBuffer();\n\t\tif (cb) this.defer(cb);\n\t}\n\n\t// Stubs kept for API parity; add logic if you depend on corking.\n\tcork(): void {}\n\tuncork(): void {}\n\n\tsetDefaultEncoding(enc: BufferEncoding): this {\n\t\tthis.defaultEncoding = enc;\n\t\treturn this;\n\t}\n\n\tprivate _clearBuffer(): void {\n\t\tconst entry = this.buffer.shift();\n\t\tif (!entry) {\n\t\t\tif (this.ended) this.emit('finish');\n\t\t\treturn;\n\t\t}\n\n\t\tthis.writing = true;\n\t\tthis._write(entry.chunk, entry.encoding, (err?: Error | null) => {\n\t\t\tthis.writing = false;\n\t\t\tthis.length -= entry.chunk.length ?? 1;\n\t\t\tif (err) this.emit('error', err);\n\t\t\tentry.cb(err);\n\n\t\t\tif (this.buffer.length) {\n\t\t\t\tthis._clearBuffer();\n\t\t\t} else {\n\t\t\t\tif (this.length < this.highWaterMark) this.emit('drain');\n\t\t\t\tif (this.ended) this.emit('finish');\n\t\t\t}\n\t\t});\n\t}\n}\n","import { EventEmitterPolyfill } from './event-emitter-polyfill';\nimport { splitShellCommand } from './split-shell-command';\nimport { WritablePolyfill, type WriteCallback } from './writable-polyfill';\n\ntype Listener = (...args: any[]) => any;\n\nexport interface ProcessOptions {\n\tcwd?: string;\n\tenv?: Record<string, string>;\n}\n\n/**\n * Usage:\n * ```ts\n * php.setSpawnHandler(\n *   createSpawnHandler(function (command, processApi) {\n *     console.log(processApi.flushStdin());\n *     processApi.stdout('/\\n/tmp\\n/home');\n *\t   processApi.exit(0);\n *   })\n * );\n * ```\n * @param program\n * @returns\n */\nexport function createSpawnHandler(\n\tprogram: (\n\t\tcommand: string[],\n\t\tprocessApi: ProcessApi,\n\t\toptions: ProcessOptions\n\t) => void | Promise<void>\n): any {\n\treturn function (\n\t\tcommand: string | string[],\n\t\targsArray: string[] = [],\n\t\toptions: ProcessOptions = {}\n\t) {\n\t\tconst childProcess = new ChildProcess();\n\t\tconst processApi = new ProcessApi(childProcess);\n\t\t// Give PHP a chance to register listeners\n\t\tsetTimeout(async () => {\n\t\t\tlet commandArray = [];\n\t\t\tif (argsArray.length) {\n\t\t\t\tcommandArray = [command as string, ...argsArray];\n\t\t\t} else if (typeof command === 'string') {\n\t\t\t\tcommandArray = splitShellCommand(command);\n\t\t\t} else if (Array.isArray(command)) {\n\t\t\t\tcommandArray = command;\n\t\t\t} else {\n\t\t\t\tthrow new Error('Invalid command ', command);\n\t\t\t}\n\t\t\ttry {\n\t\t\t\tconst promise = program(commandArray, processApi, options);\n\t\t\t\tif (\n\t\t\t\t\ttypeof promise !== 'object' ||\n\t\t\t\t\tpromise === null ||\n\t\t\t\t\t!('then' in promise)\n\t\t\t\t) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() did not return a promise. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t} else if (processApi.exited) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() exited synchronously. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\tchildProcess.emit('spawn', true);\n\t\t\t\tawait promise;\n\t\t\t} catch (e) {\n\t\t\t\tchildProcess.emit('error', e);\n\t\t\t\tif (\n\t\t\t\t\ttypeof e === 'object' &&\n\t\t\t\t\te !== null &&\n\t\t\t\t\t'message' in e &&\n\t\t\t\t\ttypeof e.message === 'string'\n\t\t\t\t) {\n\t\t\t\t\tprocessApi.stderr(e.message);\n\t\t\t\t}\n\t\t\t\tprocessApi.exit(1);\n\t\t\t}\n\t\t});\n\t\treturn childProcess;\n\t};\n}\n\nexport class ProcessApi extends EventEmitterPolyfill {\n\tpublic exited = false;\n\t/**\n\t * Keeps track of the data that was written to stdin before the\n\t * first listener was registered.\n\t */\n\tprivate stdinBuffer: Uint8Array[] | null = [];\n\tpublic childProcess: ChildProcess;\n\tconstructor(childProcess: ChildProcess) {\n\t\tsuper();\n\t\tthis.childProcess = childProcess;\n\t\tchildProcess.on('stdin', (data: Uint8Array) => {\n\t\t\tif (this.stdinBuffer) {\n\t\t\t\t// Need to clone the data buffer as it's reused by PHP\n\t\t\t\t// and the next data chunk will overwrite the previous one.\n\t\t\t\tthis.stdinBuffer.push(data.slice());\n\t\t\t} else {\n\t\t\t\tthis.emit('stdin', data);\n\t\t\t}\n\t\t});\n\t}\n\tstdinEnd() {\n\t\tif (!this.childProcess.stdin.ended) {\n\t\t\tthis.childProcess.stdin.end();\n\t\t}\n\t}\n\tstdout(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stdout.write(data);\n\t}\n\tstdoutEnd() {\n\t\tif (!this.childProcess.stdout.ended) {\n\t\t\tthis.childProcess.stdout.end();\n\t\t}\n\t}\n\tstderr(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stderr.write(data);\n\t}\n\tstderrEnd() {\n\t\tif (!this.childProcess.stderr.ended) {\n\t\t\tthis.childProcess.stderr.end();\n\t\t}\n\t}\n\tnotifySpawn() {\n\t\tthis.childProcess.emit('spawn', true);\n\t}\n\texit(code: number) {\n\t\tif (!this.exited) {\n\t\t\tthis.exited = true;\n\t\t\tthis.stdinEnd();\n\t\t\tthis.stdoutEnd();\n\t\t\tthis.stderrEnd();\n\t\t\tthis.childProcess.emit('exit', code);\n\t\t}\n\t}\n\toverride on(eventName: string, listener: Listener) {\n\t\tsuper.on(eventName, listener);\n\t\t/**\n\t\t * If it's the first stdin listener, flush all the data we've\n\t\t * buffered so far.\n\t\t */\n\t\tif (eventName === 'stdin' && this.stdinBuffer) {\n\t\t\tfor (let i = 0; i < this.stdinBuffer.length; i++) {\n\t\t\t\tthis.emit('stdin', this.stdinBuffer[i]);\n\t\t\t}\n\t\t\tthis.stdinBuffer = null;\n\t\t}\n\t}\n}\n\nlet lastPid = 9743;\nexport class ChildProcess extends EventEmitterPolyfill {\n\tstdout: WritablePolyfill;\n\tstderr: WritablePolyfill;\n\tstdin: WritablePolyfill;\n\tpid: number;\n\tconstructor(pid = lastPid++) {\n\t\tsuper();\n\t\tthis.pid = pid;\n\t\t// eslint-disable-next-line @typescript-eslint/no-this-alias\n\t\tconst self = this;\n\t\tthis.stdout = new WritablePolyfill({\n\t\t\twrite(data: any, encoding: BufferEncoding, cb: WriteCallback) {\n\t\t\t\tself.stdout.emit('data', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t\tthis.stderr = new WritablePolyfill({\n\t\t\twrite: (data: any, encoding: BufferEncoding, cb: WriteCallback) => {\n\t\t\t\tself.stderr.emit('data', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t\tthis.stdin = new WritablePolyfill({\n\t\t\twrite: (data: any, encoding: BufferEncoding, cb: WriteCallback) => {\n\t\t\t\tself.emit('stdin', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t}\n}\n","/**\n * Explicitly marks an event whose `stdin` ReadableStream needs an independent\n * branch per listener and must be transferred across worker boundaries. The\n * global symbol registry keeps the marker stable if this package is loaded\n * more than once in the same realm.\n */\nexport const phpEventStdinTransfer = Symbol.for(\n\t'@php-wasm/php-event-stdin-transfer'\n);\n\nexport type PHPEventWithStdinTransfer = {\n\ttype: string;\n\tstdin: ReadableStream<Uint8Array>;\n\t[phpEventStdinTransfer]: true;\n};\n","import { createSpawnHandler } from '../create-spawn-handler';\nimport {\n\tphpEventStdinTransfer,\n\ttype PHPEventWithStdinTransfer,\n} from '../php-event';\n\n/**\n * Limit captured sendmail stdin to 20 MB to match common email size limits.\n *\n * Gmail limits email attachments to 25 MB https://support.google.com/mail/answer/6584\n * Outlook limits email attachments to 20 MB https://support.microsoft.com/outlook/reduce-attachment-size-to-send-large-files-with-outlook\n */\nexport const SENDMAIL_CAPTURE_MAX_SIZE = 20 * 1024 * 1024;\n\n/**\n * Emitted when a sendmail null transport receives the first stdin bytes from\n * `mail()`, `popen()`, `proc_open()`, or any other spawn of a `sendmail` binary.\n */\nexport interface PHPSendmailSpawnedEvent extends PHPEventWithStdinTransfer {\n\ttype: 'sendmail.spawned';\n}\n\n/**\n * Creates a sendmail-compatible null transport for the given PHP instance.\n * Every message handed to sendmail – via mail(), proc_open(), etc. – is streamed\n * from stdin, dispatched as a `sendmail.spawned` event, and never delivered.\n * A listener that wants real delivery must relay the message itself.\n *\n * The captured payload is exposed as the raw bytes written to sendmail stdin.\n *\n * This stream does not apply backpressure to PHP. Each listener queues unread\n * chunks in JavaScript memory when it reads more slowly than PHP writes. The\n * source accepts at most SENDMAIL_CAPTURE_MAX_SIZE bytes. Cancelling the stream\n * stops delivery through that stream without terminating the sendmail process.\n */\nexport function sendmailSpawnHandler(php: {\n\tdispatchEvent: (event: PHPSendmailSpawnedEvent) => void;\n}) {\n\treturn createSpawnHandler(async function (commandArray, processApi) {\n\t\tlet totalLength = 0;\n\t\tlet dispatched = false;\n\t\tlet exceededMaxSize = false;\n\t\tlet streamCancelled = false;\n\t\tlet controller: ReadableStreamDefaultController<Uint8Array>;\n\t\t// Construct the stream before registering stdin. Event dispatch is synchronous,\n\t\t// and a listener may start reading as soon as the first chunk arrives.\n\t\tconst stdinStream = new ReadableStream<Uint8Array>({\n\t\t\tstart(streamController) {\n\t\t\t\tcontroller = streamController;\n\t\t\t},\n\t\t\tcancel() {\n\t\t\t\t// Cancellation only means no reader wants more bytes from this source. Keep\n\t\t\t\t// the null transport alive so PHP can finish writing and receive an exit code.\n\t\t\t\tstreamCancelled = true;\n\t\t\t},\n\t\t});\n\n\t\tprocessApi.on('stdin', (data: Uint8Array) => {\n\t\t\tif (!dispatched) {\n\t\t\t\t// Do not publish an email until sendmail receives actual message bytes. An\n\t\t\t\t// invocation that closes stdin immediately is a failed send, not an empty email.\n\t\t\t\tdispatched = true;\n\t\t\t\tphp.dispatchEvent({\n\t\t\t\t\ttype: 'sendmail.spawned',\n\t\t\t\t\tstdin: stdinStream,\n\t\t\t\t\t[phpEventStdinTransfer]: true,\n\t\t\t\t});\n\t\t\t}\n\n\t\t\ttotalLength += data.length;\n\t\t\tif (totalLength > SENDMAIL_CAPTURE_MAX_SIZE) {\n\t\t\t\t// Fail the consumer now, but keep draining stdin. Exiting here would close\n\t\t\t\t// PHP's write end before the spawning code has finished with the process.\n\t\t\t\texceededMaxSize = true;\n\t\t\t\ttry {\n\t\t\t\t\tcontroller!.error(\n\t\t\t\t\t\tnew Error(\n\t\t\t\t\t\t\t`sendmail: Message size exceeds fixed maximum message size (${SENDMAIL_CAPTURE_MAX_SIZE})`\n\t\t\t\t\t\t)\n\t\t\t\t\t);\n\t\t\t\t} catch {\n\t\t\t\t\t// The consumer may have cancelled the stream.\n\t\t\t\t}\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tif (!streamCancelled) {\n\t\t\t\t// The PHP bridge reuses its input buffer for later chunks. A stream reader\n\t\t\t\t// may retain this one indefinitely, so it must receive an owned copy.\n\t\t\t\tcontroller!.enqueue(data.slice());\n\t\t\t}\n\t\t});\n\n\t\tconst stdin = processApi.childProcess\n\t\t\t.stdin as typeof processApi.childProcess.stdin & {\n\t\t\twritableEnded?: boolean;\n\t\t\twritableFinished?: boolean;\n\t\t};\n\t\t// proc_open() may write long after the spawn handler starts. 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index.js

@@ -1,8 +0,8 @@
-const d = Symbol("SleepFinished");
-function g(i) {
+const w = Symbol("SleepFinished");
+function p(i) {
   return new Promise((e) => {
-    setTimeout(() => e(d), i);
+    setTimeout(() => e(w), i);
   });
 }
-class p extends Error {
+class E extends Error {
   constructor() {
@@ -12,3 +12,3 @@ super("Acquiring lock timed out");
 }
-class A {
+class D {
   constructor({ concurrency: e, timeout: t }) {
@@ -32,5 +32,5 @@ this._running = 0, this.concurrency = e, this.timeout = t, this.queue = [];
           t,
-          g(this.timeout)
-        ]) === d)
-          throw this.queue.splice(this.queue.indexOf(r), 1), new p();
+          p(this.timeout)
+        ]) === w)
+          throw this.queue.splice(this.queue.indexOf(r), 1), new E();
       } else
@@ -54,3 +54,3 @@ await t;
 }
-class O extends Error {
+class v extends Error {
   constructor(e, t) {
@@ -60,3 +60,3 @@ super(e), this.userFriendlyMessage = t ?? e;
 }
-function w(...i) {
+function m(...i) {
   function e(o) {
@@ -67,21 +67,33 @@ return o.substring(o.length - 1) === "/";
   const r = t[0] === "/", s = e(t);
-  return t = f(t), !t && !r && (t = "."), t && s && !e(t) && (t += "/"), t;
+  return t = c(t), !t && !r && (t = "."), t && s && !e(t) && (t += "/"), t;
 }
-function B(i) {
+function I(i, e) {
+  if (i.includes("\0") || e.includes("\0"))
+    return;
+  const t = c(e);
+  if (!t)
+    return;
+  const r = c(
+    i.startsWith("/") ? i : m(t, i)
+  );
+  if (!(r === t || !P(t, r)))
+    return r;
+}
+function z(i) {
   if (i === "/")
     return "/";
-  i = f(i);
+  i = c(i);
   const e = i.lastIndexOf("/");
   return e === -1 ? "" : e === 0 ? "/" : i.substr(0, e);
 }
-function k(i) {
+function W(i) {
   if (i === "/")
     return "/";
-  i = f(i);
+  i = c(i);
   const e = i.lastIndexOf("/");
   return e === -1 ? i : i.substr(e + 1);
 }
-function f(i) {
+function c(i) {
   const e = i[0] === "/";
-  return i = y(
+  return i = b(
     i.split("/").filter((t) => !!t),
@@ -91,3 +103,3 @@ !e
 }
-function y(i, e) {
+function b(i, e) {
   let t = 0;
@@ -103,9 +115,9 @@ for (let r = i.length - 1; r >= 0; r--) {
 }
-function q(i, e) {
-  return i === "/" ? !0 : (i = f(i), e = f(e), e.startsWith(i + "/") || e === i);
+function P(i, e) {
+  return i === "/" ? !0 : (i = c(i), e = c(e), e.startsWith(i + "/") || e === i);
 }
-function U(i) {
-  return w("/", f(i || "/"));
+function H(i) {
+  return m("/", c(i || "/"));
 }
-function D(i) {
+function N(i) {
   let e = i.replaceAll("\\", "/");
@@ -115,3 +127,3 @@ const t = e.match(/^([A-Za-z]):\//);
 }
-class a {
+class g {
   constructor() {
@@ -140,3 +152,3 @@ this.listeners = {};
 }
-function m(i) {
+function x(i) {
   let r = 0, s = "";
@@ -151,3 +163,3 @@ const o = [];
 }
-class h extends a {
+class h extends g {
   constructor(e) {
@@ -202,5 +214,5 @@ if (super(), this.buffer = [], this.writing = !1, this.ended = !1, this.length = 0, !e.write)
 }
-function I(i) {
+function S(i) {
   return function(e, t = [], r = {}) {
-    const s = new P(), o = new b(s);
+    const s = new T(), o = new _(s);
     return setTimeout(async () => {
@@ -211,3 +223,3 @@ let n = [];
       else if (typeof e == "string")
-        n = m(e);
+        n = x(e);
       else if (Array.isArray(e))
@@ -234,3 +246,3 @@ n = e;
 }
-class b extends a {
+class _ extends g {
   constructor(e) {
@@ -270,5 +282,5 @@ super(), this.exited = !1, this.stdinBuffer = [], this.childProcess = e, e.on("stdin", (t) => {
 }
-let E = 9743;
-class P extends a {
-  constructor(e = E++) {
+let M = 9743;
+class T extends g {
+  constructor(e = M++) {
     super(), this.pid = e;
@@ -291,3 +303,67 @@ const t = this;
 }
-function x(i = 36, e = "!@#$%^&*()_+=-[]/.,<>?") {
+const O = Symbol.for(
+  "@php-wasm/php-event-stdin-transfer"
+), d = 20 * 1024 * 1024;
+function j(i) {
+  return S(async function(e, t) {
+    let r = 0, s = !1, o = !1, n = !1, l;
+    const u = new ReadableStream({
+      start(a) {
+        l = a;
+      },
+      cancel() {
+        n = !0;
+      }
+    });
+    t.on("stdin", (a) => {
+      if (s || (s = !0, i.dispatchEvent({
+        type: "sendmail.spawned",
+        stdin: u,
+        [O]: !0
+      })), r += a.length, r > d) {
+        o = !0;
+        try {
+          l.error(
+            new Error(
+              `sendmail: Message size exceeds fixed maximum message size (${d})`
+            )
+          );
+        } catch {
+        }
+        return;
+      }
+      n || l.enqueue(a.slice());
+    });
+    const f = t.childProcess.stdin;
+    if (f.ended || f.writableEnded || f.writableFinished || await new Promise((a) => {
+      if (f.ended || f.writableEnded || f.writableFinished) {
+        a();
+        return;
+      }
+      const y = () => {
+        a();
+      };
+      f.once("finish", y);
+    }), o) {
+      t.stderr(
+        `sendmail: Message size exceeds fixed maximum message size (${d})
+`
+      ), t.exit(1);
+      return;
+    }
+    if (r === 0) {
+      t.stderr(
+        `sendmail: fatal: No message bytes received over stdin
+`
+      ), t.exit(75);
+      return;
+    }
+    try {
+      l.close();
+    } catch {
+    }
+    t.exit(0);
+  });
+}
+function A(i = 36, e = "!@#$%^&*()_+=-[]/.,<>?") {
   const t = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" + e;
@@ -299,24 +375,24 @@ let r = "";
 }
-function W() {
-  return x(36, "-_");
+function Q() {
+  return A(36, "-_");
 }
-function S(i) {
-  return `json_decode(base64_decode('${_(
+function B(i) {
+  return `json_decode(base64_decode('${k(
     JSON.stringify(i)
   )}'), true)`;
 }
-function j(i) {
+function F(i) {
   const e = {};
   for (const t in i)
-    e[t] = S(i[t]);
+    e[t] = B(i[t]);
   return e;
 }
-function _(i) {
-  return T(new TextEncoder().encode(i));
+function k(i) {
+  return q(new TextEncoder().encode(i));
 }
-function T(i) {
+function q(i) {
   const e = String.fromCodePoint(...i);
   return btoa(e);
 }
-function H(i, ...e) {
+function C(i, ...e) {
   let t = "", r = 0;
@@ -336,3 +412,3 @@ for (let s = 0; s < i.length; s++)
                 // Represent bigint values as strings in JSON.stringify().
-                (u, c) => typeof c == "bigint" ? `0x${c.toString(16)}` : c,
+                (u, f) => typeof f == "bigint" ? `0x${f.toString(16)}` : f,
                 2
@@ -373,3 +449,3 @@ );
 }
-function M(i) {
+function U(i) {
   let e = 0;
@@ -383,28 +459,32 @@ i.forEach((s) => e += s.length);
 }
-function Q(i) {
-  return M(i.map((e) => new Uint8Array(e))).buffer;
+function $(i) {
+  return U(i.map((e) => new Uint8Array(e))).buffer;
 }
 export {
-  p as AcquireTimeoutError,
-  a as EventEmitterPolyfill,
-  O as PhpWasmError,
-  A as Semaphore,
+  E as AcquireTimeoutError,
+  g as EventEmitterPolyfill,
+  v as PhpWasmError,
+  d as SENDMAIL_CAPTURE_MAX_SIZE,
+  D as Semaphore,
   h as WritablePolyfill,
-  k as basename,
-  Q as concatArrayBuffers,
-  M as concatUint8Arrays,
-  I as createSpawnHandler,
-  B as dirname,
-  U as ensureAbsolutePath,
-  q as isParentOf,
-  w as joinPaths,
-  f as normalizePath,
-  S as phpVar,
-  j as phpVars,
-  W as randomFilename,
-  x as randomString,
-  m as splitShellCommand,
-  H as sprintf,
-  D as toPosixPath
+  W as basename,
+  $ as concatArrayBuffers,
+  U as concatUint8Arrays,
+  S as createSpawnHandler,
+  z as dirname,
+  H as ensureAbsolutePath,
+  P as isParentOf,
+  m as joinPaths,
+  c as normalizePath,
+  O as phpEventStdinTransfer,
+  B as phpVar,
+  F as phpVars,
+  Q as randomFilename,
+  A as randomString,
+  I as resolvePathUnder,
+  j as sendmailSpawnHandler,
+  x as splitShellCommand,
+  C as sprintf,
+  N as toPosixPath
 };
 //# sourceMappingURL=index.js.map

index.js.map

@@ -1,1 +0,1 @@
-{"version":3,"file":"index.js","sources":["../../../../packages/php-wasm/util/src/lib/sleep.ts","../../../../packages/php-wasm/util/src/lib/semaphore.ts","../../../../packages/php-wasm/util/src/lib/php-wasm-error.ts","../../../../packages/php-wasm/util/src/lib/paths.ts","../../../../packages/php-wasm/util/src/lib/event-emitter-polyfill.ts","../../../../packages/php-wasm/util/src/lib/split-shell-command.ts","../../../../packages/php-wasm/util/src/lib/writable-polyfill.ts","../../../../packages/php-wasm/util/src/lib/create-spawn-handler.ts","../../../../packages/php-wasm/util/src/lib/random-string.ts","../../../../packages/php-wasm/util/src/lib/random-filename.ts","../../../../packages/php-wasm/util/src/lib/php-vars.ts","../../../../packages/php-wasm/util/src/lib/sprintf.ts","../../../../packages/php-wasm/util/src/lib/index.ts"],"sourcesContent":["export const SleepFinished = Symbol('SleepFinished');\n\nexport function sleep(ms: number): Promise<typeof SleepFinished> {\n\treturn new Promise((resolve) => {\n\t\tsetTimeout(() => resolve(SleepFinished), ms);\n\t});\n}\n","import { SleepFinished, sleep } from './sleep';\n\nexport interface SemaphoreOptions {\n\t/**\n\t * The maximum number of concurrent locks.\n\t */\n\tconcurrency: number;\n\t/**\n\t * The maximum time to wait for a lock to become available.\n\t */\n\ttimeout?: number;\n}\n\nexport class AcquireTimeoutError extends Error {\n\tconstructor() {\n\t\tsuper('Acquiring lock timed out');\n\t}\n}\n\nexport default class Semaphore {\n\tprivate _running = 0;\n\tprivate concurrency: number;\n\tprivate timeout?: number;\n\tprivate queue: (() => void)[];\n\n\tconstructor({ concurrency, timeout }: SemaphoreOptions) {\n\t\tthis.concurrency = concurrency;\n\t\tthis.timeout = timeout;\n\t\tthis.queue = [];\n\t}\n\n\tget remaining(): number {\n\t\treturn this.concurrency - this.running;\n\t}\n\n\tget running(): number {\n\t\treturn this._running;\n\t}\n\n\tasync acquire(): Promise<() => void> {\n\t\t// Concurrency exhausted - wait in queue for other workers to finish:\n\t\tif (this._running >= this.concurrency) {\n\t\t\t// Create a promise and store its resolver in the queue.\n\t\t\tconst acquired = new Promise<void>((resolve) => {\n\t\t\t\tthis.queue.push(resolve);\n\t\t\t});\n\n\t\t\t// Wait until it is resolved by another worker or a timeout occurs.\n\t\t\tif (this.timeout !== undefined) {\n\t\t\t\t// Store the resolver for cleanup in case of timeout.\n\t\t\t\tconst resolve = this.queue.at(-1)!;\n\t\t\t\tconst result = await Promise.race([\n\t\t\t\t\tacquired,\n\t\t\t\t\tsleep(this.timeout),\n\t\t\t\t]);\n\t\t\t\tif (result === SleepFinished) {\n\t\t\t\t\t// Remove the resolver for the timed out worker from the queue.\n\t\t\t\t\tthis.queue.splice(this.queue.indexOf(resolve), 1);\n\t\t\t\t\tthrow new AcquireTimeoutError();\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tawait acquired;\n\t\t\t}\n\t\t}\n\n\t\t// Acquire the lock:\n\t\tthis._running++;\n\t\tlet released = false;\n\n\t\t// Return a release function:\n\t\treturn () => {\n\t\t\tif (released) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\treleased = true;\n\t\t\tthis._running--;\n\n\t\t\t// Release the first item in the queue (call its resolver):\n\t\t\tif (this.queue.length > 0) {\n\t\t\t\tthis.queue.shift()!();\n\t\t\t}\n\t\t};\n\t}\n\n\tasync run<T>(fn: () => T | Promise<T>): Promise<T> {\n\t\tconst release = await this.acquire();\n\t\ttry {\n\t\t\treturn await fn();\n\t\t} finally {\n\t\t\trelease();\n\t\t}\n\t}\n}\n","export class PhpWasmError extends Error {\n\tuserFriendlyMessage?: string;\n\tconstructor(message: string, userFriendlyMessage?: string) {\n\t\tsuper(message);\n\t\tthis.userFriendlyMessage = userFriendlyMessage ?? message;\n\t}\n}\n","/**\n * The functions in this module are mostly copied from the generated\n * Emscripten PHP module. This enables features like filesystem journaling,\n * which use some low-level Emscripten APIs and need access to the\n * same path helpers.\n */\n\n/**\n * Joins paths together.\n *\n * For example:\n *\n * > joinPaths('wordpress', 'wp-content')\n * 'wordpress/wp-content'\n *\n * Use this for all PHP paths and **do not** use path.join().\n * This is important because Emscripten paths are **always**\n * POSIX-style paths. Imagine joining paths on Windows:\n *\n * > path.join('wordpress', 'wp-content')\n * '\\\\wordpress\\\\wp-content'  // invalid in PHP.wasm\n *\n * See the path.join issue for more details:\n *\n * https://github.com/WordPress/playground-tools/issues/11#issuecomment-1579074763\n *\n * @param paths Paths segments to join\n * @returns A joined path\n */\nexport function joinPaths(...paths: string[]) {\n\tfunction hasTrailingSlash(p: string) {\n\t\treturn p.substring(p.length - 1) === '/';\n\t}\n\n\tlet path = paths.join('/');\n\tconst isAbsolute = path[0] === '/';\n\tconst trailingSlash = hasTrailingSlash(path);\n\tpath = normalizePath(path);\n\tif (!path && !isAbsolute) {\n\t\tpath = '.';\n\t}\n\tif (path && trailingSlash && !hasTrailingSlash(path)) {\n\t\tpath += '/';\n\t}\n\treturn path;\n}\n\n/**\n * Returns the directory name of a path.\n *\n * @param path\n * @returns\n */\nexport function dirname(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn '';\n\t} else if (lastSlash === 0) {\n\t\treturn '/';\n\t}\n\treturn path.substr(0, lastSlash);\n}\n\n/**\n * Returns the last portion of a path.\n *\n * @param path - The path to extract the basename from.\n * @returns The basename of the path.\n */\nexport function basename(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn path;\n\t}\n\treturn path.substr(lastSlash + 1);\n}\n\n/**\n * Normalizes a path.\n *\n * For example:\n *\n * > normalizePath('wordpress/wp-content/../')\n * 'wordpress'\n *\n * @param path\n * @returns\n */\nexport function normalizePath(path: string) {\n\tconst isAbsolute = path[0] === '/';\n\tpath = normalizePathsArray(\n\t\tpath.split('/').filter((p: any) => !!p),\n\t\t!isAbsolute\n\t).join('/');\n\treturn (isAbsolute ? '/' : '') + path.replace(/\\/$/, '');\n}\n\n/**\n * Normalizes paths.\n *\n * For example:\n *\n * > normalizePathsArray(['wordpress', 'wp-content', '..', '', '.',\n * 'wp-includes']) ['wordpress', 'wp-includes']\n *\n * @param parts parts of the path to normalize\n * @param allowAboveRoot allow paths above the root\n * @returns normalized paths\n */\nexport function normalizePathsArray(parts: string[], allowAboveRoot: boolean) {\n\tlet up = 0;\n\tfor (let i = parts.length - 1; i >= 0; i--) {\n\t\tconst last = parts[i];\n\t\tif (last === '.') {\n\t\t\tparts.splice(i, 1);\n\t\t} else if (last === '..') {\n\t\t\tparts.splice(i, 1);\n\t\t\tup++;\n\t\t} else if (up) {\n\t\t\tparts.splice(i, 1);\n\t\t\tup--;\n\t\t}\n\t}\n\tif (allowAboveRoot) {\n\t\tfor (; up; up--) {\n\t\t\tparts.unshift('..');\n\t\t}\n\t}\n\treturn parts;\n}\n\n/**\n * Checks if the given parent path is an ancestor of the given child path.\n *\n * @param parent The parent path to check.\n * @param child The child path to verify against the parent.\n * @returns Whether the `parent` path is an ancestor of the `child` path.\n */\nexport function isParentOf(parent: string, child: string) {\n\tif (parent === '/') {\n\t\treturn true;\n\t}\n\tparent = normalizePath(parent);\n\tchild = normalizePath(child);\n\treturn child.startsWith(parent + '/') || child === parent;\n}\n\n/**\n * Guarantees a path is absolute by prepending `/` if needed.\n *\n * Useful when working with user-provided paths that might be relative,\n * or when you need to normalize edge cases like empty strings.\n *\n * For example:\n *\n * > ensureAbsolutePath('wp-content/uploads')\n * '/wp-content/uploads'\n *\n * > ensureAbsolutePath('/already/absolute')\n * '/already/absolute'\n *\n * > ensureAbsolutePath('')\n * '/'\n *\n * @param path - The path to make absolute.\n * @returns An absolute, normalized path starting with `/`.\n */\nexport function ensureAbsolutePath(path: string) {\n\treturn joinPaths('/', normalizePath(path || '/'));\n}\n\n/**\n * Converts a native OS path to a POSIX-style path.\n *\n * Transformations:\n * 1. Backslashes → forward slashes\n * 2. Windows drive letter `C:\\` → `/C/` (colons are invalid in\n *    Emscripten VFS paths and cause ENOTDIR errno 28)\n *\n * On POSIX systems this is effectively a no-op.\n *\n * @see https://github.com/emscripten-core/emscripten/issues/17829\n */\nexport function toPosixPath(nativePath: string): string {\n\tlet result = nativePath.replaceAll('\\\\', '/');\n\t// Handle Windows drive letter: C:/ → /C/\n\tconst driveMatch = result.match(/^([A-Za-z]):\\//);\n\tif (driveMatch) {\n\t\tresult = '/' + driveMatch[1] + result.slice(2);\n\t}\n\treturn result;\n}\n","/**\n * Polyfills Node.js EventEmitter API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/events.html#events_class_eventemitter\n */\ntype Listener = (...args: any[]) => any;\n\nexport class EventEmitterPolyfill {\n\tlisteners: Record<string, Listener[]> = {};\n\temit(eventName: string, data?: any) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName].forEach(function (listener) {\n\t\t\t\tlistener(data);\n\t\t\t});\n\t\t}\n\t}\n\ton(eventName: string, listener: Listener) {\n\t\tif (!this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = [];\n\t\t}\n\t\tthis.listeners[eventName].push(listener);\n\t}\n\tonce(eventName: string, listener: Listener) {\n\t\tconst wrappedListener = (...args: any[]) => {\n\t\t\tthis.off(eventName, wrappedListener);\n\t\t\tlistener(...args);\n\t\t};\n\t\tthis.on(eventName, wrappedListener);\n\t}\n\toff(eventName: string, listener: Listener) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = this.listeners[eventName].filter(\n\t\t\t\t(l) => l !== listener\n\t\t\t);\n\t\t}\n\t}\n}\n","/**\n * Naive shell command parser.\n * Ensures that commands like `wp option set blogname \"My blog name\"` are split\n * into `['wp', 'option', 'set', 'blogname', 'My blog name']` instead of\n * `['wp', 'option', 'set', 'blogname', 'My', 'blog', 'name']`.\n *\n * @param command\n * @returns\n */\nexport function splitShellCommand(command: string) {\n\tconst MODE_UNQUOTED = 0;\n\tconst MODE_IN_QUOTE = 1;\n\n\tlet mode = MODE_UNQUOTED;\n\tlet quote = '';\n\n\tconst parts: string[] = [];\n\tlet currentPart = '';\n\tfor (let i = 0; i < command.length; i++) {\n\t\tconst char = command[i];\n\t\tif (char === '\\\\') {\n\t\t\t// Escaped quotes are treated as normal characters\n\t\t\t// This is a very naive approach to escaping, but it's good enough for\n\t\t\t// now. @TODO: Iterate on this later, perhaps using bun shell. @see https://github.com/WordPress/wordpress-playground/issues/1062\n\t\t\tif (command[i + 1] === '\"' || command[i + 1] === \"'\") {\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tcurrentPart += command[i];\n\t\t} else if (mode === MODE_UNQUOTED) {\n\t\t\tif (char === '\"' || char === \"'\") {\n\t\t\t\tmode = MODE_IN_QUOTE;\n\t\t\t\tquote = char;\n\t\t\t} else if (char.match(/\\s/)) {\n\t\t\t\tif (currentPart.trim().length) {\n\t\t\t\t\tparts.push(currentPart.trim());\n\t\t\t\t}\n\t\t\t\tcurrentPart = char;\n\t\t\t} else if (parts.length && !currentPart) {\n\t\t\t\t// We just closed a quote to continue the same\n\t\t\t\t// argument with different escaping style, e.g.:\n\t\t\t\t// php -r 'require '\\''vendor/autoload.php'\\''\n\t\t\t\tcurrentPart = parts.pop()! + char;\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t} else if (mode === MODE_IN_QUOTE) {\n\t\t\tif (char === quote) {\n\t\t\t\tmode = MODE_UNQUOTED;\n\t\t\t\tquote = '';\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t}\n\t}\n\tif (currentPart) {\n\t\tparts.push(currentPart.trim());\n\t}\n\treturn parts;\n}\n","/**\n * Polyfills Node.js WritableStream API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/stream.html#stream_writable_end_chunk_encoding_callback\n */\nimport { EventEmitterPolyfill } from './event-emitter-polyfill';\n\nexport interface WritableOptions {\n\thighWaterMark?: number;\n\tdecodeStrings?: boolean;\n\tdefaultEncoding?: BufferEncoding;\n\twrite: (chunk: any, encoding: BufferEncoding, cb: WriteCallback) => void;\n}\n\nexport type WriteCallback = (error?: Error | null) => void;\n\nexport class WritablePolyfill extends EventEmitterPolyfill {\n\tprivate buffer: Array<{\n\t\tchunk: any;\n\t\tencoding: BufferEncoding;\n\t\tcb: WriteCallback;\n\t}> = [];\n\tprivate writing = false;\n\tpublic ended = false;\n\tprivate length = 0;\n\tprivate highWaterMark: number;\n\tprivate decodeStrings: boolean;\n\tprivate defaultEncoding: BufferEncoding;\n\tprivate defer: (fn: () => void) => void;\n\tprivate _write: (\n\t\tchunk: any,\n\t\tencoding: BufferEncoding,\n\t\tcb: WriteCallback\n\t) => void;\n\n\tconstructor(opts: WritableOptions) {\n\t\tsuper();\n\t\tif (!opts.write) {\n\t\t\tthrow new Error('WritablePolyfill requires write option');\n\t\t}\n\t\tthis._write = opts.write;\n\t\tthis.highWaterMark = opts.highWaterMark ?? 16 * 1024;\n\t\tthis.decodeStrings = opts.decodeStrings ?? true;\n\t\tthis.defaultEncoding = opts.defaultEncoding ?? 'utf8';\n\t\t// queueMicrotask keeps browser support; fallback for older environments.\n\t\tthis.defer =\n\t\t\ttypeof queueMicrotask === 'function'\n\t\t\t\t? queueMicrotask\n\t\t\t\t: (fn) => setTimeout(fn, 0);\n\t}\n\n\twrite(\n\t\tchunk: any,\n\t\tencoding: BufferEncoding | WriteCallback = this.defaultEncoding,\n\t\tcb: WriteCallback = () => {}\n\t): boolean {\n\t\tif (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = this.defaultEncoding;\n\t\t}\n\n\t\tif (this.ended) {\n\t\t\tconst err = new Error('write after end');\n\t\t\t// We can't call this.defer() directly. If this.defer is\n\t\t\t// `queueMicrotask`, a `this.defer()` call will pass the\n\t\t\t// WritablePolyfill instance as `this` argument and cause\n\t\t\t// the browser to throw an error similar to \"Invalid\n\t\t\t// invocation\".\n\t\t\tconst defer = this.defer;\n\t\t\tdefer(() => cb(err));\n\t\t\tthis.emit('error', err);\n\t\t\treturn false;\n\t\t}\n\n\t\tif (this.decodeStrings && typeof chunk === 'string') {\n\t\t\tif (\n\t\t\t\ttypeof Buffer !== 'undefined' &&\n\t\t\t\ttypeof (Buffer as any).from === 'function'\n\t\t\t) {\n\t\t\t\tchunk = Buffer.from(chunk, encoding as BufferEncoding);\n\t\t\t} else if (typeof TextEncoder !== 'undefined') {\n\t\t\t\tchunk = new TextEncoder().encode(chunk);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\n\t\t\t\t\t'String chunks are not supported in this environment: Buffer and TextEncoder are unavailable.'\n\t\t\t\t);\n\t\t\t}\n\t\t\tencoding = 'buffer' as BufferEncoding;\n\t\t}\n\n\t\tthis.length += chunk.length ?? 1;\n\t\tconst needDrain = this.length >= this.highWaterMark;\n\n\t\tthis.buffer.push({ chunk, encoding: encoding as BufferEncoding, cb });\n\n\t\tif (!this.writing) this._clearBuffer();\n\n\t\treturn !needDrain;\n\t}\n\n\tend(\n\t\tchunk?: any,\n\t\tencoding?: BufferEncoding | WriteCallback,\n\t\tcb?: WriteCallback\n\t): void {\n\t\tif (typeof chunk === 'function') {\n\t\t\tcb = chunk;\n\t\t\tchunk = undefined;\n\t\t} else if (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = undefined;\n\t\t}\n\n\t\tif (chunk !== undefined)\n\t\t\tthis.write(chunk, encoding as BufferEncoding, () => {});\n\t\tthis.ended = true;\n\t\tif (!this.writing) this._clearBuffer();\n\t\tif (cb) this.defer(cb);\n\t}\n\n\t// Stubs kept for API parity; add logic if you depend on corking.\n\tcork(): void {}\n\tuncork(): void {}\n\n\tsetDefaultEncoding(enc: BufferEncoding): this {\n\t\tthis.defaultEncoding = enc;\n\t\treturn this;\n\t}\n\n\tprivate _clearBuffer(): void {\n\t\tconst entry = this.buffer.shift();\n\t\tif (!entry) {\n\t\t\tif (this.ended) this.emit('finish');\n\t\t\treturn;\n\t\t}\n\n\t\tthis.writing = true;\n\t\tthis._write(entry.chunk, entry.encoding, (err?: Error | null) => {\n\t\t\tthis.writing = false;\n\t\t\tthis.length -= entry.chunk.length ?? 1;\n\t\t\tif (err) this.emit('error', err);\n\t\t\tentry.cb(err);\n\n\t\t\tif (this.buffer.length) {\n\t\t\t\tthis._clearBuffer();\n\t\t\t} else {\n\t\t\t\tif (this.length < this.highWaterMark) this.emit('drain');\n\t\t\t\tif (this.ended) this.emit('finish');\n\t\t\t}\n\t\t});\n\t}\n}\n","import { EventEmitterPolyfill } from './event-emitter-polyfill';\nimport { splitShellCommand } from './split-shell-command';\nimport { WritablePolyfill, type WriteCallback } from './writable-polyfill';\n\ntype Listener = (...args: any[]) => any;\n\nexport interface ProcessOptions {\n\tcwd?: string;\n\tenv?: Record<string, string>;\n}\n\n/**\n * Usage:\n * ```ts\n * php.setSpawnHandler(\n *   createSpawnHandler(function (command, processApi) {\n *     console.log(processApi.flushStdin());\n *     processApi.stdout('/\\n/tmp\\n/home');\n *\t   processApi.exit(0);\n *   })\n * );\n * ```\n * @param program\n * @returns\n */\nexport function createSpawnHandler(\n\tprogram: (\n\t\tcommand: string[],\n\t\tprocessApi: ProcessApi,\n\t\toptions: ProcessOptions\n\t) => void | Promise<void>\n): any {\n\treturn function (\n\t\tcommand: string | string[],\n\t\targsArray: string[] = [],\n\t\toptions: ProcessOptions = {}\n\t) {\n\t\tconst childProcess = new ChildProcess();\n\t\tconst processApi = new ProcessApi(childProcess);\n\t\t// Give PHP a chance to register listeners\n\t\tsetTimeout(async () => {\n\t\t\tlet commandArray = [];\n\t\t\tif (argsArray.length) {\n\t\t\t\tcommandArray = [command as string, ...argsArray];\n\t\t\t} else if (typeof command === 'string') {\n\t\t\t\tcommandArray = splitShellCommand(command);\n\t\t\t} else if (Array.isArray(command)) {\n\t\t\t\tcommandArray = command;\n\t\t\t} else {\n\t\t\t\tthrow new Error('Invalid command ', command);\n\t\t\t}\n\t\t\ttry {\n\t\t\t\tconst promise = program(commandArray, processApi, options);\n\t\t\t\tif (\n\t\t\t\t\ttypeof promise !== 'object' ||\n\t\t\t\t\tpromise === null ||\n\t\t\t\t\t!('then' in promise)\n\t\t\t\t) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() did not return a promise. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t} else if (processApi.exited) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() exited synchronously. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\tchildProcess.emit('spawn', true);\n\t\t\t\tawait promise;\n\t\t\t} catch (e) {\n\t\t\t\tchildProcess.emit('error', e);\n\t\t\t\tif (\n\t\t\t\t\ttypeof e === 'object' &&\n\t\t\t\t\te !== null &&\n\t\t\t\t\t'message' in e &&\n\t\t\t\t\ttypeof e.message === 'string'\n\t\t\t\t) {\n\t\t\t\t\tprocessApi.stderr(e.message);\n\t\t\t\t}\n\t\t\t\tprocessApi.exit(1);\n\t\t\t}\n\t\t});\n\t\treturn childProcess;\n\t};\n}\n\nexport class ProcessApi extends EventEmitterPolyfill {\n\tpublic exited = false;\n\t/**\n\t * Keeps track of the data that was written to stdin before the\n\t * first listener was registered.\n\t */\n\tprivate stdinBuffer: Uint8Array[] | null = [];\n\tpublic childProcess: ChildProcess;\n\tconstructor(childProcess: ChildProcess) {\n\t\tsuper();\n\t\tthis.childProcess = childProcess;\n\t\tchildProcess.on('stdin', (data: Uint8Array) => {\n\t\t\tif (this.stdinBuffer) {\n\t\t\t\t// Need to clone the data buffer as it's reused by PHP\n\t\t\t\t// and the next data chunk will overwrite the previous one.\n\t\t\t\tthis.stdinBuffer.push(data.slice());\n\t\t\t} else {\n\t\t\t\tthis.emit('stdin', data);\n\t\t\t}\n\t\t});\n\t}\n\tstdinEnd() {\n\t\tif (!this.childProcess.stdin.ended) {\n\t\t\tthis.childProcess.stdin.end();\n\t\t}\n\t}\n\tstdout(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stdout.write(data);\n\t}\n\tstdoutEnd() {\n\t\tif (!this.childProcess.stdout.ended) {\n\t\t\tthis.childProcess.stdout.end();\n\t\t}\n\t}\n\tstderr(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stderr.write(data);\n\t}\n\tstderrEnd() {\n\t\tif (!this.childProcess.stderr.ended) {\n\t\t\tthis.childProcess.stderr.end();\n\t\t}\n\t}\n\tnotifySpawn() {\n\t\tthis.childProcess.emit('spawn', true);\n\t}\n\texit(code: number) {\n\t\tif (!this.exited) {\n\t\t\tthis.exited = true;\n\t\t\tthis.stdinEnd();\n\t\t\tthis.stdoutEnd();\n\t\t\tthis.stderrEnd();\n\t\t\tthis.childProcess.emit('exit', code);\n\t\t}\n\t}\n\toverride on(eventName: string, listener: Listener) {\n\t\tsuper.on(eventName, listener);\n\t\t/**\n\t\t * If it's the first stdin listener, flush all the data we've\n\t\t * buffered so far.\n\t\t */\n\t\tif (eventName === 'stdin' && this.stdinBuffer) {\n\t\t\tfor (let i = 0; i < this.stdinBuffer.length; i++) {\n\t\t\t\tthis.emit('stdin', this.stdinBuffer[i]);\n\t\t\t}\n\t\t\tthis.stdinBuffer = null;\n\t\t}\n\t}\n}\n\nlet lastPid = 9743;\nexport class ChildProcess extends EventEmitterPolyfill {\n\tstdout: WritablePolyfill;\n\tstderr: WritablePolyfill;\n\tstdin: WritablePolyfill;\n\tpid: number;\n\tconstructor(pid = lastPid++) {\n\t\tsuper();\n\t\tthis.pid = pid;\n\t\t// eslint-disable-next-line @typescript-eslint/no-this-alias\n\t\tconst self = this;\n\t\tthis.stdout = new WritablePolyfill({\n\t\t\twrite(data: any, encoding: BufferEncoding, cb: WriteCallback) {\n\t\t\t\tself.stdout.emit('data', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t\tthis.stderr = new WritablePolyfill({\n\t\t\twrite: (data: any, encoding: BufferEncoding, cb: WriteCallback) => {\n\t\t\t\tself.stderr.emit('data', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t\tthis.stdin = new WritablePolyfill({\n\t\t\twrite: (data: any, encoding: BufferEncoding, cb: WriteCallback) => {\n\t\t\t\tself.emit('stdin', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t}\n}\n","export function randomString(\n\tlength = 36,\n\tspecialChars = '!@#$%^&*()_+=-[]/.,<>?'\n) {\n\tconst chars =\n\t\t'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' +\n\t\tspecialChars;\n\tlet result = '';\n\tfor (let i = length; i > 0; --i)\n\t\tresult += chars[Math.floor(Math.random() * chars.length)];\n\treturn result;\n}\n","import { randomString } from './random-string';\n\nexport function randomFilename() {\n\treturn randomString(36, '-_');\n}\n","export function phpVar(value: unknown): string {\n\treturn `json_decode(base64_decode('${stringToBase64(\n\t\tJSON.stringify(value)\n\t)}'), true)`;\n}\n\nexport function phpVars<T extends Record<string, unknown>>(\n\tvars: T\n): Record<keyof T, string> {\n\tconst result: Record<string, string> = {};\n\tfor (const key in vars) {\n\t\tresult[key] = phpVar(vars[key]);\n\t}\n\treturn result as Record<keyof T, string>;\n}\n\nfunction stringToBase64(str: string) {\n\treturn bytesToBase64(new TextEncoder().encode(str));\n}\n\nfunction bytesToBase64(bytes: Uint8Array) {\n\tconst binString = String.fromCodePoint(...bytes);\n\treturn btoa(binString);\n}\n","/**\n * Formats a string like sprintf().\n *\n * This function:\n * - Supports basic format specifiers: %s, %d, %f, %x, %%\n * - Supports bigint values\n *\n * The purpose of this function is for use in optional php-wasm tracing.\n * If we use printf-style formatting for trace messages, we let the trace\n * function decide whether to format and do not have to pay for formatting\n * unless tracing is enabled.\n */\nexport function sprintf(format: string, ...args: any[]): string {\n\tlet result = '';\n\tlet argIndex = 0;\n\n\tfor (let i = 0; i < format.length; i++) {\n\t\tif (format[i] === '%' && i + 1 < format.length) {\n\t\t\ti++;\n\t\t\tconst specifier = format[i];\n\n\t\t\tswitch (specifier) {\n\t\t\t\tcase 's': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tlet str;\n\t\t\t\t\tif (typeof arg === 'object') {\n\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\t// If an object doesn't provide its own toString(),\n\t\t\t\t\t\t\t// try to represent it as JSON.\n\t\t\t\t\t\t\tstr = JSON.stringify(\n\t\t\t\t\t\t\t\targ,\n\t\t\t\t\t\t\t\t// Represent bigint values as strings in JSON.stringify().\n\t\t\t\t\t\t\t\t(key, value) => {\n\t\t\t\t\t\t\t\t\tif (typeof value === 'bigint') {\n\t\t\t\t\t\t\t\t\t\treturn `0x${value.toString(16)}`;\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t\treturn value;\n\t\t\t\t\t\t\t\t},\n\t\t\t\t\t\t\t\t2\n\t\t\t\t\t\t\t);\n\t\t\t\t\t\t} catch {\n\t\t\t\t\t\t\t// Ignore error and use default representation.\n\t\t\t\t\t\t}\n\t\t\t\t\t} else {\n\t\t\t\t\t\tstr = String(arg);\n\t\t\t\t\t}\n\n\t\t\t\t\tresult += str;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'd': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tif (typeof arg === 'bigint') {\n\t\t\t\t\t\tresult += arg.toString();\n\t\t\t\t\t} else {\n\t\t\t\t\t\tresult += Math.floor(Number(arg));\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'f': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tif (typeof arg === 'bigint') {\n\t\t\t\t\t\tresult += Number(arg);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tresult += Number(arg);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase 'x': {\n\t\t\t\t\tconst arg = args[argIndex++];\n\t\t\t\t\tif (typeof arg === 'bigint') {\n\t\t\t\t\t\tresult += arg.toString(16);\n\t\t\t\t\t} else {\n\t\t\t\t\t\tresult += Math.floor(Number(arg)).toString(16);\n\t\t\t\t\t}\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tcase '%': {\n\t\t\t\t\tresult += '%';\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\tdefault: {\n\t\t\t\t\tresult += '%' + specifier;\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\tresult += format[i];\n\t\t}\n\t}\n\n\treturn result;\n}\n","import Semaphore, { AcquireTimeoutError } from './semaphore';\nexport { Semaphore, AcquireTimeoutError };\nexport { PhpWasmError } from './php-wasm-error';\nexport type { SemaphoreOptions } from './semaphore';\nexport {\n\tdirname,\n\tjoinPaths,\n\tbasename,\n\tnormalizePath,\n\tisParentOf,\n\tensureAbsolutePath,\n\ttoPosixPath,\n} from './paths';\nexport { createSpawnHandler } from './create-spawn-handler';\nexport { randomString } from './random-string';\nexport { randomFilename } from './random-filename';\nexport { splitShellCommand } from './split-shell-command';\nexport { WritablePolyfill, type WritableOptions } from './writable-polyfill';\nexport { EventEmitterPolyfill } from './event-emitter-polyfill';\nexport * from './php-vars';\n\nexport * from './sprintf';\n\nexport function concatUint8Arrays(arrays: Uint8Array[]): Uint8Array {\n\tlet totalLength = 0;\n\tarrays.forEach((a) => (totalLength += a.length));\n\tconst result = new Uint8Array(totalLength);\n\tlet offset = 0;\n\tarrays.forEach((a) => {\n\t\tresult.set(a, offset);\n\t\toffset += a.length;\n\t});\n\treturn result;\n}\n\nexport function concatArrayBuffers(buffers: ArrayBuffer[]): ArrayBuffer {\n\treturn concatUint8Arrays(buffers.map((b) => new Uint8Array(b)))\n\t\t.buffer as 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This enables features like filesystem journaling,\n * which use some low-level Emscripten APIs and need access to the\n * same path helpers.\n */\n\n/**\n * Joins paths together.\n *\n * For example:\n *\n * > joinPaths('wordpress', 'wp-content')\n * 'wordpress/wp-content'\n *\n * Use this for all PHP paths and **do not** use path.join().\n * This is important because Emscripten paths are **always**\n * POSIX-style paths. Imagine joining paths on Windows:\n *\n * > path.join('wordpress', 'wp-content')\n * '\\\\wordpress\\\\wp-content'  // invalid in PHP.wasm\n *\n * See the path.join issue for more details:\n *\n * https://github.com/WordPress/playground-tools/issues/11#issuecomment-1579074763\n *\n * @param paths Paths segments to join\n * @returns A joined path\n */\nexport function joinPaths(...paths: string[]) {\n\tfunction hasTrailingSlash(p: string) {\n\t\treturn p.substring(p.length - 1) === '/';\n\t}\n\n\tlet path = paths.join('/');\n\tconst isAbsolute = path[0] === '/';\n\tconst trailingSlash = hasTrailingSlash(path);\n\tpath = normalizePath(path);\n\tif (!path && !isAbsolute) {\n\t\tpath = '.';\n\t}\n\tif (path && trailingSlash && !hasTrailingSlash(path)) {\n\t\tpath += '/';\n\t}\n\treturn path;\n}\n\n/**\n * Resolves a path and returns it only when it stays under a parent path.\n *\n * Absolute paths are checked as-is. Relative paths are resolved from the\n * parent path. The parent itself is not considered to be under the parent.\n * Paths containing null bytes are rejected before resolution.\n *\n * @param path The absolute or relative path to resolve.\n * @param parentPath The path the result must stay under.\n * @returns The normalized resolved path, or undefined when it is not a child.\n */\nexport function resolvePathUnder(path: string, parentPath: string) {\n\tif (path.includes('\\0') || parentPath.includes('\\0')) {\n\t\treturn undefined;\n\t}\n\tconst normalizedParentPath = normalizePath(parentPath);\n\tif (!normalizedParentPath) {\n\t\treturn undefined;\n\t}\n\tconst resolvedPath = normalizePath(\n\t\tpath.startsWith('/') ? path : joinPaths(normalizedParentPath, path)\n\t);\n\tif (\n\t\tresolvedPath === normalizedParentPath ||\n\t\t!isParentOf(normalizedParentPath, resolvedPath)\n\t) {\n\t\treturn undefined;\n\t}\n\treturn resolvedPath;\n}\n\n/**\n * Returns the directory name of a path.\n *\n * @param path\n * @returns\n */\nexport function dirname(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn '';\n\t} else if (lastSlash === 0) {\n\t\treturn '/';\n\t}\n\treturn path.substr(0, lastSlash);\n}\n\n/**\n * Returns the last portion of a path.\n *\n * @param path - The path to extract the basename from.\n * @returns The basename of the path.\n */\nexport function basename(path: string) {\n\tif (path === '/') {\n\t\treturn '/';\n\t}\n\n\tpath = normalizePath(path);\n\n\tconst lastSlash = path.lastIndexOf('/');\n\tif (lastSlash === -1) {\n\t\treturn path;\n\t}\n\treturn path.substr(lastSlash + 1);\n}\n\n/**\n * Normalizes a path.\n *\n * For example:\n *\n * > normalizePath('wordpress/wp-content/../')\n * 'wordpress'\n *\n * @param path\n * @returns\n */\nexport function normalizePath(path: string) {\n\tconst isAbsolute = path[0] === '/';\n\tpath = normalizePathsArray(\n\t\tpath.split('/').filter((p: any) => !!p),\n\t\t!isAbsolute\n\t).join('/');\n\treturn (isAbsolute ? '/' : '') + path.replace(/\\/$/, '');\n}\n\n/**\n * Normalizes paths.\n *\n * For example:\n *\n * > normalizePathsArray(['wordpress', 'wp-content', '..', '', '.',\n * 'wp-includes']) ['wordpress', 'wp-includes']\n *\n * @param parts parts of the path to normalize\n * @param allowAboveRoot allow paths above the root\n * @returns normalized paths\n */\nexport function normalizePathsArray(parts: string[], allowAboveRoot: boolean) {\n\tlet up = 0;\n\tfor (let i = parts.length - 1; i >= 0; i--) {\n\t\tconst last = parts[i];\n\t\tif (last === '.') {\n\t\t\tparts.splice(i, 1);\n\t\t} else if (last === '..') {\n\t\t\tparts.splice(i, 1);\n\t\t\tup++;\n\t\t} else if (up) {\n\t\t\tparts.splice(i, 1);\n\t\t\tup--;\n\t\t}\n\t}\n\tif (allowAboveRoot) {\n\t\tfor (; up; up--) {\n\t\t\tparts.unshift('..');\n\t\t}\n\t}\n\treturn parts;\n}\n\n/**\n * Checks if the given parent path is an ancestor of the given child path.\n *\n * @param parent The parent path to check.\n * @param child The child path to verify against the parent.\n * @returns Whether the `parent` path is an ancestor of the `child` path.\n */\nexport function isParentOf(parent: string, child: string) {\n\tif (parent === '/') {\n\t\treturn true;\n\t}\n\tparent = normalizePath(parent);\n\tchild = normalizePath(child);\n\treturn child.startsWith(parent + '/') || child === parent;\n}\n\n/**\n * Guarantees a path is absolute by prepending `/` if needed.\n *\n * Useful when working with user-provided paths that might be relative,\n * or when you need to normalize edge cases like empty strings.\n *\n * For example:\n *\n * > ensureAbsolutePath('wp-content/uploads')\n * '/wp-content/uploads'\n *\n * > ensureAbsolutePath('/already/absolute')\n * '/already/absolute'\n *\n * > ensureAbsolutePath('')\n * '/'\n *\n * @param path - The path to make absolute.\n * @returns An absolute, normalized path starting with `/`.\n */\nexport function ensureAbsolutePath(path: string) {\n\treturn joinPaths('/', normalizePath(path || '/'));\n}\n\n/**\n * Converts a native OS path to a POSIX-style path.\n *\n * Transformations:\n * 1. Backslashes → forward slashes\n * 2. Windows drive letter `C:\\` → `/C/` (colons are invalid in\n *    Emscripten VFS paths and cause ENOTDIR errno 28)\n *\n * On POSIX systems this is effectively a no-op.\n *\n * @see https://github.com/emscripten-core/emscripten/issues/17829\n */\nexport function toPosixPath(nativePath: string): string {\n\tlet result = nativePath.replaceAll('\\\\', '/');\n\t// Handle Windows drive letter: C:/ → /C/\n\tconst driveMatch = result.match(/^([A-Za-z]):\\//);\n\tif (driveMatch) {\n\t\tresult = '/' + driveMatch[1] + result.slice(2);\n\t}\n\treturn result;\n}\n","/**\n * Polyfills Node.js EventEmitter API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/events.html#events_class_eventemitter\n */\ntype Listener = (...args: any[]) => any;\n\nexport class EventEmitterPolyfill {\n\tlisteners: Record<string, Listener[]> = {};\n\temit(eventName: string, data?: any) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName].forEach(function (listener) {\n\t\t\t\tlistener(data);\n\t\t\t});\n\t\t}\n\t}\n\ton(eventName: string, listener: Listener) {\n\t\tif (!this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = [];\n\t\t}\n\t\tthis.listeners[eventName].push(listener);\n\t}\n\tonce(eventName: string, listener: Listener) {\n\t\tconst wrappedListener = (...args: any[]) => {\n\t\t\tthis.off(eventName, wrappedListener);\n\t\t\tlistener(...args);\n\t\t};\n\t\tthis.on(eventName, wrappedListener);\n\t}\n\toff(eventName: string, listener: Listener) {\n\t\tif (this.listeners[eventName]) {\n\t\t\tthis.listeners[eventName] = this.listeners[eventName].filter(\n\t\t\t\t(l) => l !== listener\n\t\t\t);\n\t\t}\n\t}\n}\n","/**\n * Naive shell command parser.\n * Ensures that commands like `wp option set blogname \"My blog name\"` are split\n * into `['wp', 'option', 'set', 'blogname', 'My blog name']` instead of\n * `['wp', 'option', 'set', 'blogname', 'My', 'blog', 'name']`.\n *\n * @param command\n * @returns\n */\nexport function splitShellCommand(command: string) {\n\tconst MODE_UNQUOTED = 0;\n\tconst MODE_IN_QUOTE = 1;\n\n\tlet mode = MODE_UNQUOTED;\n\tlet quote = '';\n\n\tconst parts: string[] = [];\n\tlet currentPart = '';\n\tfor (let i = 0; i < command.length; i++) {\n\t\tconst char = command[i];\n\t\tif (char === '\\\\') {\n\t\t\t// Escaped quotes are treated as normal characters\n\t\t\t// This is a very naive approach to escaping, but it's good enough for\n\t\t\t// now. @TODO: Iterate on this later, perhaps using bun shell. @see https://github.com/WordPress/wordpress-playground/issues/1062\n\t\t\tif (command[i + 1] === '\"' || command[i + 1] === \"'\") {\n\t\t\t\ti++;\n\t\t\t}\n\t\t\tcurrentPart += command[i];\n\t\t} else if (mode === MODE_UNQUOTED) {\n\t\t\tif (char === '\"' || char === \"'\") {\n\t\t\t\tmode = MODE_IN_QUOTE;\n\t\t\t\tquote = char;\n\t\t\t} else if (char.match(/\\s/)) {\n\t\t\t\tif (currentPart.trim().length) {\n\t\t\t\t\tparts.push(currentPart.trim());\n\t\t\t\t}\n\t\t\t\tcurrentPart = char;\n\t\t\t} else if (parts.length && !currentPart) {\n\t\t\t\t// We just closed a quote to continue the same\n\t\t\t\t// argument with different escaping style, e.g.:\n\t\t\t\t// php -r 'require '\\''vendor/autoload.php'\\''\n\t\t\t\tcurrentPart = parts.pop()! + char;\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t} else if (mode === MODE_IN_QUOTE) {\n\t\t\tif (char === quote) {\n\t\t\t\tmode = MODE_UNQUOTED;\n\t\t\t\tquote = '';\n\t\t\t} else {\n\t\t\t\tcurrentPart += char;\n\t\t\t}\n\t\t}\n\t}\n\tif (currentPart) {\n\t\tparts.push(currentPart.trim());\n\t}\n\treturn parts;\n}\n","/**\n * Polyfills Node.js WritableStream API. The main goal is to enable\n * using a child_process.spawn()-like API in both Node.js and the browser.\n *\n * @see https://nodejs.org/api/stream.html#stream_writable_end_chunk_encoding_callback\n */\nimport { EventEmitterPolyfill } from './event-emitter-polyfill';\n\nexport interface WritableOptions {\n\thighWaterMark?: number;\n\tdecodeStrings?: boolean;\n\tdefaultEncoding?: BufferEncoding;\n\twrite: (chunk: any, encoding: BufferEncoding, cb: WriteCallback) => void;\n}\n\nexport type WriteCallback = (error?: Error | null) => void;\n\nexport class WritablePolyfill extends EventEmitterPolyfill {\n\tprivate buffer: Array<{\n\t\tchunk: any;\n\t\tencoding: BufferEncoding;\n\t\tcb: WriteCallback;\n\t}> = [];\n\tprivate writing = false;\n\tpublic ended = false;\n\tprivate length = 0;\n\tprivate highWaterMark: number;\n\tprivate decodeStrings: boolean;\n\tprivate defaultEncoding: BufferEncoding;\n\tprivate defer: (fn: () => void) => void;\n\tprivate _write: (\n\t\tchunk: any,\n\t\tencoding: BufferEncoding,\n\t\tcb: WriteCallback\n\t) => void;\n\n\tconstructor(opts: WritableOptions) {\n\t\tsuper();\n\t\tif (!opts.write) {\n\t\t\tthrow new Error('WritablePolyfill requires write option');\n\t\t}\n\t\tthis._write = opts.write;\n\t\tthis.highWaterMark = opts.highWaterMark ?? 16 * 1024;\n\t\tthis.decodeStrings = opts.decodeStrings ?? true;\n\t\tthis.defaultEncoding = opts.defaultEncoding ?? 'utf8';\n\t\t// queueMicrotask keeps browser support; fallback for older environments.\n\t\tthis.defer =\n\t\t\ttypeof queueMicrotask === 'function'\n\t\t\t\t? queueMicrotask\n\t\t\t\t: (fn) => setTimeout(fn, 0);\n\t}\n\n\twrite(\n\t\tchunk: any,\n\t\tencoding: BufferEncoding | WriteCallback = this.defaultEncoding,\n\t\tcb: WriteCallback = () => {}\n\t): boolean {\n\t\tif (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = this.defaultEncoding;\n\t\t}\n\n\t\tif (this.ended) {\n\t\t\tconst err = new Error('write after end');\n\t\t\t// We can't call this.defer() directly. If this.defer is\n\t\t\t// `queueMicrotask`, a `this.defer()` call will pass the\n\t\t\t// WritablePolyfill instance as `this` argument and cause\n\t\t\t// the browser to throw an error similar to \"Invalid\n\t\t\t// invocation\".\n\t\t\tconst defer = this.defer;\n\t\t\tdefer(() => cb(err));\n\t\t\tthis.emit('error', err);\n\t\t\treturn false;\n\t\t}\n\n\t\tif (this.decodeStrings && typeof chunk === 'string') {\n\t\t\tif (\n\t\t\t\ttypeof Buffer !== 'undefined' &&\n\t\t\t\ttypeof (Buffer as any).from === 'function'\n\t\t\t) {\n\t\t\t\tchunk = Buffer.from(chunk, encoding as BufferEncoding);\n\t\t\t} else if (typeof TextEncoder !== 'undefined') {\n\t\t\t\tchunk = new TextEncoder().encode(chunk);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\n\t\t\t\t\t'String chunks are not supported in this environment: Buffer and TextEncoder are unavailable.'\n\t\t\t\t);\n\t\t\t}\n\t\t\tencoding = 'buffer' as BufferEncoding;\n\t\t}\n\n\t\tthis.length += chunk.length ?? 1;\n\t\tconst needDrain = this.length >= this.highWaterMark;\n\n\t\tthis.buffer.push({ chunk, encoding: encoding as BufferEncoding, cb });\n\n\t\tif (!this.writing) this._clearBuffer();\n\n\t\treturn !needDrain;\n\t}\n\n\tend(\n\t\tchunk?: any,\n\t\tencoding?: BufferEncoding | WriteCallback,\n\t\tcb?: WriteCallback\n\t): void {\n\t\tif (typeof chunk === 'function') {\n\t\t\tcb = chunk;\n\t\t\tchunk = undefined;\n\t\t} else if (typeof encoding === 'function') {\n\t\t\tcb = encoding as WriteCallback;\n\t\t\tencoding = undefined;\n\t\t}\n\n\t\tif (chunk !== undefined)\n\t\t\tthis.write(chunk, encoding as BufferEncoding, () => {});\n\t\tthis.ended = true;\n\t\tif (!this.writing) this._clearBuffer();\n\t\tif (cb) this.defer(cb);\n\t}\n\n\t// Stubs kept for API parity; add logic if you depend on corking.\n\tcork(): void {}\n\tuncork(): void {}\n\n\tsetDefaultEncoding(enc: BufferEncoding): this {\n\t\tthis.defaultEncoding = enc;\n\t\treturn this;\n\t}\n\n\tprivate _clearBuffer(): void {\n\t\tconst entry = this.buffer.shift();\n\t\tif (!entry) {\n\t\t\tif (this.ended) this.emit('finish');\n\t\t\treturn;\n\t\t}\n\n\t\tthis.writing = true;\n\t\tthis._write(entry.chunk, entry.encoding, (err?: Error | null) => {\n\t\t\tthis.writing = false;\n\t\t\tthis.length -= entry.chunk.length ?? 1;\n\t\t\tif (err) this.emit('error', err);\n\t\t\tentry.cb(err);\n\n\t\t\tif (this.buffer.length) {\n\t\t\t\tthis._clearBuffer();\n\t\t\t} else {\n\t\t\t\tif (this.length < this.highWaterMark) this.emit('drain');\n\t\t\t\tif (this.ended) this.emit('finish');\n\t\t\t}\n\t\t});\n\t}\n}\n","import { EventEmitterPolyfill } from './event-emitter-polyfill';\nimport { splitShellCommand } from './split-shell-command';\nimport { WritablePolyfill, type WriteCallback } from './writable-polyfill';\n\ntype Listener = (...args: any[]) => any;\n\nexport interface ProcessOptions {\n\tcwd?: string;\n\tenv?: Record<string, string>;\n}\n\n/**\n * Usage:\n * ```ts\n * php.setSpawnHandler(\n *   createSpawnHandler(function (command, processApi) {\n *     console.log(processApi.flushStdin());\n *     processApi.stdout('/\\n/tmp\\n/home');\n *\t   processApi.exit(0);\n *   })\n * );\n * ```\n * @param program\n * @returns\n */\nexport function createSpawnHandler(\n\tprogram: (\n\t\tcommand: string[],\n\t\tprocessApi: ProcessApi,\n\t\toptions: ProcessOptions\n\t) => void | Promise<void>\n): any {\n\treturn function (\n\t\tcommand: string | string[],\n\t\targsArray: string[] = [],\n\t\toptions: ProcessOptions = {}\n\t) {\n\t\tconst childProcess = new ChildProcess();\n\t\tconst processApi = new ProcessApi(childProcess);\n\t\t// Give PHP a chance to register listeners\n\t\tsetTimeout(async () => {\n\t\t\tlet commandArray = [];\n\t\t\tif (argsArray.length) {\n\t\t\t\tcommandArray = [command as string, ...argsArray];\n\t\t\t} else if (typeof command === 'string') {\n\t\t\t\tcommandArray = splitShellCommand(command);\n\t\t\t} else if (Array.isArray(command)) {\n\t\t\t\tcommandArray = command;\n\t\t\t} else {\n\t\t\t\tthrow new Error('Invalid command ', command);\n\t\t\t}\n\t\t\ttry {\n\t\t\t\tconst promise = program(commandArray, processApi, options);\n\t\t\t\tif (\n\t\t\t\t\ttypeof promise !== 'object' ||\n\t\t\t\t\tpromise === null ||\n\t\t\t\t\t!('then' in promise)\n\t\t\t\t) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() did not return a promise. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t} else if (processApi.exited) {\n\t\t\t\t\tthrow new Error(\n\t\t\t\t\t\t`The program callback passed to createSpawnHandler() exited synchronously. It indicates there's a bug in your code. ` +\n\t\t\t\t\t\t\t`The callback must return a promise. PHP cannot interact with program that synchronously exists at the end of the proc_open() ` +\n\t\t\t\t\t\t\t`call. All the streams would be closed already. Make sure to put an \"await new Promise(resolve => setTimeout(resolve, 1))` +\n\t\t\t\t\t\t\t`before calling processApi.exit(0) in your callback to let PHP catch up with the stdout data.`\n\t\t\t\t\t);\n\t\t\t\t}\n\t\t\t\tchildProcess.emit('spawn', true);\n\t\t\t\tawait promise;\n\t\t\t} catch (e) {\n\t\t\t\tchildProcess.emit('error', e);\n\t\t\t\tif (\n\t\t\t\t\ttypeof e === 'object' &&\n\t\t\t\t\te !== null &&\n\t\t\t\t\t'message' in e &&\n\t\t\t\t\ttypeof e.message === 'string'\n\t\t\t\t) {\n\t\t\t\t\tprocessApi.stderr(e.message);\n\t\t\t\t}\n\t\t\t\tprocessApi.exit(1);\n\t\t\t}\n\t\t});\n\t\treturn childProcess;\n\t};\n}\n\nexport class ProcessApi extends EventEmitterPolyfill {\n\tpublic exited = false;\n\t/**\n\t * Keeps track of the data that was written to stdin before the\n\t * first listener was registered.\n\t */\n\tprivate stdinBuffer: Uint8Array[] | null = [];\n\tpublic childProcess: ChildProcess;\n\tconstructor(childProcess: ChildProcess) {\n\t\tsuper();\n\t\tthis.childProcess = childProcess;\n\t\tchildProcess.on('stdin', (data: Uint8Array) => {\n\t\t\tif (this.stdinBuffer) {\n\t\t\t\t// Need to clone the data buffer as it's reused by PHP\n\t\t\t\t// and the next data chunk will overwrite the previous one.\n\t\t\t\tthis.stdinBuffer.push(data.slice());\n\t\t\t} else {\n\t\t\t\tthis.emit('stdin', data);\n\t\t\t}\n\t\t});\n\t}\n\tstdinEnd() {\n\t\tif (!this.childProcess.stdin.ended) {\n\t\t\tthis.childProcess.stdin.end();\n\t\t}\n\t}\n\tstdout(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stdout.write(data);\n\t}\n\tstdoutEnd() {\n\t\tif (!this.childProcess.stdout.ended) {\n\t\t\tthis.childProcess.stdout.end();\n\t\t}\n\t}\n\tstderr(data: string | ArrayBuffer) {\n\t\tthis.childProcess.stderr.write(data);\n\t}\n\tstderrEnd() {\n\t\tif (!this.childProcess.stderr.ended) {\n\t\t\tthis.childProcess.stderr.end();\n\t\t}\n\t}\n\tnotifySpawn() {\n\t\tthis.childProcess.emit('spawn', true);\n\t}\n\texit(code: number) {\n\t\tif (!this.exited) {\n\t\t\tthis.exited = true;\n\t\t\tthis.stdinEnd();\n\t\t\tthis.stdoutEnd();\n\t\t\tthis.stderrEnd();\n\t\t\tthis.childProcess.emit('exit', code);\n\t\t}\n\t}\n\toverride on(eventName: string, listener: Listener) {\n\t\tsuper.on(eventName, listener);\n\t\t/**\n\t\t * If it's the first stdin listener, flush all the data we've\n\t\t * buffered so far.\n\t\t */\n\t\tif (eventName === 'stdin' && this.stdinBuffer) {\n\t\t\tfor (let i = 0; i < this.stdinBuffer.length; i++) {\n\t\t\t\tthis.emit('stdin', this.stdinBuffer[i]);\n\t\t\t}\n\t\t\tthis.stdinBuffer = null;\n\t\t}\n\t}\n}\n\nlet lastPid = 9743;\nexport class ChildProcess extends EventEmitterPolyfill {\n\tstdout: WritablePolyfill;\n\tstderr: WritablePolyfill;\n\tstdin: WritablePolyfill;\n\tpid: number;\n\tconstructor(pid = lastPid++) {\n\t\tsuper();\n\t\tthis.pid = pid;\n\t\t// eslint-disable-next-line @typescript-eslint/no-this-alias\n\t\tconst self = this;\n\t\tthis.stdout = new WritablePolyfill({\n\t\t\twrite(data: any, encoding: BufferEncoding, cb: WriteCallback) {\n\t\t\t\tself.stdout.emit('data', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t\tthis.stderr = new WritablePolyfill({\n\t\t\twrite: (data: any, encoding: BufferEncoding, cb: WriteCallback) => {\n\t\t\t\tself.stderr.emit('data', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t\tthis.stdin = new WritablePolyfill({\n\t\t\twrite: (data: any, encoding: BufferEncoding, cb: WriteCallback) => {\n\t\t\t\tself.emit('stdin', data);\n\t\t\t\tcb();\n\t\t\t},\n\t\t});\n\t}\n}\n","/**\n * Explicitly marks an event whose `stdin` ReadableStream needs an independent\n * branch per listener and must be transferred across worker boundaries. The\n * global symbol registry keeps the marker stable if this package is loaded\n * more than once in the same realm.\n */\nexport const phpEventStdinTransfer = Symbol.for(\n\t'@php-wasm/php-event-stdin-transfer'\n);\n\nexport type PHPEventWithStdinTransfer = {\n\ttype: string;\n\tstdin: ReadableStream<Uint8Array>;\n\t[phpEventStdinTransfer]: true;\n};\n","import { createSpawnHandler } from '../create-spawn-handler';\nimport {\n\tphpEventStdinTransfer,\n\ttype PHPEventWithStdinTransfer,\n} from '../php-event';\n\n/**\n * Limit captured sendmail stdin to 20 MB to match common email size limits.\n *\n * Gmail limits email attachments to 25 MB https://support.google.com/mail/answer/6584\n * Outlook limits email attachments to 20 MB https://support.microsoft.com/outlook/reduce-attachment-size-to-send-large-files-with-outlook\n */\nexport const SENDMAIL_CAPTURE_MAX_SIZE = 20 * 1024 * 1024;\n\n/**\n * Emitted when a sendmail null transport receives the first stdin bytes from\n * `mail()`, `popen()`, `proc_open()`, or any other spawn of a `sendmail` binary.\n */\nexport interface PHPSendmailSpawnedEvent extends PHPEventWithStdinTransfer {\n\ttype: 'sendmail.spawned';\n}\n\n/**\n * Creates a sendmail-compatible null transport for the given PHP instance.\n * Every message handed to sendmail – via mail(), proc_open(), etc. – is streamed\n * from stdin, dispatched as a `sendmail.spawned` event, and never delivered.\n * A listener that wants real delivery must relay the message itself.\n *\n * The captured payload is exposed as the raw bytes written to sendmail stdin.\n *\n * This stream does not apply backpressure to PHP. Each listener queues unread\n * chunks in JavaScript memory when it reads more slowly than PHP writes. The\n * source accepts at most SENDMAIL_CAPTURE_MAX_SIZE bytes. Cancelling the stream\n * stops delivery through that stream without terminating the sendmail process.\n */\nexport function sendmailSpawnHandler(php: {\n\tdispatchEvent: (event: PHPSendmailSpawnedEvent) => void;\n}) {\n\treturn createSpawnHandler(async function (commandArray, processApi) {\n\t\tlet totalLength = 0;\n\t\tlet dispatched = false;\n\t\tlet exceededMaxSize = false;\n\t\tlet streamCancelled = false;\n\t\tlet controller: ReadableStreamDefaultController<Uint8Array>;\n\t\t// Construct the stream before registering stdin. Event dispatch is synchronous,\n\t\t// and a listener may start reading as soon as the first chunk arrives.\n\t\tconst stdinStream = new ReadableStream<Uint8Array>({\n\t\t\tstart(streamController) {\n\t\t\t\tcontroller = streamController;\n\t\t\t},\n\t\t\tcancel() {\n\t\t\t\t// Cancellation only means no reader wants more bytes from this source. Keep\n\t\t\t\t// the null transport alive so PHP can finish writing and receive an exit code.\n\t\t\t\tstreamCancelled = true;\n\t\t\t},\n\t\t});\n\n\t\tprocessApi.on('stdin', (data: Uint8Array) => {\n\t\t\tif (!dispatched) {\n\t\t\t\t// Do not publish an email until sendmail receives actual message bytes. 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lib/index.d.ts

@@ -5,4 +5,8 @@ import Semaphore, { AcquireTimeoutError } from './semaphore';
 export type { SemaphoreOptions } from './semaphore';
-export { dirname, joinPaths, basename, normalizePath, isParentOf, ensureAbsolutePath, toPosixPath, } from './paths';
+export { dirname, joinPaths, basename, normalizePath, isParentOf, resolvePathUnder, ensureAbsolutePath, toPosixPath, } from './paths';
 export { createSpawnHandler } from './create-spawn-handler';
+export { phpEventStdinTransfer } from './php-event';
+export type { PHPEventWithStdinTransfer } from './php-event';
+export { sendmailSpawnHandler, SENDMAIL_CAPTURE_MAX_SIZE, } from './spawn-handlers/sendmail';
+export type { PHPSendmailSpawnedEvent } from './spawn-handlers/sendmail';
 export { randomString } from './random-string';
@@ -9,0 +13,0 @@ export { randomFilename } from './random-filename';

lib/paths.d.ts

@@ -31,2 +31,14 @@ /**
 /**
+ * Resolves a path and returns it only when it stays under a parent path.
+ *
+ * Absolute paths are checked as-is. Relative paths are resolved from the
+ * parent path. The parent itself is not considered to be under the parent.
+ * Paths containing null bytes are rejected before resolution.
+ *
+ * @param path The absolute or relative path to resolve.
+ * @param parentPath The path the result must stay under.
+ * @returns The normalized resolved path, or undefined when it is not a child.
+ */
+export declare function resolvePathUnder(path: string, parentPath: string): string | undefined;
+/**
  * Returns the directory name of a path.
@@ -33,0 +45,0 @@ *

package.json

@@ -7,3 +7,3 @@ {
   },
-  "version": "3.1.44",
+  "version": "3.1.45",
   "type": "module",
@@ -31,3 +31,3 @@ "types": "index.d.ts",
   "module": "./index.js",
-  "gitHead": "0dbdfe5a210d28802052ef7023d385eb005ff7a4",
+  "gitHead": "d8132e032daf7c1ac2fd568af48444d84a59ced2",
   "engines": {
@@ -34,0 +34,0 @@ "node": ">=20.10.0",

No alert changes

Improved metrics

Total package byte prevSize

151050

19.14%

Number of package files

23

9.52%

Lines of code

850

20.57%

No dependency changes