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ANT - Ant sized JavaScript Runtime
===================================
A minimal embedded JavaScript engine with async/await, promises, modules,
and built-in APIs for HTTP servers, timers, crypto, and JSON.
BUILD:
meson setup build && meson compile -C build
RUN:
./build/ant script.js
EXAMPLE:
See examples/server/server.js for a good server example using Ant.serve()
with Radix3 routing, parameter handling, and various response types.
MODULES:
HTTP & Networking:
- Ant.serve() - HTTP server with uv_tcp (TLS support via tlsuv)
- fetch() - HTTP client with TLS support (GET, POST, etc.)
Timers & Scheduling (built-in):
- setTimeout() - Execute callback after delay
- setInterval() - Execute callback repeatedly
- setImmediate() - Execute callback on next event loop tick
- clearTimeout() - Cancel scheduled timeout
- clearInterval() - Cancel scheduled interval
- queueMicrotask() - Queue microtask for execution
File System (import from 'ant:fs'):
Async:
- readFile() - Read file asynchronously
- writeFile() - Write file asynchronously
- unlink() - Delete file asynchronously
- mkdir() - Create directory asynchronously
- rmdir() - Remove directory asynchronously
- stat() - Get file statistics
Sync:
- readFileSync() - Read file synchronously
- writeFileSync() - Write file synchronously
- unlinkSync() - Delete file synchronously
- mkdirSync() - Create directory synchronously
- rmdirSync() - Remove directory synchronously
- statSync() - Get file statistics synchronously
Shell Commands (import { $ } from 'ant:shell'):
- $`command` - Execute shell commands with tagged template literals
- result.text() - Get stdout as string
- result.lines() - Get stdout as array of lines
- result.exitCode - Command exit code
- result.stdout - Raw stdout
- result.stderr - Raw stderr
Cryptography (crypto):
- random() - Cryptographically secure random number
- randomBytes() - Generate random bytes
- randomUUID() - Generate UUID v4
- randomUUIDv7() - Generate UUID v7 (time-ordered)
- getRandomValues() - Fill TypedArray with random values
- btoa() - Base64 encoding (built-in)
- atob() - Base64 decoding (built-in)
Path Utilities (import from 'ant:path'):
- basename() - Get filename from path
- dirname() - Get directory from path
- extname() - Get file extension
- join() - Join path segments
- resolve() - Resolve absolute path
- normalize() - Normalize path
- isAbsolute() - Check if path is absolute
Process (Ant.process):
- env - Environment variables (with .env file support)
- pid - Process ID
- exit() - Exit process with code
JSON:
- JSON.parse() - Parse JSON string (using yyjson)
- JSON.stringify() - Stringify to JSON
- console.log() - Log with colored JSON output
- console.error() - Log errors
- console.warn() - Log warnings
- console.dir() - Log objects
Foreign Function Interface (import from 'ant:ffi'):
- dlopen() - Load dynamic library
- define() - Define C function signature
- alloc() - Allocate memory
- free() - Free memory
- read() - Read from pointer
- write() - Write to pointer
- callback() - Create C callback from JS function
- freeCallback() - Free callback memory
- pointer() - Get pointer from value
- readPtr() - Read pointer value
- suffix - Platform library suffix (.so, .dylib, .dll)
- FFIType - Type constants for FFI
Binary Data:
- ArrayBuffer - Fixed-length binary data buffer
- SharedArrayBuffer - Shared memory buffer for concurrency
- TypedArrays:
* Int8Array, Uint8Array, Uint8ClampedArray
* Int16Array, Uint16Array
* Int32Array, Uint32Array
* Float32Array, Float64Array
* BigInt64Array, BigUint64Array
- DataView - Low-level interface to ArrayBuffer
- Buffer - Node.js-compatible Buffer (Uint8Array subclass)
Atomic Operations:
- Atomics.add() - Atomic addition
- Atomics.sub() - Atomic subtraction
- Atomics.and() - Atomic bitwise AND
- Atomics.or() - Atomic bitwise OR
- Atomics.xor() - Atomic bitwise XOR
- Atomics.load() - Atomic load
- Atomics.store() - Atomic store
- Atomics.exchange() - Atomic exchange
- Atomics.compareExchange() - Atomic compare-and-exchange
- Atomics.wait() - Wait for shared memory location
- Atomics.notify() - Notify waiters on shared memory
- Atomics.isLockFree() - Check if size is lock-free
Events:
- addEventListener() - Register event listener
- removeEventListener() - Remove event listener
- dispatchEvent() - Dispatch custom event
Web Storage:
localStorage (file-persistent):
- setFile() - Set storage file path (required before use)
- setItem() - Store key-value pair
- getItem() - Retrieve value by key
- removeItem() - Remove key-value pair
- clear() - Clear all stored data
- key() - Get key at index
- length - Number of stored items
sessionStorage (in-memory, session-scoped):
- setItem() - Store key-value pair
- getItem() - Retrieve value by key
- removeItem() - Remove key-value pair
- clear() - Clear all stored data
- key() - Get key at index
- length - Number of stored items
Symbol:
- Symbol() - Create unique symbol
- Symbol.iterator - Well-known iterator symbol
- Symbol.toStringTag - Well-known toStringTag symbol
Module System:
- import() - Dynamic ESM module import
- import.meta.url - Current module URL
- import.meta.dirname - Current module directory
- import.meta.resolve() - Resolve module specifier
- export / import - Static ESM imports/exports
- import 'ant:fs' - Import built-in fs module
- import 'ant:path' - Import built-in path module
- import 'ant:shell' - Import built-in shell module ($`...`)
- import 'ant:ffi' - Import built-in FFI module
JAVASCRIPT FEATURES:
Full ES1-ES5 compliance with ES6+ extensions:
ES1-ES5 Core:
- Automatic Semicolon Insertion (ASI)
- var hoisting and function declarations
- try/catch/finally error handling
- for...in loops and property enumeration
- Regular expressions with full pattern matching
- Strict mode support ("use strict")
- Object.defineProperty() with property descriptors
- Function.prototype.call/apply/bind
- Array methods (map, filter, reduce, forEach, etc.)
- String methods (split, replace, includes, startsWith, etc.)
- Math object with all standard functions
ES6+ Extensions:
- Async/await and Promises (Promise.all, Promise.race, Promise.resolve, etc.)
- Arrow functions, classes, template literals, destructuring
- Spread operator and rest parameters
- Optional chaining (?.) and nullish coalescing (??)
- for...of loops with iterables
- let/const block scoping
- BigInt support with arithmetic operations
- Number literals (binary 0b1010, octal 0o755, hex 0xFF)
- Built-in collections: Map, Set, WeakMap, WeakSet
- Getter/setter methods in class expressions (get/set)
- Symbol with well-known symbols (iterator, toStringTag)
- Block-level function declaration hoisting
CONCURRENCY:
- Minicoro-based coroutines for async/await
- Event loop with microtask queue
- Atomic operations for lock-free concurrent programming
- SharedArrayBuffer for shared memory between workers
- Atomics.wait/notify for thread synchronization
SYSTEM:
- Signal handlers (SIGINT, SIGTERM, etc.)
- Mark-and-sweep garbage collector with free list optimization
- Property lookup caching for performance
- Dynamic memory growth with configurable limits
- Native library integration via FFI
- libuv-based async I/O for files and networking

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