Modules Reference

Note

Some WASM runtimes may not support all modules, especially those with native dependencies. We are working on improving this, but for now, check the module documentation for any platform-specific notes.

internal:array Native and WASM

Utilities for array manipulation, querying, and transformations.

• arr.len(array)
• arr.push(array, items...)
• arr.pop(array)
• arr.first(array)
• arr.last(array)
• arr.reverse(array)
• arr.join(array, separator)
• arr.contains(array, value)
• arr.sum(array)
• arr.avg(array)

internal:fs Native

File system operations like reading, writing, listing, and moving paths.

• fs.cwd()
• fs.chdir(path)
• fs.exists(path)
• fs.read_file(path)
• fs.write_file(path, content)
• fs.append_file(path, content)
• fs.list_dir(path?)
• fs.mkdir(path)
• fs.remove(path)
• fs.rename(from, to)
• fs.copy(from, to)

internal:hash Native and WASM

Hashing and encoding helpers such as SHA-256, HMAC, hex, and base64.

• hash.sha256(input)
• hash.hmac_sha256(key, message)
• hash.base64_encode(input)
• hash.base64_decode(input)
• hash.hex_encode(input)
• hash.hex_decode(input)

internal:http Native

HTTP client helpers for requests and response inspection.

• http.get(url, timeout_ms?)
• http.delete(url, timeout_ms?)
• http.post(url, body, content_type?, timeout_ms?)
• http.put(url, body, content_type?, timeout_ms?)
• http.patch(url, body, content_type?, timeout_ms?)
• http.request(method, url, body?, content_type?, timeout_ms?)
• http.status(response)
• http.ok(response)
• http.text(response)
• http.body(response)

internal:math Native and WASM

Mathematical constants and numeric operations for calculations.

• math.pi()
• math.e()
• math.tau()
• math.abs(n)
• math.sqrt(n)
• math.cbrt(n)
• math.pow(base, exp)
• math.min(...)
• math.max(...)
• math.floor(n)
• math.ceil(n)
• math.round(n)
• math.trunc(n)
• math.sin(n)
• math.cos(n)
• math.tan(n)
• math.asin(n)
• math.acos(n)
• math.atan(n)
• math.atan2(y, x)
• math.sinh(n)
• math.cosh(n)
• math.tanh(n)
• math.exp(n)
• math.ln(n)
• math.log(n, base)
• math.log10(n)
• math.log2(n)
• math.random()
• math.eval(value)

internal:random Native and WASM

Pseudo-random value generation with optional deterministic seeding.

• random.float()
• random.bool()
• random.seed(seed)
• random.int(min, max)
• random.choice(array)
• random.shuffle(array)

internal:server Native

Lightweight HTTP server utilities for local routing and responses.

• new Server()
• server.defineRoute(path, handlerFn)
• server.defineRoutes(path, handlerFn)
• server.listen(port)
• server.serve(port)
• server.wait()
• server.stop()
• server.stop_all()
• server.running()
• server.address()
• server.url()
• server.start(port, body?, status?, content_type?)

Connection helpers inside handlers:

• connection.reply(body)
• connection.status(code)
• connection.contentType(type)

internal:string Native and WASM

String manipulation helpers for casing, slicing, matching, and replacement.

• str.len(s)
• str.upper(s)
• str.lower(s)
• str.trim(s)
• str.split(s, delimiter)
• str.replace(s, from, to)
• str.contains(s, needle)
• str.starts_with(s, prefix)
• str.ends_with(s, suffix)
• str.repeat(s, n)
• str.reverse(s)
• str.chars(s)

internal:system Native and WASM

Runtime and environment information such as time, args, and platform.

• sys.time()
• sys.time_ms()
• sys.args()
• sys.env(key)
• sys.platform()
• sys.arch()

internal:uuid Native and WASM

UUID generation helpers for versions 1, 4, 6, and 7.

• uuid.v1()
• uuid.v4()
• uuid.v6()
• uuid.v7()