Array#isArray for older browsers
ECMAScript AST recursive visitor
deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify
Get the command from a shebang
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
CLI arguments parser. Native port of python's argparse.
Buffers events from a stream until you are ready to handle them.
Resolve the path of a module like `require.resolve()` but from a given path
JSON parse & stringify that supports binary via bops & base64
Run a function exactly one time
Callback wrapping utility
Allows users to use generators in order to write common functions that can be both sync or async.
deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results, with no public domain dependencies
Fast deep equal
process.nextTick but always with args
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST
Returns true if a string has an extglob.
Safer Node.js Buffer API
Use node's fs.realpath, but fall back to the JS implementation if the native one fails
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Create a stream that emits events from multiple other streams
The Node.js `util.deprecate()` function with browser support
Merge multiple streams into one stream in sequence or parallel.
Javascript ecosystem extension for the Thirdpass package review system.
A multi-ecosystem package code review system.