OakData web analytics SDK — drop-in tracker for browser + Next.js apps.
Array#isArray for older browsers
CLI arguments parser. Native port of python's argparse.
Get the command from a shebang
Callback wrapping utility
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
Allows users to use generators in order to write common functions that can be both sync or async.
ECMAScript AST recursive visitor
deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results, with no public domain dependencies
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
process.nextTick but always with args
deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify
Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST
Use node's fs.realpath, but fall back to the JS implementation if the native one fails
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
Safer Node.js Buffer API
Merge multiple streams into one stream in sequence or parallel.
Returns true if a string has an extglob.
Create a stream that emits events from multiple other streams
The Node.js `util.deprecate()` function with browser support
ES2015 `Object.assign()` ponyfill
Buffers events from a stream until you are ready to handle them.