ES2015 `Object.assign()` ponyfill

Buffers events from a stream until you are ready to handle them.

TypeScript definitions for fast-ratelimit

Fast (and loose) selective `process.env` replacer using js-tokens instead of an AST

Merge multiple streams into one stream in sequence or parallel.

extend like a boss

Create a stream that emits events from multiple other streams

process.nextTick but always with args

[](https://travis-ci.org/stefanpenner/get-caller-file) [](https://ci.a

Use node's fs.realpath, but fall back to the JS implementation if the native one fails

Normalize slashes in a file path to be posix/unix-like forward slashes. Also condenses repeat slashes to a single slash and removes and trailing slashes, unless disabled.

Fast deep equal

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Require module from string

Plugin for generating TypeScript types of contracts.

TypeScript utility library: IP/host/URL/email validation, crypto helpers, time models, and DB/vault utilities.

Turn any collection of objects into its own efficient tree or linked list using Symbol

64-bit big-endian signed integer-to-string conversion

return list of CallSite objects from a captured stacktrace