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

Merge multiple streams into one stream in sequence or parallel.

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.

Create a stream that emits events from multiple other streams

ES2015 `Object.assign()` ponyfill

Constant-time comparison of Buffers

A stream that emits multiple other streams one after another.

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

extend like a boss

return list of CallSite objects from a captured stacktrace

Fast deep equal

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

Support for representing 64-bit integers in JavaScript

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

An implementation of WHATWG AbortController interface.

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

A cross browser microtask library

An arbitrary-precision Decimal type for JavaScript.

Require module from string

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