check type of variable
What is the type of this builtin JS value?
Constants and utilities about visitor keys to traverse AST.
minimal implementation of a PassThrough stream
TypeScript definitions for which
Common get-version-range-type shared between changeset packages
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
Tiny DOM-element-creation utility
Generates and consumes source maps
The ultimate javascript content-type utility.
Convert a string index to its line and column position
Traverse JSON Schema passing each schema object to callback
type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Like which(1) unix command. Find the first instance of an executable in the PATH.
[](https://badge.fury.io/js/ngx-slick-carousel) [](https://travis-ci.com/leo6104/ngx-slick-carousel)
Slice a string with ANSI escape codes
Managing and serializing Rust-like Option types in JavaScript
Type check values
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
A typed implementation of the Semantic Version 2.0.0 specification.
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Detect the file type of a file, stream, or data
A inter-process and inter-machine lockfile utility that works on a local or network file system
Polyfill of future proposal for `util.parseArgs()`