Check Packages

is-iojs determines if runtime is io.js.

Keep watch of your bundle size

JavaScript Semistandard Style - ESLint Shareable Config

Check if a value is a function

Async npm module for Node JS that reads the first line of a file

Check that all files match prettier code style.

code > prettier > stylelint > formatted code

Tiny module for checking if Promise is globally available

Looks up the first non-whitespace character to the left/right of a given index

Check if the package is being installed by another package

Markdown TaskList components

Check whether a package or organization name is available on npm

An ESLint Shareable Config for JavaScript Standard Style with TypeScript support

Returns true if an object has an own, nested property using dot notation paths ('a.b.c').

Detect the image type of a Buffer/Uint8Array

Runtime library to validate data against TypeScript interfaces

A JSON fixer

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

check if an AST node is a MemberExpression, in general or a specific one

Parse dotenv files for Boolean, Array, and Number variable types, built for CrocodileJS