Type Packages

GraphQLObjectId - GraphQL scalar for mongodb ObjectId

A module to check whether a JavaScript value is of a certain type

node-postgres plugin to parse range columns

Utility that allows to check that an object validates a predefined contract

Checks if the given value is a valid array-like index.

Better 'typeof'. Detects real type of the objects like 'Array()', 'new Number(1)', 'new Boolean(true)', etc.

Union types for JavaScript

Check if a Buffer/Uint8Array is a MP3 file.

An 'is' utility for Electron which provides a set of handy functions, with a self-descriptive name.

Automatically adds datepickers to input[type=date] on IE, Firefox, and macOS Safari.

Check if a Buffer/Uint8Array is an OGG file.

Detect the audio type of a Buffer/Uint8Array

Check if a Buffer/Uint8Array is a m4a file.

Check if a Buffer/Uint8Array is a wav file.

Check if a Buffer/Uint8Array is a FLAC file.

Check the type coverage of any TypeScript project with this easy npm package

Intuitive, type safe and flexible Store for Vue

Stringify an object/array like JSON.stringify just without all the double-quotes

Small wrapper to wrap your custom type check so that you can use `myCustomType.isRequired` in a similar fasion to React's built-in types.

Curried TypeScript type guards for primitive types and classes