Type Packages

Runtime library to validate data against TypeScript interfaces

Long number type for Mongoose

A proper typeof that works with primitives, built-in value objects and those from other execution contexts.

Checks TypeScript types match expected values

Effortlessly convert your JSON Object to JSON Schema, Mongoose Schema, or a Generic template for quick documentation / upstart.

`util.inspect` with additional type information

focus on the essential experience

Stringify the value with appending its type: 10 → '10 (number)'

Assert a given object is a valid glob option

Validate glob options

Create an error from the result of validate-glob-opts

Turn Buffer instances into "pointers"

Relationship type checker functions for Typescript types.

Upcast is a low-level JavaScript type checking and casting library

Parse and validate RFC6838 media types, anything from 'text/plain' to 'application/vnd.company.app.entity-v2+xml;charset=utf8'

Minimal JavaScript type checking library

Populate a <canvas> with SDF font texture atlas

Telegram typings for TypeScript and Flowtype to create bots

Validates if a value is undefined.

Returns `true` if a value exists in the given string, array or object.