Type Packages

Check if a Buffer/Uint8Array is a ZIP file

Check if a Buffer/Uint8Array is a BZIP2 file

Returns true if the given is falsey (according to JavaScript) or matches a 'falsey' keyword.

Get a property from an object using dot (object path) notation.

unist utility to select nodes with CSS-like selectors

Validates if a value is an array.

Validates if a value is a number.

Validates if a value is an integer.

Check if a value is a `Blob`

complete type checking for node

Checks if the given value is null or undefined

Checks if the given value is a native function.

Avro for JavaScript

flattens nested vertex data into a typed array

A tiny javascript type testing tool

Runtime validation for static types

Copy an error object.

Validates if a value is matrix-like.

Calculate metrics of a font

Populate a <canvas> element with a font texture atlas