This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)

Deprecated. Utilities for ES3, most of which have been adopted or superseded in ES5.1. Adapted from Douglas Crockford's Remedial JavaScript

Determine a value's type.

A set of JavaScript helper functions to check for types

Get the native JavaScript type of a value, preceded by the appropriate indefinite article (either `a` or `an`), for use in error messages.

A ridiculously light-weight argument validator (now browser friendly)

WASI threads proposal implementation in JavaScript

Node module. typeOf('a string') == 'string', typeOf([]) == 'array', etc.. Also supports named functions detections aka javascript classes

TypeScript definitions for kdbush

type inferer

Improved typeof detection for node.js and the browser.

This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)

A robust utility for determining the runtime type of any JavaScript value.

Curated collection of data structures for the JavaScript/TypeScript.

Additional JSON-Schema keywords for Ajv JSON validator

A React table component designed to allow presenting thousands of rows of data.

Fixed-point number types for JavaScript

maximally minimal type-testing library

Strict borsh compatible de/serializer

Validate the type of arguments passed through the function.