Instanceof Packages

A simple package which returns true when object is type of some specific interface or type.

Tests to see if the prototype property of a constructor appears anywhere in the prototype chain of an value.

locore is a Standard library. the library with basic JavaScript methods to improve development efficiency.

WIP: Checking and comparing with the prototype

Checking and comparing with the prototype

Determine if a value is an instance of a type

Create typed overloads for functions

Make assertions and perform checks for types and literal values

Simple library to check for many types.

@lceihen/demo-utils

@lceihen/mysql-utils

Function argument validation for humans

`modern-errors` plugin to execute class-specific logic

Additional ESLint rules.

A collection of utilities dealing with object

Additional ESLint rules.

Type check values. This is a fork of sindresorhus/is, but with CommonJS support.

Prototypes as classes

Better Type Checking

Type utilities