Function triggers error if argument is not integer of zero or greater

A minimal functional programming language with type inference, algebraic data types and pattern matching

2 functions that check if passed argument is or is not an object. Null is not considered an object.

2 functions that check if argument is or is not string

Make-A-Maze is a Domain-Specific Language for constructing mazes, a concrete console-based application using Python with GUI compatibility.

🖐 Simple, Lightweight type checking of multiple arguments 👀

Pytest plugin for replacing reveal_type() calls with static and runtime type checking result comparison

Strict, declarative, extensible runtime type checker for JavaScript

❓ Collection of tiny type introspection helpers

2 functions that check if passed argument is or is not a finite number

Simple and very small JavaScript library to check types and instanceof.

Adds additional assertions and type checkers to Node.js projects.

Functions that check if argument is, or is not, undefined or null

Advanced typescript type-checking demo for class constructor parameters using recursive, conditional and variadic tuple types

A JavaScript library that checks whether the value is of a specific type

A runtime type-checking library for javascript

A little javascript library for checking argument values

I set up this repository to demostrate several different ways to do dynamic data check types in our javascript code, I will perform them using nodejs.

Developer-friendly value range checks with user-friendly error messages

📦CheckMe is a lightweight data validation tool that helps you easily check the types and formats of various data. Hope to help you ~ 🔖