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205 packages found
Validate an email address according to RFCs 5321, 5322, and others
typyts is a library to safely access nested object.
Defensive programming framework for TypeScript and JavaScript
Library to check variable type and properties in object.
Type check values. This is a fork of sindresorhus/is, but with CommonJS support.
Robust and comprehensive type checking library for node and the browser
A smarter way to check Javascript types.
A library for synchronous and asynchronous input validation.
A library for synchronous and asynchronous error handling.
test if a value is a javascript primitive type
checktypes-js is a package to help you check the types of a item variable using simple type or scheme for an object
A simpler version of Facebook's invariant implementation from React
Intuitive type checking functions exposed globally
a library for hassle-free type checking in Node.js
Interface checking for JS values
A custom code style for ESLint.
allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types
Simple options manager for JavaScript libraries. Handles type checking, default values assignation and throws generated usage on errors.
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