Duck-typing Packages

A little library for asserting types and values, with zero dependencies.

Large collection of predicates.

Uncouple constructors and classes methods into functions.

Fast and boilerplate-free precondition checks for javascript.

Zero-dependencies, light-weight library for modeling, validating & sanitizing data

Tiny tiny duck typing utility

A little library for asserting types and values, with zero dependencies. Follower for check-types (archived).

Interfaces for duck typing approach

Check for what you need. Mainly for framework developers

A better alternative to the typeof-operator in JS. Utilizes the internal [[CLASS]] property.

A little library for asserting types and values.

A little javascript library for checking argument values

Unlike default EcmaScript (JavaScript) constructors such as `String() defaults to '' | Number() defaults to 0 | Symbol() defaults to Symbol() | Boolean() defaults to false` . Instead, using `typed-getters` we can maintain consistency among JavaScript prim