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268 packages found
Go boom! with a clean, compact syntax for your javascript type checking.
Turn on transpile-free type hinting for your vanilla JS projects #JSWithTypes
Typesafe decoders for Typescript
Type checking for package.json
Complete NOT type checking for node. Reverse for 'is-type-of'
Functions that check if argument is integer or float
Type check values: `is.string('🦄') //=> true`
Use abbreviations for checking type of given value. Like `kindof(val, 'soa')` to check that value is string, object or array.
Flexible data validation using a duck type interface
2 functions that check if argument is undefined or null
Function triggers error if argument is not integer of zero or greater
Type checking for json objects
Simple type validation utilities. Meant for checking types of argument input in microlibraries.
Type checking, auto hotfixing and error handling.
2 functions that check if passed argument is or is not an object. Null is not considered an object
Yet Another Type Checker for JavaScript
Easy JavaScript type assurance.
Format Specification for JSON & Dynamic Format Checking & Document Generation
Function triggers error if argument is not type 'function'
Triggers error if argument is not integer of type 'number'