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285 packages found
Bulletproof type checking for JavaScript
Babel plugin for type checking based on JSDoc comments in selected environments.
2 functions that check if argument is or is not string
Type checking and DDD for JavaScript
defining interfaces for class structure and auto-type checking in javascript for Node.js
Lightweight replacement for the ow validation library meant for browser usage.
Function triggers error if argument is not float of type 'number'
File extractor to get real extension of file given by checking through the file's signature
- file signature
- file signatures
- signature
- magicnumber
- magic number
- file
- type
- hex
- detection
- filetype
- mimetype
- magic byte
- validation
- magic-bytes
- View more
Angular form validation on steroids
Function triggers error if argument is neither a primitive type or array
Cuffs is a library that gives you authority over your javascript values. It let's you check, cast and fix a javascript value to a certain type.
A NodeJS type checking and casting library
Function triggers error if argument is not finite number of type 'number'
A collection of prop types that can be used for checking and parsing values.
Infer the content-type of a request using Fetch API interfaces.
AngularJS introspection utilities
A set of type checks, guards, and predicates for simpler, safer, and easier to read code.
Type check and assert