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206 packages found
Validation framework for TypeScript and JavaScript
Fully validate an email address's syntactic correctness and existence as a real email address that will not bounce. Basic RFC validation also available.
Static-typing and optional parameters in native JavaScript.
Object template declaration and runtime type checking
A simple library for detecting if a user is using a mobile browser
Dead-simple spell checking in CodeMirror.
Tiny and easy-to-use command-line arguments parser.
- parse
- parser
- args
- argv
- arguments
- variables
- cli
- cmd
- command
- command-line
- minimist
- optimist
- yargs
- yargs-parser
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Type checking and DDD for JavaScript
Dead-simple spell checking in CodeMirror.
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.
Deep type checking by comparison
Infer the content-type of a request using Fetch API interfaces.
AngularJS introspection utilities
GraphQL 'constraint' directive written in functional programming style
A set of type checks, guards, and predicates for simpler, safer, and easier to read code.
Type check and assert
assertions for node and browser
- asserts
- assert
- assert-js
- asserts-js
- assertjs
- assertsjs
- jsassert
- jsasserts
- js-assert
- js-asserts
- assertion
- validation
- validate
- sanitization
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Runtime type checking for Flow