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174 packages found

func allows you to declare functions with strict type-checked arguments that are validated at runtime using zod

published 1.1.1 2 months ago
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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

published 1.1.20 19 days ago
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A simple, convenient way to represent domain objects, leverage domain knowledge, and add runtime validation in your code base.

published 0.21.0 19 days ago
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Powerful and easy runtime type checking

published 0.21.0 14 days ago
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Runtime type-checking for JavaScript.

published 0.2.10 5 years ago
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Check that email addresses are really able to accept emails by pinging the DNS and checking for active MX records.

published 1.0.9 4 years ago
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simple express-validator wrapper for easier work with validation error handling

published 1.0.1 9 years ago
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a simple utility for validating types, such as strings, numbers, arrays, functions and so on

published 1.0.1 3 years ago
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A simple function to check if a piece of data is truthy. JavaScript version.

published 1.3.1 a year ago
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Function argument validation for humans

published 0.28.1 3 years ago
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Validate an email address according to RFCs 5321, 5322, and others

published 3.2.0 6 years ago
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Defensive programming framework for TypeScript and JavaScript

published 1.0.4 5 years ago
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Runtime type system for TypeScript

published 1.0.0 a month ago
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A library for synchronous and asynchronous input validation.

published 0.34.2 6 years ago
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Type check values. This is a fork of sindresorhus/is, but with CommonJS support.

published 5.6.0 a year ago
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Schemas for JSON Objects, or simply SJOT, offers faster JSON validation and type checking with lightweight schemas and compact validators. SJOT schemas have the look and feel of object templates and are easy to use.

published 1.4.4 7 years ago
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