valleydate
immutable object validator
immutable object validator
utility module, immutable type validator & Erlang/Elixir style guards ( but with every imaginable method ).
NgxMatErrors provides an easy, yet flexible solution for displaying error messages in a MatFormField.
Messages validation for error forms
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heaves or Simple Express Validator Or Error Handler (if you don't understand it, read it backwards) is a small library used for data validation and standardization of error messages in express.
README.md
A simple Express middleware to handle and format error messages, improving error management in your applications.
type validator & Erlang/Elixir style guards.
Real-time error messaging and supports field dependencies React hook for form validation
An interactive and visually appealing error visualization tool for Node.js. Transforms cryptic stack traces into colorful, ASCII art-enhanced displays with helpful tips and an interactive exploration mode.