Invalid Packages

A node executable to find any filenames recursively with invalid characters in them

A node executable to find any filenames recursively with characters that don't belong in URLs

Make assertions and perform checks for types and literal values

A tiny ponyfill for @babel/plugin-proposal-throw-expressions, the syntax from which TypeScript and VS Code do not (yet) support.

Fast, tiny and type-safe runtime validation library

'Functions all the way down' data validation for JavaScript and TypeScript.

detects dependency version mismatches for streamlined dependency management

A simple and composable way to validate data in JavaScript (and TypeScript).

A simple, expressive way to validate data in JavaScript.

Required & Invalid directives for any required form control (except for group of checkboxes and radio buttons), plus a simple component that provides a red asterisk (by default) to complement any <label> tag.

A simple and composable way to validate data in JavaScript (and TypeScript).

Composable and checkable JavaScript(and TypeScript) data structure

An icon for indicating a validity status.

A possibility of UI having an invalid state.

A simple and composable way to validate data in JavaScript (and TypeScript).

A simple and composable way to validate data in JavaScript (and TypeScript).