Showing 1-20 of 513,699 packages
Check the image file of a Buffer/Uint8Array that matched expected image MIME-type.
Validates if a value is a string primitive.
Create and parse HTTP Content-Type header
A ridiculously light-weight argument validator (now browser friendly)
Check if a string is SVG
Validates if a value is an integer.
Validates if a value is an array.
Validates if a value is a function.
Validates if a value is a number.
Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.
The modular and type safe schema library for validating structural data
Loosely validate an event.
Give me a string and I'll tell you if it's a valid npm package license string
Offline HTML5 validator and linter
Validates if a value is an integer array.
Detect the file type of a file, stream, or data
Check if a buffer contains valid UTF-8
validate form asynchronous
A simple and composable way to validate data in JavaScript (and TypeScript).
React easy to use image component