Generate hashes from javascript objects in node and the browser.

Build servers for Node.js using the web fetch API

A module for sending responses from lambda-funciton backed custom resources in AWS CloudFormation

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Preset for data validation in Univer Sheets.

A form input builder and validator for React

Swagger 2.0 and OpenAPI 3.x parser and validator for Node and browsers

Express middleware to validate request (headers, params, query, body) using Joi

An object shape validation utility.

Parse and compile gettext po and mo files to/from json, nothing more, nothing less

Function argument validation for humans

ES2015 `Object.assign()` ponyfill

JSON/CJSON/JSON5 parser, syntax and schema validator and pretty-printer.

The official JSON schema converter for Valibot

Converts OpenAPI Schema Object to JSON Schema

Returns true if an object was created by the `Object` constructor, or Object.create(null).

test infrastructure for a fake XMLHttpRequest object

Execute a listener when a response is about to write headers

Validate any Bitcoin address - P2WSH, P2WPKH, P2SH, P2PKH - Mainnet & Testnet

Create HAR files from Chrome Debugging Protocol data.