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Color string parser
svg path parser
Express style path to RegExp utility
Give a regex, get a robust predicate function that tests it against a string.
Custom jest matchers to test the state of the DOM
Parameterised tests for Jest
Webpack plugin for swc
Dictionaries bundled with cspell
Determine if the JS environment has BigInt support.
An animation library for JavaScript and React.
string-argv parses a string into an argument array to mimic process.argv. This is useful when testing Command Line Utilities that you want to pass arguments to.
Simple and complete React Native testing utilities that encourage good testing practices.
Confidently unit and integration test your Next.js API routes/handlers in an isolated Next.js-like environment
Percy CLI commands for running a local snapshot server using [`@percy/core`](./packages/core).
ESLint rules for consistent filename and folder. Allows you to enforce a consistent naming pattern for the filename and folder
Node.js implementation of PostgreSQL's format() to safely create dynamic SQL queries.
Read and write binary data on ArrayBuffers
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript
Pure JS implementation of CRC32-C https://en.wikipedia.org/wiki/Cyclic_redundancy_check
Tag and run groups of tests with Jest
A fully typed TypeScript and Node.js implementation of PostgreSQL format() to safely create dynamic SQL queries. SQL identifiers and literals are escaped to help prevent SQL injection.
Additional Jest matchers