An awesome list of Jest packages and resources

• Packages
  • Matchers
  • IDE
  • Linting
  • Runners
  • Reporters
  • Results Processors
  • Environments
  • Snapshot
  • Migration
  • Library extensions
  • Mocks
  • Watch Plugins
  • Processor
• Resources

• jest-extended Adds additional matchers to core API making it easy to test everything.
• expect-more A huge library of test matchers for a range of common use-cases.
• jest-axe Custom Jest matcher for aXe for testing accessibility.
• jest-enzyme An assertion library for enzyme.
• jest-json-schema JSON schema matcher.
• expect-puppeteer Collection of matchers for Jest & Puppeteer.
• jest-dom Custom Jest matchers to test the dom structure.
• jest-generator Jest matcher for testing generator function.

• vscode-jest Works out of the box Jest based testing in VS Code.
• wallaby The pinnacle of the idea of a test runner integrated into an editor.
• coc-jest Jest plugin for coc.nvim

• eslint-plugin-jest ESLint plugin for Jest.

• jest-runner-eslint ESLint runner for Jest.
• jest-runner-mocha Mocha runner for Jest.
• jest-runner-prettier Prettier runner for Jest.
• jest-electron-runner Electron runner for Jest.

• jest-silent-reporter A silent reporter for Jest.
• jest-skipped-reporter Report skipped tests in Jest.
• jest-html-reporter A Jest test results processor for generating a summary in HTML.

• majestic Zero config UI for Jest.
• jest-stare Configurable HTML results processor for filtering, side-by-side snapshot diffs, API, and simple CLI.

• jest-environment-webdriver custom environment for WebDriver integration.
• jest-environment-puppeteer Puppeteer environment for Jest.

• snapshot-diff Takes two values, and return their difference as a string, ready to be snapshotted with toMatchSnapshot(). Especially helpful when testing the difference between different React component states.
• jest-snapshots-svg Take a React component tree, and render it into an SVG.
• jest-image-snapshot Take a snapshot test of an image buffer, and catch when the image changes over a threshold. Commonly used for visual regression testing.
• enzyme-to-json Convert Enzyme wrappers to a format compatible with Jest snapshot testing.
• jest-styled-components A set of utilities for testing Styled Components with Jest.
• jest-img-snapshot Image snapshot comparision using pixelmatch with all Jest's snapshot goodies out of the box.
• jest-file-snapshot Write snapshots to a separate file instead of the default snapshot file used by Jest.
• Differencify Visual regression testing tool using Jest and Puppeteer to do Image snapshot comparision.

• jest-codemods Makes it easy to migrate from other test runner and frameworks to Jest.

• testdouble-jest Support for testdouble.js for users of Jest.
• jest-puppe-shots A Jest plugin for creating screenshots of React components with a little help of Puppeteer.
• jest-each Allows tests to be writen once with multiple rows of data supplied to run the test multiple times.
• babel-jest-assertions Babel plugin that automatically adds the number of assertions found in each test with expect.assertions(n) and expect.hasAssertions().
• jest-puppeteer A Jest preset that enables a ready-to-use environment to write integration tests using Puppeteer.
• typescript-snapshots-plugin Extends the TypeScript dev server to support hovering and jumping to a snapshot.
• jest-chain Chain Jest matchers together to create one powerful assertion.
• jest-expect-message Add custom message to Jest expects.

• jest-fetch-mock Easily mock out fetch and set up responses, powered by Jest mock functions.
• jest-canvas-mock Mock canvas when run unit test cases with jest.
• jest-localstorage-mock A module to mock window.localStorage and window.sessionStorage in Jest.
• jest-date-mock Mock window.Date when run unit test cases with jest. Make tests of Date easier.

• jest-watch-directories Select directories to test.
• jest-watch-lerna-packages Select Lerna packages to test.
• jest-watch-repeat Repeat test runs multiple times.
• jest-watch-select-projects Select which Jest projects to run.
• jest-watch-suspend Suspend watch mode so that your changes would not trigger test runs.
• jest-watch-toggle-config Toggle boolean settings (e.g. verbosity, test coverage).
• jest-watch-typeahead Filter your tests by file name or test name.
• jest-watch-yarn-workspaces Select Yarn workspaces to test.
• jest-watch-master Check changes since master.

• jest-nunjucks Processor that compiles nunjucks templates.
• ts-jest TypeScript preprocessor with sourcemap support.
• vue-jest Vue transformer with source map support.

• Jest cheat sheet.
• React Jest workshop.

Contributions welcome! Read the contribution guidelines.

MIT