Mock Service Worker

All

23 repositories

msw
Public
Industry standard API mocking for JavaScript.
mock api service-worker devtools mocking mocking-framework mocking-library api-mocking msw mock-service-worker
TypeScript
•
MIT License
•578•18k•44•11•Updated Jan 28, 2026Jan 28, 2026
data
Public
Data querying library for testing JavaScript applications.
testing api fixtures orm mocking data-modeling testing-tool
TypeScript
•
MIT License
•62•970•5•4•Updated Jan 24, 2026Jan 24, 2026
mswjs.io
Public
Official website and documentation for the Mock Service Worker library.
mock api service-worker match routing mocking request msw
TypeScript
•218•174•11•8•Updated Jan 24, 2026Jan 24, 2026
playwright
Public
Mock Service Worker binding for Playwright.
mock api test network request response e2e msw playwright
TypeScript
•
MIT License
•10•248•4•2•Updated Jan 10, 2026Jan 10, 2026
interceptors
Public
Low-level network interception library.
nodejs fetch mock xhr http node https request intercept interceptor
TypeScript
•
MIT License
•152•626•26•17•Updated Dec 19, 2025Dec 19, 2025
source
Public
Generate MSW request handlers from various sources (HAR files, OpenAPI documents, etc).
api generate swagger har openapi mocking handlers request msw mock-service-worker
TypeScript
•
MIT License
•11•200•12•2•Updated Nov 29, 2025Nov 29, 2025
jest-fixed-jsdom
Public
A superset of the JSDOM environment for Jest that respects Node.js globals.
testing environment node jest jsdom msw mswjs
JavaScript
•9•94•12•0•Updated Nov 14, 2025Nov 14, 2025
msw-storybook-addon
Public
Mock API requests in Storybook with Mock Service Worker.
mock api worker addon storybook story msw
TypeScript
•
MIT License
•44•472•18•2•Updated Oct 10, 2025Oct 10, 2025
codemods
Public
Automate repetitive and painful MSW migrations & breaking changes.
TypeScript
•
MIT License
•0•5•0•0•Updated Oct 2, 2025Oct 2, 2025
.github
Public
Mock Service Worker organization GitHub files.
0•0•0•0•Updated Sep 29, 2025Sep 29, 2025
examples
Public
Examples of Mock Service Worker usage with various frameworks and libraries.
api graphql rest examples example handler mocking usage request response
212•719•11•10•Updated Sep 16, 2025Sep 16, 2025
http-middleware
Public
Spawn an HTTP server from your request handlers or apply them to an existing server using a middleware.
http middleware express server handler request msw
TypeScript
•12•123•4•1•Updated Aug 23, 2025Aug 23, 2025
socket.io-binding
Public
Binding to mock Socket.IO connections with Mock Service Worker.
mock socket websocket socket-io intercept msw
TypeScript
•4•15•4•1•Updated Jun 13, 2025Jun 13, 2025
headers-polyfill
Public
A Fetch API "Headers" polyfill and transformation library.
polyfill fetch http xmlhttprequest https header request headers
TypeScript
•
MIT License
•11•33•0•3•Updated Aug 31, 2024Aug 31, 2024
cookies
Public
Manage request/response cookies in the environments where those are not supported.
api cookies mocking mswjs
TypeScript
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MIT License
•8•19•1•1•Updated Jun 21, 2024Jun 21, 2024
is-node-process
Public
Reliably determines if the code is running in Node.js. Treats Jest, React Native, Electron, and others like Node.js.
nodejs process check
TypeScript
•4•12•2•0•Updated Mar 23, 2023Mar 23, 2023
with-node-fetch
Public
Example of using Mock Service Worker with "node-fetch".
JavaScript
•0•0•0•0•Updated Jan 20, 2023Jan 20, 2023
local-storage-polyfill
Public
The "localStorage" polyfill for Node.js.
polyfill node local storage localstorage
TypeScript
•2•2•0•0•Updated Sep 29, 2022Sep 29, 2022
gh-issue-forms
Public
A test repository that is going to disappear.
Shell
•0•4•1•0•Updated Jul 7, 2022Jul 7, 2022
node-match-path
Public archive
Matches a URL against a path. Parameters, wildcards, RegExp.
url match routing path request route wildcard martcher
TypeScript
•5•30•0•1•Updated Jun 26, 2022Jun 26, 2022
github-webhooks
Public
TypeScript
•0•1•0•0•Updated Mar 12, 2022Mar 12, 2022
storage
Public
Persistence and live synchronization layer for testing JavaScript applications.
TypeScript
•4•19•0•0•Updated Aug 9, 2021Aug 9, 2021
msw-github-bot
Public
Mock Service Worker community bot. Beep. Bop.
TypeScript
•
ISC License
•1•3•0•0•Updated Oct 12, 2020Oct 12, 2020