Intercept Packages

Hook and modify stdout and stderr

Low-level HTTP/HTTPS/XHR request interception library for NodeJS

event interceptors - like middleware for EventEmitter

Patch console methods to intercept output

Simple and easy stdio capture for Node.js

Interceptor library for the native fetch command inspired by angular http intercepts.

Intercept and mock outgoing network TCP connections and HTTP requests for testing. Intercepts and gives you a Net.Socket, Http.IncomingMessage and Http.ServerResponse to test and respond with. Useful when testing code that hits remote servers.

Several helper MobX decorators (setter, observe, save, ...)

Add functions that will be called during end() e.g. for handling error conditions without having the same code all over the place.

Easily intercept and modify XHR request and response

Intercept fetch requests

Full-featured, middleware-oriented, hackable HTTP and WebSocket proxy

Makes intercepting and modifying traffic from Puppeteer easier

intercept local link clicks on a page

Intercept calls to require()

Intercept function calls to run code before or after, or change arguments.

A node.js library that allows you to hook 'require', gather data about calls to 'require' and intercept/modify the results

Intercepts errors, the Go way!

Fetch interceptor for managing refresh token flow.

A simple DNS proxy that lets you intercept domains and route them to whatever IP you decide