One Hook to Intercept All AJAX Requests: A Guide to ajax-hooker

One Hook to Intercept All AJAX Requests: A Guide to ajax-hooker Need to modify API responses during debugging? Want to hijack network requests in a Tampermonkey script? Building a Chrome extension for request monitoring? ajax-hooker handles XMLHttpRequest and Fetch interception with a single API — and it supports streaming responses too. The Problem: Why Do We Need AJAX Interception? As a frontend developer, you've likely encountered these scenarios: API development : Backend isn't ready yet, but you need mock data to keep building the UI Production debugging : An API has a bug in production, and you want to temporarily modify responses to investigate Request monitoring : Add auth tokens or tracking logs to all outgoing requests Userscripts : Modify third-party website API behavior — ad removal, data transformation, etc. Chrome extensions : Build network debugging tools The challenge: XHR and Fetch are two completely different APIs . You either write two separate interception layers, o