Samples of Chrome Extension Manifest V3's declarativeNetRequest.
https://developer.chrome.com/docs/extensions/reference/declarativeNetRequest/
The way of modifying http requests and responses has changed in Manifest V3.
https://developer.chrome.com/docs/extensions/mv3/intro/mv3-overview/#network-request-modification
I tried the new declarativeNetRequest APIs and I felt they are a bit difficult. I wanted a simple usage example.
That's why I made these samples.
Public domain.