Install

Clone

Clone this repository and change current directory to the extracted directory.

Prepare MDN browser compat data

Please run following commands that makes ./extension/compat-data.js which includes MDN browser compat data.

npm i
npm run-script build-data

Install as a temporary WebExtension

1. Open about:debugging page
2. Click Load temporary add-on button
3. Select ./extension/manifest.json

Setup to enable launching other browsers

In this extension, launches other browsers using Native messaging. To run the Native messaging, needs to locate native message manifesto to proper directory, and needs to specify proper execution file path in the manifesto.

Locate native message manifesto to directory

The manifesto is extension-native/compat_icon_launcher.json. Please copy the file to proper directory (e.g. ~/Library/Application Support/Mozilla/NativeMessagingHosts/compat_icon_launcher.json for MAC). Regarding to the directory, please refer this document. https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/Native_manifests#Manifest_location

Specify the execution file path

Please specify the absolute file path which points extension-native/launcher.py in path field of the manifesto file. e.g.

{
  "name": "compat_icon_launcher",
  "path": "/Users/xxxxx/compat-icon/extension-native/launcher.py",
  "type": "stdio",
  "allowed_extensions": [ "compat-icon@firefox-dev.tools" ]
}