idojaras

Old "Weather forecast" Add-on for FireFox

Build

install Node.js
install grunt-cli globally npm install -g grunt-cli
install node modules npm install
build js with grunt grunt build

Install

Open firefox
Open page: about:config and set xpinstall.signatures.required to false
Open page: about:addons
Click on the gear icon and select Install Add-on From File...
Browse and open the generated addon.xpi file from the build folder.