web-ext

TLDR

Run the web extension in the current directory in Firefox

$ web-ext run

Run a web extension from a specific directory in Firefox

$ web-ext run --source-dir [path/to/directory]

Display verbose execution output

$ web-ext run --verbose

Run a web extension in Firefox Android

$ web-ext run --target firefox-android

Lint the manifest and source files for errors

$ web-ext lint

Build and package the extension

$ web-ext build

Display verbose build output

$ web-ext build --verbose

Sign a package for self-hosting

$ web-ext sign --api-key [api_key] --api-secret [api_secret]