Runs web-ext lint in order to lint a web extension and generate a report containing a list of warnings and errors that must be solved.
source_dir: folder where the uncompressed extension files are located (if you use a tool –such as Webpack– to build your extension, this folder should have the compiled files which you would ZIP and upload to the extensions store. If this is a relative path, it is computed as if you were in the directory {{ zuul.project.src_dir }}. (default: src)extra_lint_flags: flags that will be passed to the web-ext lint command, if specified.