[T] RuleSetFileRef
type RuleSetFileRef = `file:${string}`;Reference to a ruleset defined in a yaml file. In this format file:<path to the yaml file>.
A relative path is resolved relative to the file declaring it (tspconfig.yaml or another ruleset file).
On the CLI, relative paths resolve from the current working directory.
Valid in config files, ruleset files, and --linter-ruleset, not in a ruleset defined by a library.