feat(oxlint): add --experimental-nested-config option

apps/oxlint/src/command/lint.rs

@@ -41,6 +41,10 @@ pub struct LintCommand {
     #[bpaf(external)]
     pub misc_options: MiscOptions,
 
+    /// Enables automatic loading of nested configuration files (experimental feature)
+    #[bpaf(switch, hide_usage)]
+    pub experimental_nested_config: bool,
+
     /// Single file, single path or list of paths
     #[bpaf(positional("PATH"), many, guard(validate_paths, PATHS_ERROR_MESSAGE))]
     pub paths: Vec<PathBuf>,
@@ -513,4 +517,12 @@ mod lint_options {
         let options = get_lint_options("--rules");
         assert!(options.list_rules);
     }
+
+    #[test]
+    fn experimental_nested_config() {
+        let options = get_lint_options("--experimental-nested-config");
+        assert!(options.experimental_nested_config);
+        let options = get_lint_options(".");
+        assert!(!options.experimental_nested_config);
+    }
 }

tasks/website/src/linter/snapshots/cli.snap

@@ -133,6 +133,8 @@ Arguments:
 ## Available options:
 - **`    --rules`** — 
   list all the rules that are currently registered
+- **`    --experimental-nested-config`** — 
+  Enables automatic loading of nested configuration files (experimental feature)
 - **`-h`**, **`--help`** — 
   Prints help information
 - **`-V`**, **`--version`** — 

tasks/website/src/linter/snapshots/cli_terminal.snap

@@ -81,5 +81,7 @@ Available positional items:
 
 Available options:
         --rules               list all the rules that are currently registered
+        --experimental-nested-config  Enables automatic loading of nested configuration files
+                              (experimental feature)
     -h, --help                Prints help information
     -V, --version             Prints version information