feat(proj_mgr): add support for conditional directory removal

Add `[[hide-dir]]` rule to remove entire directories when their
condition evaluates to true, extending the existing file-level
hide functionality to directory trees.

1 files changed, 12 insertions, 0 deletions

diff --git a/mingling_cli/src/proj_mgr/cmd_proj_init.rs b/mingling_cli/src/proj_mgr/cmd_proj_init.rs
index 6e3908b..1ef8d1e 100644
--- a/mingling_cli/src/proj_mgr/cmd_proj_init.rs
+++ b/mingling_cli/src/proj_mgr/cmd_proj_init.rs
@@ -187,6 +187,18 @@ pub fn handle_state_project_generate(_: StateProjectGenerate, cwd: &ResCurrentDi
         hidden.push(target);
     }
 
+    // hide-dir: delete the generated directory tree when the rule is true
+    for hide in &rules.hide_dirs {
+        if !eval_rule(&hide.rule, &answers) {
+            continue;
+        }
+        let target = cwd.join(hide.dir.trim_start_matches("./"));
+        remove_path(&target).map_err(|e| {
+            ErrorTemplateExpandFailed::new(format!("failed to hide {}: {e}", target.display()))
+        })?;
+        hidden.push(target);
+    }
+
     // Clean up the cache
     fs::remove_dir_all(&tmpl_cache).map_err(|e| {
         ErrorTemplateExpandFailed::new(format!("failed to remove {}: {e}", tmpl_cache.display()))