Add closing all left tabs (normal mode - tXh)

core/src/state/notebook.rs

@@ -330,7 +330,11 @@ impl NotebookState {
                 ]
             }
             EditingNormalMode(VimNormalState::ToggleTabClose) => {
-                vec!["[l] Close right tabs".to_owned(), "[Esc] Cancel".to_owned()]
+                vec![
+                    "[h] Close left tabs".to_owned(),
+                    "[l] Close right tabs".to_owned(),
+                    "[Esc] Cancel".to_owned(),
+                ]
             }
             EditingNormalMode(VimNormalState::Numbering(n)) => {
                 // h j k l [0-9] s S x y d w e b G

core/src/state/notebook/inner_state/editing_normal_mode.rs

@@ -216,16 +216,26 @@ async fn consume_toggle_tab_close(
 
     match event {
         Key(KeyEvent::L) => {
-            let i = state
-                .tab_index
-                .ok_or(Error::Wip("todo: tab index must exist".to_owned()))?
-                + 1;
+            let i = state.tab_index.ok_or(Error::Wip(
+                "[ToggleTabClose::L] tab index must exist".to_owned(),
+            ))? + 1;
 
             state.tabs.splice(i.., []);
             state.inner_state = InnerState::EditingNormalMode(VimNormalState::Idle);
 
             CloseRightTabs(i).into()
         }
+        Key(KeyEvent::H) => {
+            let i = state.tab_index.ok_or(Error::Wip(
+                "[ToggleTabClose::H] tab index must exist".to_owned(),
+            ))?;
+
+            state.tab_index = Some(0);
+            state.tabs.splice(..i, []);
+            state.inner_state = InnerState::EditingNormalMode(VimNormalState::Idle);
+
+            CloseLeftTabs(i).into()
+        }
         event @ Key(_) => {
             state.inner_state = InnerState::EditingNormalMode(VimNormalState::Idle);
 

core/src/transition.rs

@@ -129,6 +129,7 @@ pub enum NormalModeTransition {
 
     // toggle tab close mode
     CloseRightTabs(usize),
+    CloseLeftTabs(usize),
 
     MoveCursorDown(usize),
     MoveCursorUp(usize),

tui/src/transitions.rs

@@ -327,6 +327,9 @@ impl App {
             CloseRightTabs(index) => {
                 self.context.notebook.tabs.splice(index.., []);
             }
+            CloseLeftTabs(index) => {
+                self.context.notebook.tabs.splice(..index, []);
+            }
             ToggleLineNumbers => {
                 self.context.notebook.show_line_number = !self.context.notebook.show_line_number;
             }