feat(commands): add clear_registers command

book/src/keymap.md

@@ -289,6 +289,7 @@ This layer is a kludge of mappings, mostly pickers.
 | `Y`     | Yank main selection to clipboard                                        | `yank_main_selection_to_clipboard`  |
 | `R`     | Replace selections by clipboard contents                                | `replace_selections_with_clipboard` |
 | `/`     | Global search in workspace folder                                       | `global_search`                     |
+| `|`     | Clear all registers                                                     | `clear_registers`                   |
 | `?`     | Open command palette                                                    | `command_palette`                   |
 
 > TIP: Global search displays results in a fuzzy picker, use `Space + '` to bring it back up after opening a file.

helix-core/src/register.rs

@@ -78,4 +78,8 @@ impl Registers {
     pub fn inner(&self) -> &HashMap<char, Register> {
         &self.inner
     }
+
+    pub fn clear(&mut self) {
+        self.inner.clear();
+    }
 }

helix-term/src/commands.rs

@@ -392,6 +392,7 @@ impl MappableCommand {
         wonly, "Close windows except current",
         select_register, "Select register",
         insert_register, "Insert register",
+        clear_registers, "Clear registers",
         align_view_middle, "Align view middle",
         align_view_top, "Align view top",
         align_view_center, "Align view center",
@@ -4457,6 +4458,12 @@ fn insert_register(cx: &mut Context) {
     })
 }
 
+fn clear_registers(cx: &mut Context) {
+    cx.editor.autoinfo = None;
+    cx.editor.registers.clear();
+    cx.editor.set_status("All registers cleared.")
+}
+
 fn align_view_top(cx: &mut Context) {
     let (view, doc) = current!(cx.editor);
     align_view(doc, view, Align::Top);

helix-term/src/keymap/default.rs

@@ -269,6 +269,7 @@ pub fn default() -> HashMap<Mode, Keymap> {
             "k" => hover,
             "r" => rename_symbol,
             "h" => select_references_to_symbol_under_cursor,
+            "|" => clear_registers,
             "?" => command_palette,
         },
         "z" => { "View"