From 5f221939e3af74ad43306da80572338be93d9b7a Mon Sep 17 00:00:00 2001
From: Leon Mika <lmika@lmika.org>
Date: Sat, 9 May 2026 12:22:25 +0000
Subject: [PATCH] Add Cmd+L to rerun last command on current line(s)

Co-authored-by: Shelley <shelley@exe.dev>
---
 frontend/index.html                           |  2 +-
 frontend/src/cmplugins.js                     |  8 +++++++
 .../src/controllers/commands_controller.js    | 13 +++++++++++-
 frontend/src/services.js                      | 21 ++++++++++++++++---
 4 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/frontend/index.html b/frontend/index.html
index 43a2da8..708247a 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -20,7 +20,7 @@
     </div>
   </dialog>
   <dialog id="command-dialog" data-controller="commands"
-    data-action="dq-showcommands@window->commands#showCommands dq-rerunlastcommand@window->commands#rerunLastCommand">
+    data-action="dq-showcommands@window->commands#showCommands dq-rerunlastcommand@window->commands#rerunLastCommand dq-rerunlastcommand-line@window->commands#rerunLastCommandOnLine">
     <div class="dialog-body">
       <div class="command-input">
         <input data-commands-target="commandInput" type="text" placeholder="Enter command"
diff --git a/frontend/src/cmplugins.js b/frontend/src/cmplugins.js
index b3b160e..bbd4785 100644
--- a/frontend/src/cmplugins.js
+++ b/frontend/src/cmplugins.js
@@ -46,6 +46,14 @@ export const commandPalette = keymap.of([{
         return true;
     }
 }, {
+    key: "Cmd-l",
+    run: () => {
+        let event = new CustomEvent('dq-rerunlastcommand-line');
+        window.dispatchEvent(event);
+
+        return true;
+    }
+}, {
     key: "Cmd-k",
     run: (view) => {
         const {state} = view;
diff --git a/frontend/src/controllers/commands_controller.js b/frontend/src/controllers/commands_controller.js
index 6bdc0b6..ec69f24 100644
--- a/frontend/src/controllers/commands_controller.js
+++ b/frontend/src/controllers/commands_controller.js
@@ -10,6 +10,10 @@ export class CommandsController extends Controller {
         "commandSelect",
     ];
 
+    initialize() {
+        this._lineModeOnce = false;
+    }
+
     async connect() {
         this._lastCommand = null;
 
@@ -62,7 +66,14 @@ export class CommandsController extends Controller {
         }
 
         this._promptController()?.useLastValueForNextPrompt();
-        textProcessor.runTextCommand(this._lastCommand);
+        const lineMode = this._lineModeOnce;
+        this._lineModeOnce = false;
+        textProcessor.runTextCommand(this._lastCommand, { lineMode });
+    }
+
+    rerunLastCommandOnLine(ev) {
+        this._lineModeOnce = true;
+        this.rerunLastCommand(ev);
     }
 
     _promptController() {
diff --git a/frontend/src/services.js b/frontend/src/services.js
index 88da2e0..2d65b6d 100644
--- a/frontend/src/services.js
+++ b/frontend/src/services.js
@@ -46,16 +46,31 @@ class TextProcessor {
         });
     }
 
-    async runTextCommand(command) {
+    async runTextCommand(command, opts) {
         if (this._editor === undefined) {
             return;
         }
 
+        const lineMode = opts && opts.lineMode;
         let ranges = this._editor.state.selection.ranges;
-        let shouldBeAll = ranges.reduce((a, r) => a && r.from === r.to, true);
+        let hasSelection = ranges.some(r => r.from !== r.to);
 
         let inputs = [];
-        if (shouldBeAll) {
+        if (lineMode && !hasSelection) {
+            this._appendInsertPos = undefined;
+            const doc = this._editor.state.doc;
+            const seen = new Set();
+            for (let r of ranges) {
+                const line = doc.lineAt(r.head);
+                if (seen.has(line.number)) continue;
+                seen.add(line.number);
+                inputs.push({
+                    text: line.text,
+                    pos: line.from,
+                    len: line.to - line.from,
+                });
+            }
+        } else if (!hasSelection) {
             this._appendInsertPos = this._editor.state.selection.main.head;
             inputs.push({
                 text: this._editor.state.doc.toString(),