Implements #461

Include commands tabcloseAllToRight and tabcloseAllToLeft closing
all tabs to the left/right of the active one. No default binding
included.

src/excmds.ts

@@ -1269,6 +1269,36 @@ export async function tabclose(...indexes: string[]) {
     }
 }
 
+/** Close all tabs to the right of the current one
+ *
+ */
+//#background
+export async function tabcloseAllToRight() {
+    const tabs = await browser.tabs.query({
+        pinned: false,
+        currentWindow: true,
+    })
+
+    const atab = await activeTab()
+    let ids = tabs.filter(tab => tab.index > atab.index).map(tab => tab.id)
+    browser.tabs.remove(ids)
+}
+
+/** Close all tabs to the left of the current one
+ *
+ */
+//#background
+export async function tabcloseAllToLeft() {
+    const tabs = await browser.tabs.query({
+        pinned: false,
+        currentWindow: true,
+    })
+
+    const atab = await activeTab()
+    let ids = tabs.filter(tab => tab.index < atab.index).map(tab => tab.id)
+    browser.tabs.remove(ids)
+}
+
 /** restore most recently closed tab in this window unless the most recently closed item was a window */
 //#background
 export async function undo() {