pages/search: prevent history pollution

background.js

@@ -2,3 +2,16 @@ browser.action.onClicked.addListener((() =>
   browser.tabs.create({
     url: '/pages/search/search.html'
   })))
+
+browser.runtime.onMessage.addListener((message, sender) => {
+  switch (message.action) {
+    case 'closeSender':
+      Promise.resolve()
+        .then(() => browser.tabs.remove(sender.tab.id))
+        .then(() => browser.sessions.getRecentlyClosed({maxResults: 1}))
+        .then(([sessionInfo]) => browser.sessions.forgetClosedTab(
+          sessionInfo.tab.windowId,
+          sessionInfo.tab.sessionId))
+      break
+  }
+})

manifest.json

@@ -23,7 +23,8 @@
   "manifest_version": 3,
   "name": "Tabswitcher",
   "permissions": [
-    "tabs"
+    "tabs",
+    "sessions"
   ],
   "version": "1.0.0"
 }

pages/search/search.js

@@ -6,7 +6,10 @@ const store = Store.init({
   tabs: browser.tabs,
   windows: browser.windows,
   onStateUpdate: dom.updateSearchResults,
-  closeCurrentTab: () => window.close(),
+  closeCurrentTab: () => {
+    history.replaceState({}, '', '')
+    browser.runtime.sendMessage({action: 'closeSender'})
+  },
 })
 
 void inputHandlers.attachInputHandlers(store)