feat: check network recovery every 10s while offline

Author: euxx

src/extension.js

@@ -22,6 +22,8 @@ let deactivated = false;
 let isOffline = false;
 /** @type {Date | null} */
 let offlineSince = null;
+/** @type {NodeJS.Timeout | undefined} */
+let recoveryTimer;
 
 /**
  * @param {vscode.ExtensionContext} context
@@ -58,6 +60,7 @@ function deactivate() {
   offlineSince = null;
   statusBarItem?.hide();
   clearTimer();
+  clearRecoveryTimer();
 }
 
 // ---------------------------------------------------------------------------
@@ -104,6 +107,7 @@ async function refresh(promptSignIn = false, isManual = false) {
     lastUpdatedAt = new Date();
     isOffline = false;
     offlineSince = null;
+    clearRecoveryTimer();
     updateStatusBar(data);
   } catch (err) {
     const code = err?.code;
@@ -112,6 +116,7 @@ async function refresh(promptSignIn = false, isManual = false) {
     if (code !== 'NETWORK_ERROR' && code !== 'TIMEOUT') {
       isOffline = false;
       offlineSince = null;
+      clearRecoveryTimer();
     }
 
     if (code === 'AUTH') {
@@ -135,6 +140,7 @@ async function refresh(promptSignIn = false, isManual = false) {
       if (!isOffline) {
         isOffline = true;
         offlineSince = new Date();
+        startRecoveryTimer();
       }
       if (lastData) {
         updateStatusBar(lastData);
@@ -314,6 +320,26 @@ function clearTimer() {
   }
 }
 
+const RECOVERY_INTERVAL_MS = 10 * 1000; // 10 s
+
+function startRecoveryTimer() {
+  if (recoveryTimer) return; // already running
+  recoveryTimer = setInterval(() => {
+    if (!isOffline) {
+      clearRecoveryTimer();
+      return;
+    }
+    refresh();
+  }, RECOVERY_INTERVAL_MS);
+}
+
+function clearRecoveryTimer() {
+  if (recoveryTimer) {
+    clearInterval(recoveryTimer);
+    recoveryTimer = undefined;
+  }
+}
+
 // ---------------------------------------------------------------------------
 // Config helper
 // ---------------------------------------------------------------------------
@@ -358,5 +384,5 @@ module.exports = {
     if ('lastData' in s) lastData = s.lastData;
     if ('lastUpdatedAt' in s) lastUpdatedAt = s.lastUpdatedAt;
   },
-  _getState: () => ({ isOffline, offlineSince }),
+  _getState: () => ({ isOffline, offlineSince, recoveryTimerActive: !!recoveryTimer }),
 };