Fix interval timer not firing. (#13469)

Author: sean-mcmanus

Extension/src/LanguageServer/client.ts

@@ -59,7 +59,7 @@ import * as configs from './configurations';
 import { CopilotCompletionContextFeatures, CopilotCompletionContextProvider } from './copilotCompletionContextProvider';
 import { DataBinding } from './dataBinding';
 import { cachedEditorConfigSettings, getEditorConfigSettings } from './editorConfig';
-import { CppSourceStr, clients, configPrefix, updateLanguageConfigurations, usesCrashHandler, watchForCrashes } from './extension';
+import { CppSourceStr, clients, configPrefix, initializeIntervalTimer, updateLanguageConfigurations, usesCrashHandler, watchForCrashes } from './extension';
 import { LocalizeStringParams, getLocaleId, getLocalizedString } from './localization';
 import { PersistentFolderState, PersistentState, PersistentWorkspaceState } from './persistentState';
 import { RequestCancelled, ServerCancelled, createProtocolFilter } from './protocolFilter';
@@ -1365,6 +1365,8 @@ export class DefaultClient implements Client {
                 // Listen for messages from the language server.
                 this.registerNotifications();
 
+                initializeIntervalTimer();
+
                 // If a file is already open when we activate, sometimes we don't get any notifications about visible
                 // or active text editors, visible ranges, or text selection. As a workaround, we trigger
                 // onDidChangeVisibleTextEditors here.

Extension/src/LanguageServer/extension.ts

@@ -191,8 +191,6 @@ export async function activate(): Promise<void> {
 
     vcpkgDbPromise = initVcpkgDatabase();
 
-    void clients.ActiveClient.ready.then(() => intervalTimer = global.setInterval(onInterval, 2500));
-
     await registerCommands(true);
 
     vscode.tasks.onDidStartTask(() => getActiveClient().PauseCodeAnalysis());
@@ -366,6 +364,10 @@ function onInterval(): void {
     clients.ActiveClient.onInterval();
 }
 
+export function initializeIntervalTimer(): void {
+    intervalTimer = global.setInterval(onInterval, 2500);
+}
+
 /**
  * registered commands
  */