Revert "Cache the value of extensions.all (microsoft#20222)"

This reverts commit db5e96c.

Author: Kartik Raj

src/client/common/application/extensions.ts

@@ -17,9 +17,6 @@ import { EXTENSION_ROOT_DIR } from '../constants';
  */
 @injectable()
 export class Extensions implements IExtensions {
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    private _cachedExtensions?: readonly Extension<any>[];
-
     constructor(@inject(IFileSystem) private readonly fs: IFileSystem) {}
 
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -35,16 +32,6 @@ export class Extensions implements IExtensions {
         return extensions.getExtension(extensionId);
     }
 
-    private get cachedExtensions() {
-        if (!this._cachedExtensions) {
-            this._cachedExtensions = this._cachedExtensions || extensions.all;
-            extensions.onDidChange(() => {
-                this._cachedExtensions = this._cachedExtensions || extensions.all;
-            });
-        }
-        return this._cachedExtensions;
-    }
-
     /**
      * Code borrowed from:
      * https://github.com/microsoft/vscode-jupyter/blob/67fe33d072f11d6443cf232a06bed0ac5e24682c/src/platform/common/application/extensions.node.ts
@@ -64,8 +51,7 @@ export class Extensions implements IExtensions {
                 })
                 .filter((item) => item && !item.toLowerCase().startsWith(pythonExtRoot))
                 .filter((item) =>
-                    // Use cached list of extensions as we need this to be fast.
-                    this.cachedExtensions.some(
+                    this.all.some(
                         (ext) => item!.includes(ext.extensionUri.path) || item!.includes(ext.extensionUri.fsPath),
                     ),
                 ) as string[];

src/client/proposedApi.ts

@@ -125,20 +125,16 @@ export function buildProposedApi(
     const extensions = serviceContainer.get<IExtensions>(IExtensions);
     const envVarsProvider = serviceContainer.get<IEnvironmentVariablesProvider>(IEnvironmentVariablesProvider);
     function sendApiTelemetry(apiName: string, args?: unknown) {
-        setTimeout(() =>
-            extensions
-                .determineExtensionFromCallStack()
-                .then((info) => {
-                    sendTelemetryEvent(EventName.PYTHON_ENVIRONMENTS_API, undefined, {
-                        apiName,
-                        extensionId: info.extensionId,
-                    });
-                    traceVerbose(
-                        `Extension ${info.extensionId} accessed ${apiName} with args: ${JSON.stringify(args)}`,
-                    );
-                })
-                .ignoreErrors(),
-        );
+        extensions
+            .determineExtensionFromCallStack()
+            .then((info) => {
+                sendTelemetryEvent(EventName.PYTHON_ENVIRONMENTS_API, undefined, {
+                    apiName,
+                    extensionId: info.extensionId,
+                });
+                traceVerbose(`Extension ${info.extensionId} accessed ${apiName} with args: ${JSON.stringify(args)}`);
+            })
+            .ignoreErrors();
     }
     disposables.push(
         discoveryApi.onChanged((e) => {

src/test/proposedApi.unit.test.ts

@@ -99,6 +99,8 @@ suite('Proposed Extension API', () => {
     });
 
     teardown(() => {
+        // Verify each API method sends telemetry regarding who called the API.
+        extensions.verifyAll();
         sinon.restore();
     });