Fix new ESLint warnings

Author: andyleejordan

eslint.config.mjs

@@ -1,8 +1,9 @@
 import eslint from "@eslint/js";
 import eslintConfigPrettier from "eslint-config-prettier/flat";
+import { defineConfig } from "eslint/config";
 import tseslint from "typescript-eslint";
 
-export default tseslint.config(
+export default defineConfig(
     eslint.configs.recommended,
     tseslint.configs.strictTypeChecked,
     tseslint.configs.stylisticTypeChecked,

src/features/OpenInISE.ts

@@ -21,12 +21,13 @@ export class OpenInISEFeature implements vscode.Disposable {
                 let ISEPath = process.env.windir ?? "C:\\Windows";
 
                 if (process.env.PROCESSOR_ARCHITEW6432 !== undefined) {
-                    ISEPath += "\\Sysnative";
+                    (ISEPath as string) += "\\Sysnative";
                 } else {
-                    ISEPath += "\\System32";
+                    (ISEPath as string) += "\\System32";
                 }
 
-                ISEPath += "\\WindowsPowerShell\\v1.0\\powershell_ise.exe";
+                (ISEPath as string) +=
+                    "\\WindowsPowerShell\\v1.0\\powershell_ise.exe";
 
                 ChildProcess.exec(`${ISEPath} -File "${uri.fsPath}"`).unref();
             },

test/core/platform.test.ts

@@ -38,7 +38,7 @@ let successAdditionalTestCases: ITestPlatformSuccessCase[];
 
 if (process.platform === "win32") {
     const msixAppDir = path.join(
-        process.env.LOCALAPPDATA!,
+        process.env.LOCALAPPDATA as string,
         "Microsoft",
         "WindowsApps",
     );