packages/cli: enable TS isolatedModules

packages/cli/config/tsconfig.json

@@ -9,7 +9,7 @@
     "forceConsistentCasingInFileNames": true,
     "importHelpers": false,
     "incremental": true,
-    "isolatedModules": false,
+    "isolatedModules": true,
     "jsx": "react",
     "lib": ["DOM", "DOM.Iterable", "ScriptHost", "ES2019"],
     "module": "ESNext",

packages/cli/src/commands/lint.ts

@@ -20,8 +20,7 @@ import { paths } from '../lib/paths';
 
 export default async (cmd: Command) => {
   const args = [
-    '--ext',
-    'js,jsx,ts,tsx',
+    '--ext=js,jsx,ts,tsx',
     '--max-warnings=0',
     '--format=codeframe',
     paths.targetDir,