fixup! feat(@angular/cli): automatic formatting files modified by schematics

Author: alan-agius4

packages/angular/cli/src/command-builder/utilities/prettier.ts

@@ -58,8 +58,16 @@ export async function formatFiles(cwd: string, files: Set<string>): Promise<void
     return;
   }
 
-  await execFileAsync(prettierCliPath, [
-    '--write',
-    ...[...files].filter((f) => fileTypes.has(extname(f))).map((f) => relative(cwd, f)),
-  ]);
+  const filesToFormat: string[] = [];
+  for (const file of files) {
+    if (fileTypes.has(extname(file))) {
+      filesToFormat.push(relative(cwd, file));
+    }
+  }
+
+  if (!filesToFormat.length) {
+    return;
+  }
+
+  await execFileAsync(prettierCliPath, ['--write', ...filesToFormat], { cwd });
 }

tests/e2e/tests/commands/add/add-tailwindcss.ts

@@ -13,7 +13,7 @@ export default async function () {
   try {
     await ng('add', 'tailwindcss', '--skip-confirmation');
     await expectFileToExist('.postcssrc.json');
-    await expectFileToMatch('src/styles.css', /@import "tailwindcss";/);
+    await expectFileToMatch('src/styles.css', /@import 'tailwindcss';/);
     await expectFileToMatch('package.json', /"tailwindcss":/);
     await expectFileToMatch('package.json', /"@tailwindcss\/postcss":/);
     await expectFileToMatch('package.json', /"postcss":/);