chore: consolidate prettierignore and prettierrc files: autogen (#8082)

* build: move prettier config files to root from autogen packages

* chore: remove blank files

* chore: more empty files

* chore: root prettier config

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* chore: use more common gts 6 for shared version

* chore: prettierignore should cover all sub-packages

* chore: fix linting problems mostly caused by owlbot

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: feywind

.prettierignore

@@ -1,6 +1,6 @@
 **/node_modules
 **/coverage
-test/fixtures
-build/
-docs/
-protos/
+**/test/fixtures
+**/build/
+**/docs/
+**/protos/

…gle-cloud-capacityplanner/.prettierrc.js .prettierrc.cjspackages/google-cloud-capacityplanner/.prettierrc.js renamed to .prettierrc.cjs packages/google-cloud-capacityplanner/.prettierrc.js renamed to .prettierrc.cjs

@@ -1,4 +1,4 @@
-// Copyright 2025 Google LLC
+// Copyright 2026 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

package.json

@@ -39,8 +39,10 @@
     "gaxios": "^7.0.0-rc",
     "parse-link-header": "^2.0.0"
   },
-  "devDependencies": {},
+  "devDependencies": {
+    "gts": "^6.0.2"
+  },
   "engines": {
     "node": ">=18"
   }
-}
+}

packages/gapic-node-processing/.prettierignore

@@ -84,7 +84,7 @@ describe('combine libraries', () => {
   it('should generate unique final directory paths', async () => {
     const libraryPaths = await generateFinalDirectoryPath(libraryConfigCJS);
     // This should be the amount of unique file paths in the tree directory
-    assert.deepStrictEqual(libraryPaths.length, 103);
+    assert.deepStrictEqual(libraryPaths.length, 102);
 
     // Confirm there are only unique items in the array
     assert.deepStrictEqual(