chore: add prettier:true to template-oss config

Co-authored-by: Julian Møller Ellehauge <git@jumoel.com>

.eslintrc.js

@@ -17,5 +17,6 @@ module.exports = {
   extends: [
     '@npmcli',
     ...localConfigs,
+    'prettier',
   ],
 }

.prettierignore

@@ -0,0 +1,14 @@
+# This file is automatically added by @npmcli/template-oss. Do not edit.
+
+tap-testdir*/
+tap-snapshots/
+test/fixtures/**/*.json
+workspace/test-workspace/**
+/.commitlintrc.js
+/.eslintrc.js
+/.github/
+/.prettierrc.js
+/.release-please-manifest.json
+/package.json
+/release-please-config.json
+/tsconfig.json

.prettierrc.js

@@ -0,0 +1,8 @@
+/* This file is automatically added by @npmcli/template-oss. Do not edit. */
+
+const githubConfig = require('@github/prettier-config')
+
+module.exports = {
+  ...githubConfig,
+  bracketSpacing: true,
+}

package.json

@@ -10,15 +10,16 @@
     "template-oss-release-manager": "bin/release-manager.js"
   },
   "scripts": {
-    "lint": "npm run eslint",
-    "lintfix": "npm run eslint -- --fix",
+    "lint": "npm run eslint && npm run prettier -- --check",
+    "lintfix": "npm run eslint -- --fix && npm run prettier -- --write",
     "posttest": "npm run lint",
     "snap": "tap",
     "test": "tap",
     "template-oss-apply": "template-oss-apply --force",
     "postlint": "template-oss-check",
     "postinstall": "template-oss-apply",
     "eslint": "eslint \"**/*.{js,cjs,ts,mjs,jsx,tsx}\"",
+    "prettier": "prettier \"**/*.{js,cjs,ts,mjs,jsx,tsx,json}\"",
     "test-all": "npm run test -ws -iwr --if-present",
     "lint-all": "npm run lint -ws -iwr --if-present"
   },
@@ -66,9 +67,12 @@
     "lib/"
   ],
   "devDependencies": {
+    "@github/prettier-config": "0.0.6",
     "@npmcli/eslint-config": "^4.0.0",
     "@npmcli/template-oss": "file:./",
+    "eslint-config-prettier": "^9.1.0",
     "nock": "^13.3.8",
+    "prettier": "^3.2.5",
     "tap": "^16.0.0"
   },
   "tap": {
@@ -86,7 +90,8 @@
   },
   "templateOSS": {
     "//@npmcli/template-oss": "This file is partially managed by @npmcli/template-oss. Edits may be overwritten.",
-    "publish": true
+    "publish": true,
+    "prettier": true
   },
   "engines": {
     "node": "^18.17.0 || >=20.5.0"