Split out Prettier only lint:prettier npm script

Author: colinrotherham

.prettierignore

@@ -0,0 +1,12 @@
+# Node.js modules
+node_modules/
+
+# Test coverage
+coverage/
+
+# Build output
+dist/
+
+# Files to ignore
+.yarnrc.yml
+package-lock.json

.prettierrc

@@ -1,7 +1,7 @@
 {
+  "printWidth": 100,
   "semi": true,
-  "trailingComma": "all",
   "singleQuote": true,
-  "printWidth": 100,
-  "tabWidth": 2
+  "tabWidth": 2,
+  "trailingComma": "all"
 }

.yarnrc.yml

@@ -1,2 +1,3 @@
 nodeLinker: node-modules
-npmRegistryServer: https://registry.yarnpkg.com
+
+npmRegistryServer: "https://registry.yarnpkg.com"

package.json

@@ -55,8 +55,10 @@
     "build": "yarn cleanup && rollup -c",
     "test": "jest",
     "test:watch": "jest --watch",
-    "lint": "yarn lint:types && yarn lint:js",
-    "lint:fix": "yarn lint:js:fix",
+    "lint": "yarn lint:types && yarn lint:js && yarn lint:prettier",
+    "lint:fix": "yarn lint:js:fix && yarn lint:prettier:fix",
+    "lint:prettier": "prettier --check .",
+    "lint:prettier:fix": "prettier --write .",
     "lint:js": "eslint 'src/**/*.{js,ts,tsx}' 'stories/**/*.{js,ts,tsx}'",
     "lint:js:fix": "yarn lint:js --fix",
     "lint:types": "tsc --build tsconfig.json --pretty",
@@ -109,7 +111,7 @@
     "jest-environment-jsdom": "^30.2.0",
     "nhsuk-frontend": "^10.0.0",
     "outdent": "^0.8.0",
-    "prettier": "^3.2.5",
+    "prettier": "^3.6.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "rollup": "^4.52.4",

yarn.lock

@@ -10978,7 +10978,7 @@ __metadata:
     jest-environment-jsdom: "npm:^30.2.0"
     nhsuk-frontend: "npm:^10.0.0"
     outdent: "npm:^0.8.0"
-    prettier: "npm:^3.2.5"
+    prettier: "npm:^3.6.2"
     react: "npm:^18.2.0"
     react-dom: "npm:^18.2.0"
     rollup: "npm:^4.52.4"
@@ -11673,7 +11673,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prettier@npm:^3.1.1, prettier@npm:^3.2.5":
+"prettier@npm:^3.1.1":
   version: 3.2.5
   resolution: "prettier@npm:3.2.5"
   bin:
@@ -11682,6 +11682,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"prettier@npm:^3.6.2":
+  version: 3.6.2
+  resolution: "prettier@npm:3.6.2"
+  bin:
+    prettier: bin/prettier.cjs
+  checksum: 10c0/488cb2f2b99ec13da1e50074912870217c11edaddedeadc649b1244c749d15ba94e846423d062e2c4c9ae683e2d65f754de28889ba06e697ac4f988d44f45812
+  languageName: node
+  linkType: hard
+
 "pretty-format@npm:30.2.0, pretty-format@npm:^30.0.0":
   version: 30.2.0
   resolution: "pretty-format@npm:30.2.0"