Merge pull request #6666 from guardian/ahe/knip-dev-deps

Remove unused dev dependencies

support-frontend/knip.config.js

@@ -8,6 +8,26 @@ module.exports = {
 	entry: flattenedEntryPoints,
 	project: ['**/*.{js,jsx,ts,tsx,scss}!'],
 	ignoreExportsUsedInFile: true,
+	ignoreDependencies: [
+		// used in package.json
+		'@guardian/browserslist-config',
+		'lint-staged',
+		// used by scripts in package.json
+		'webpack-cli',
+		'webpack-dev-server',
+		// could be used to run Chromatic locally
+		'chromatic',
+		'concurrently', // used in devrun.sh
+		// used in webpack.common.js
+		'babel-loader',
+		'css-loader',
+		'fast-sass-loader',
+		'file-loader',
+		'postcss-loader',
+		'ts-loader',
+		'sass', // peer dependency of fast-sass-loader
+		'sass-mq', // imported from breakpoints.scss
+	],
 	webpack: {
 		entry: ['webpack.*.js'],
 	},

support-frontend/package.json

@@ -18,7 +18,7 @@
 		"devrun": "NODE_ENV=DEV npm-run-all clean webpack-dev-server",
 		"test": "NODE_ENV=test echo 'Running TS tests' && jest",
 		"test-watch": "NODE_ENV=test echo 'Running TS tests in watch mode' && jest --watch",
-		"knip": "knip --include files,exports,nsExports,types,nsTypes",
+		"knip": "knip --include files,exports,nsExports,types,nsTypes,dependencies",
 		"jest-update-snapshot": "echo 'Updating TS tests' && jest -u",
 		"paparazzi": "paparazzi && open ./paparazzi",
 		"prepare": "cd .. && husky install ./support-frontend/.husky",
@@ -121,45 +121,38 @@
 		"@babel/preset-env": "^7.22.7",
 		"@babel/preset-react": "^7.23.3",
 		"@babel/preset-typescript": "^7.26.0",
-		"@emotion/babel-plugin": "^11.11.0",
 		"@emotion/eslint-plugin": "^11.11.0",
 		"@guardian/browserslist-config": "^6.1.1",
 		"@guardian/eslint-config": "8.0.1",
 		"@guardian/eslint-config-typescript": "10.0.1",
 		"@guardian/paparazzi": "^0.3.1",
 		"@guardian/prettier": "^2.1.5",
 		"@storybook/addon-a11y": "^8.4.2",
-		"@storybook/addon-actions": "^8.4.2",
 		"@storybook/addon-essentials": "^8.4.5",
 		"@storybook/addon-interactions": "^8.4.2",
 		"@storybook/addon-links": "^8.4.2",
 		"@storybook/addon-storysource": "^8.4.2",
 		"@storybook/addon-viewport": "^8.4.2",
 		"@storybook/addon-webpack5-compiler-babel": "^3.0.3",
-		"@storybook/preact": "^8.4.2",
 		"@storybook/preact-webpack5": "^8.4.2",
 		"@storybook/test": "^8.4.2",
 		"@testing-library/jest-dom": "^6.6.2",
 		"@testing-library/react": "^15.0.2",
-		"@testing-library/user-event": "^14.5.2",
 		"@types/jest": "^29.5.14",
 		"@types/jsdom": "^21.1.6",
 		"@types/lodash.debounce": "^4.0.9",
 		"@types/node": "^22.10.1",
 		"@types/react-dom": "^17.0.11",
 		"@types/react-router-dom": "^5.3.3",
 		"autoprefixer": "^10.4.16",
-		"babel-eslint": "^10.1.0",
 		"babel-jest": "^29.7.0",
 		"babel-loader": "^9.1.3",
 		"babel-plugin-add-react-displayname": "^0.0.5",
 		"babel-plugin-dynamic-import-node": "^2.3.3",
 		"chromatic": "^10.9.6",
 		"concurrently": "^9.1.0",
-		"core-js": "^3.33.3",
 		"css-loader": "^6.7.1",
 		"css-minimizer-webpack-plugin": "^4.2.2",
-		"cssnano": "^6.0.1",
 		"dayjs": "^1.11.11",
 		"eslint": "^8.51.0",
 		"eslint-import-resolver-typescript": "^3.6.1",
@@ -169,7 +162,6 @@
 		"eslint-plugin-storybook": "^0.11.0",
 		"fast-sass-loader": "^2.0.1",
 		"file-loader": "^6.2.0",
-		"glob": "^10.3.12",
 		"husky": "^7.0.1",
 		"jest": "^29.7.0",
 		"jest-environment-jsdom": "^29.7.0",
@@ -183,10 +175,7 @@
 		"postcss-loader": "^8.1.1",
 		"postcss-pxtorem": "^6.1.0",
 		"preact": "^10.23.2",
-		"preact-render-to-string": "^6.5.10",
 		"prettier": "^2.8.8",
-		"prettier-eslint": "^16.3.0",
-		"pretty-format": "^29.7.0",
 		"react": "^18.2.0",
 		"react-dom": "^18.2.0",
 		"rimraf": "^6.0.1",
@@ -195,17 +184,13 @@
 		"search-in-file": "^3.5.2",
 		"storybook": "^8.4.5",
 		"ts-loader": "9.4.4",
-		"tsc-files": "^1.1.4",
 		"typescript": "5.1.6",
-		"web-vitals": "^2.0.0",
 		"webpack": "^5.94.0",
 		"webpack-bundle-analyzer": "^4.5.0",
 		"webpack-cli": "^5.1.4",
 		"webpack-dev-server": "^5.0.2",
 		"webpack-manifest-plugin": "^5.0.0",
-		"webpack-merge": "^5.9.0",
-		"webpack-stats-plugin": "^1.1.3",
-		"yargs": "^17.7.2"
+		"webpack-merge": "^5.9.0"
 	},
 	"lint-staged": {
 		"./assets/**/**/*.{js,jsx,ts,tsx}": "eslint"