Switch run-rules-on-codebase script to use ESLint CLI directly (#2402)

eslint.dogfooding.config.mjs

@@ -0,0 +1,47 @@
+/* Run all unicorn rules on codebase */
+/*
+! If you're making a new rule, you can ignore this before review.
+*/
+
+import eslintPluginUnicorn from './index.js';
+
+const config = [
+	eslintPluginUnicorn.configs['flat/all'],
+	{
+		linterOptions: {
+			reportUnusedDisableDirectives: false,
+		},
+	},
+	{
+		ignores: [
+			'coverage',
+			'test/integration/fixtures',
+			'test/integration/fixtures-local',
+			'rules/utils/lodash.js',
+		],
+	},
+	{
+		rules: {
+			// https://github.com/sindresorhus/eslint-plugin-unicorn/issues/1109#issuecomment-782689255
+			'unicorn/consistent-destructuring': 'off',
+			// https://github.com/sindresorhus/eslint-plugin-unicorn/issues/2341
+			'unicorn/escape-case': 'off',
+			'unicorn/no-hex-escape': 'off',
+			// Buggy
+			'unicorn/custom-error-definition': 'off',
+			'unicorn/consistent-function-scoping': 'off',
+			// Annoying
+			'unicorn/no-keyword-prefix': 'off',
+		},
+	},
+	{
+		files: [
+			'**/*.js',
+		],
+		rules: {
+			'unicorn/prefer-module': 'off',
+		},
+	},
+];
+
+export default config;

package.json

@@ -29,7 +29,7 @@
 		"lint:js": "xo",
 		"lint:markdown": "markdownlint \"**/*.md\"",
 		"lint:package-json": "npmPkgJsonLint .",
-		"run-rules-on-codebase": "node ./test/run-rules-on-codebase/lint.mjs",
+		"run-rules-on-codebase": "eslint --config=./eslint.dogfooding.config.mjs",
 		"smoke": "eslint-remote-tester --config ./test/smoke/eslint-remote-tester.config.mjs",
 		"test": "npm-run-all --continue-on-error lint test:*",
 		"test:js": "c8 ava"