fix: Don't override n/no-unsupported-features/* if user has customi…

…sed them

lib/options-manager.js

@@ -354,9 +354,9 @@ const buildXOConfig = options => config => {
 	}
 
 	if (options.nodeVersion) {
-		config.baseConfig.rules['n/no-unsupported-features/es-builtins'] = ['error', {version: options.nodeVersion}];
-		config.baseConfig.rules['n/no-unsupported-features/es-syntax'] = ['error', {version: options.nodeVersion, ignores: ['modules']}];
-		config.baseConfig.rules['n/no-unsupported-features/node-builtins'] = ['error', {version: options.nodeVersion}];
+		config.baseConfig.rules['n/no-unsupported-features/es-builtins'] ??= ['error', {version: options.nodeVersion}];
+		config.baseConfig.rules['n/no-unsupported-features/es-syntax'] ??= ['error', {version: options.nodeVersion, ignores: ['modules']}];
+		config.baseConfig.rules['n/no-unsupported-features/node-builtins'] ??= ['error', {version: options.nodeVersion}];
 	}
 
 	if (options.space && !options.prettier) {

test/cli.js

@@ -197,3 +197,26 @@ test('print-config flag without filename', async t => {
 	);
 	t.is(error.stderr.trim(), 'The `--print-config` flag must be used with exactly one filename');
 });
+
+test('Disable n/no-unsupported-features/*', async t => {
+	const cwd = path.join(__dirname, 'fixtures/disable-n-no-unsupported-features');
+	const {stdout} = await main(['--print-config', 'index.js'], {cwd});
+	const config = JSON.parse(stdout);
+	t.like(config, {
+		rules: {
+			'n/no-unsupported-features/es-builtins': ['off'],
+			'n/no-unsupported-features/es-syntax': ['off'],
+			'n/no-unsupported-features/node-builtins': ['off'],
+		},
+	});
+
+	const {stdout: stdoutOverrides} = await main(['--print-config', 'overrides.js'], {cwd});
+	const configOverrides = JSON.parse(stdoutOverrides);
+	t.like(configOverrides, {
+		rules: {
+			'n/no-unsupported-features/es-builtins': ['off'],
+			'n/no-unsupported-features/es-syntax': ['off'],
+			'n/no-unsupported-features/node-builtins': ['error'],
+		},
+	});
+});

test/fixtures/disable-n-no-unsupported-features/index.js

@@ -0,0 +1 @@
+const _ = new FormData();

test/fixtures/disable-n-no-unsupported-features/overrides.js

@@ -0,0 +1 @@
+const _ = new FormData();

test/fixtures/disable-n-no-unsupported-features/package.json

@@ -0,0 +1,20 @@
+{
+	"xo": {
+		"rules": {
+			"n/no-unsupported-features/es-builtins": "off",
+			"n/no-unsupported-features/es-syntax": "off",
+			"n/no-unsupported-features/node-builtins": "off"
+		},
+		"overrides": [
+			{
+				"files": "overrides.js",
+				"rules": {
+					"n/no-unsupported-features/node-builtins": "error"
+				}
+			}
+		]
+	},
+	"engines": {
+		"node": ">=18"
+	}
+}