feat: add optional rules meta option to lint text

index.js

@@ -66,7 +66,14 @@ const lintText = async (string, options) => {
 	}
 
 	const report = await eslint.lintText(string, {filePath, warnIgnored});
-	return processReport(report, {isQuiet});
+
+	let rulesMetaForResults;
+
+	if (options && options.rulesMetaForResults === true) {
+		rulesMetaForResults = eslint.getRulesMetaForResults(report);
+	}
+
+	return processReport(report, {isQuiet, rulesMetaForResults});
 };
 
 const lintFiles = async (patterns, options) => {

lib/report.js

@@ -18,13 +18,14 @@ const mergeReports = reports => {
 	return report;
 };
 
-const processReport = (report, {isQuiet = false} = {}) => {
+const processReport = (report, {isQuiet = false, rulesMetaForResults} = {}) => {
 	if (isQuiet) {
 		report = ESLint.getErrorResults(report);
 	}
 
 	const result = {
 		results: report,
+		rulesMetaForResults,
 		...getReportStatistics(report),
 	};
 

test/lint-text.js

@@ -277,6 +277,16 @@ test('find configurations close to linted file', async t => {
 	t.true(hasRule(results, 'indent'));
 });
 
+test('rulesMetaForResults is not added to the report by default', async t => {
+	const report = await xo.lintText('\'use strict\'\nconsole.log(\'unicorn\');\n');
+	t.is(report.rulesMetaForResults, undefined);
+});
+
+test('rulesMetaForResults option adds rulesMetaForResults to the report', async t => {
+	const report = await xo.lintText('\'use strict\'\nconsole.log(\'unicorn\');\n', {rulesMetaForResults: true});
+	t.truthy(report.rulesMetaForResults.semi);
+});
+
 test('typescript files: two spaces fails', async t => {
 	const twoSpacesCwd = path.resolve('fixtures', 'typescript');
 	const twoSpacesfilePath = path.resolve(twoSpacesCwd, 'two-spaces.tsx');