From 2a5cce89e30e1b2c445131e8e08db11dc40a160c Mon Sep 17 00:00:00 2001
From: Bert McCutchen <bmccutchen@infotech.com>
Date: Tue, 6 Feb 2024 08:15:04 -0500
Subject: [PATCH] Added formatMessageText from Stylelint source

---
 stylelint-formatter-rdjson/index.js | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/stylelint-formatter-rdjson/index.js b/stylelint-formatter-rdjson/index.js
index 4a404aa..cb18c4f 100644
--- a/stylelint-formatter-rdjson/index.js
+++ b/stylelint-formatter-rdjson/index.js
@@ -2,6 +2,31 @@
 // https://github.com/reviewdog/reviewdog/tree/7ab09a1158ed4abd0eb0395ab0f1af6cfcdf513e/proto/rdf#rdjson
 // https://stylelint.io/developer-guide/formatters
 
+/**
+ * @param {import('stylelint').Warning} message
+ * @returns string
+ * @see https://github.com/stylelint/stylelint/blob/224b280135c6188a061061d0f9ee1042f5cd345a/lib/formatters/stringFormatter.cjs#L173-L188
+ */
+function formatMessageText(warning) {
+  let result =  warning.text;
+
+  // Remove all control characters (newline, tab and etc)
+  result = result
+    .replace(/[\u0001-\u001A]+/g, ' ')
+    .replace(/\.$/, '');
+
+  const ruleString = ` (${warning.rule})`;
+
+  if (result.endsWith(ruleString)) {
+    result = result.slice(0, result.lastIndexOf(ruleString));
+  }
+
+  return result;
+}
+
+/**
+ * @type {import('stylelint').Formatter}
+ */
 module.exports = function (results, returnValue) {
   const rdjson = {
     source: {
@@ -16,7 +41,7 @@ module.exports = function (results, returnValue) {
 
     result.warnings.forEach(warning => {
       const diagnostic = {
-        message: warning.text,
+        message: formatMessageText(warning),
         location: {
           path: filePath,
           range: {