From f5808cb51529174a67b4938223f06435ad6d5118 Mon Sep 17 00:00:00 2001
From: Milos Djermanovic <milos.djermanovic@gmail.com>
Date: Mon, 21 Nov 2022 12:01:10 +0100
Subject: [PATCH] chore: fix rule doc headers check (#16564)

---
 Makefile.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile.js b/Makefile.js
index 64b52457943..e85514db9d9 100644
--- a/Makefile.js
+++ b/Makefile.js
@@ -15,6 +15,7 @@ const checker = require("npm-license"),
     fs = require("fs"),
     glob = require("glob"),
     marked = require("marked"),
+    matter = require("gray-matter"),
     markdownlint = require("markdownlint"),
     os = require("os"),
     path = require("path"),
@@ -707,7 +708,8 @@ target.checkRuleFiles = function() {
         const basename = path.basename(filename, ".js");
         const docFilename = `docs/src/rules/${basename}.md`;
         const docText = cat(docFilename);
-        const docMarkdown = marked.lexer(docText, { gfm: true, silent: false });
+        const docTextWithoutFrontmatter = matter(String(docText)).content;
+        const docMarkdown = marked.lexer(docTextWithoutFrontmatter, { gfm: true, silent: false });
         const ruleCode = cat(filename);
         const knownHeaders = ["Rule Details", "Options", "Environments", "Examples", "Known Limitations", "When Not To Use It", "Compatibility"];