From 6840940a766d671831d5cee0e3c0e2f4e642632a Mon Sep 17 00:00:00 2001
From: Bryan Mishkin <698306+bmish@users.noreply.github.com>
Date: Mon, 27 Jun 2022 13:23:42 -0400
Subject: [PATCH] chore: correctly use .markdownlintignore in Makefile (#16060)

---
 Makefile.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Makefile.js b/Makefile.js
index 146aa03fc29..a9c527df557 100644
--- a/Makefile.js
+++ b/Makefile.js
@@ -22,6 +22,7 @@ const checker = require("npm-license"),
     ejs = require("ejs"),
     loadPerf = require("load-perf"),
     yaml = require("js-yaml"),
+    ignore = require("ignore"),
     { CLIEngine } = require("./lib/cli-engine"),
     builtinRules = require("./lib/rules/index");
 
@@ -72,8 +73,8 @@ const NODE = "node ", // intentional extra space
     // Files
     RULE_FILES = glob.sync("lib/rules/*.js").filter(filePath => path.basename(filePath) !== "index.js"),
     JSON_FILES = find("conf/").filter(fileType("json")),
-    MARKDOWNLINT_IGNORED_FILES = fs.readFileSync(path.join(__dirname, ".markdownlintignore"), "utf-8").split("\n"),
-    MARKDOWN_FILES_ARRAY = find("docs/").concat(ls(".")).filter(fileType("md")).filter(file => !MARKDOWNLINT_IGNORED_FILES.includes(file)),
+    MARKDOWNLINT_IGNORE_INSTANCE = ignore().add(fs.readFileSync(path.join(__dirname, ".markdownlintignore"), "utf-8")),
+    MARKDOWN_FILES_ARRAY = MARKDOWNLINT_IGNORE_INSTANCE.filter(find("docs/").concat(ls(".")).filter(fileType("md"))),
     TEST_FILES = "\"tests/{bin,conf,lib,tools}/**/*.js\"",
     PERF_ESLINTRC = path.join(PERF_TMP_DIR, "eslintrc.yml"),
     PERF_MULTIFILES_TARGET_DIR = path.join(PERF_TMP_DIR, "eslint"),