From e6cee0fd40316fe52c48174fa603ca35e74b090b Mon Sep 17 00:00:00 2001
From: fisker Cheung <lionkay@gmail.com>
Date: Tue, 12 Oct 2021 12:27:48 +0800
Subject: [PATCH] Fix compatibility with ESLint 7 (#1548)

---
 package.json                    |  2 +-
 rules/expiring-todo-comments.js |  4 +++-
 rules/utils/get-builtin-rule.js | 14 ++++++++++++++
 3 files changed, 18 insertions(+), 2 deletions(-)
 create mode 100644 rules/utils/get-builtin-rule.js

diff --git a/package.json b/package.json
index 46d44c17a9..88668042c4 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
 		"xo": "^0.44.0"
 	},
 	"peerDependencies": {
-		"eslint": ">=8.0.0"
+		"eslint": ">=7.32.0"
 	},
 	"ava": {
 		"files": [
diff --git a/rules/expiring-todo-comments.js b/rules/expiring-todo-comments.js
index 23c40a8cf5..edbe686ecd 100644
--- a/rules/expiring-todo-comments.js
+++ b/rules/expiring-todo-comments.js
@@ -2,7 +2,9 @@
 const readPkgUp = require('read-pkg-up');
 const semver = require('semver');
 const ci = require('ci-info');
-const baseRule = require('eslint/use-at-your-own-risk').builtinRules.get('no-warning-comments');
+const getBuiltinRule = require('./utils/get-builtin-rule.js');
+
+const baseRule = getBuiltinRule('no-warning-comments');
 
 // `unicorn/` prefix is added to avoid conflicts with core rule
 const MESSAGE_ID_AVOID_MULTIPLE_DATES = 'unicorn/avoidMultipleDates';
diff --git a/rules/utils/get-builtin-rule.js b/rules/utils/get-builtin-rule.js
new file mode 100644
index 0000000000..7433df808d
--- /dev/null
+++ b/rules/utils/get-builtin-rule.js
@@ -0,0 +1,14 @@
+'use strict';
+
+function getBuiltinRule(id) {
+	// TODO: Remove this when we drop support for ESLint 7
+	const eslintVersion = require('eslint/package.json').version;
+	/* istanbul ignore next */
+	if (eslintVersion.startsWith('7.')) {
+		return require(`eslint/lib/rules/${id}`);
+	}
+
+	return require('eslint/use-at-your-own-risk').builtinRules.get(id);
+}
+
+module.exports = getBuiltinRule;