From a2f8a35e2502d07d4e68e9ef6e4c0012c9e11b9a Mon Sep 17 00:00:00 2001
From: Amumu <yoyo837@hotmail.com>
Date: Sat, 13 Nov 2021 02:38:00 +0800
Subject: [PATCH] [Fix] `no-unused-class-component-methods`: add
 `getChildContext` lifecycle method

Fixes #3135
---
 CHANGELOG.md                                         | 2 ++
 lib/rules/no-unused-class-component-methods.js       | 1 +
 tests/lib/rules/no-unused-class-component-methods.js | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8395d6613..dc5726045a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,9 @@ This change log adheres to standards from [Keep a CHANGELOG](http://keepachangel
 
 ### Fixed
 * [`no-invalid-html-attribute`]: allow `link` `rel` to have `apple-touch-icon`, `mask-icon` ([#3132][] @ljharb)
+* [`no-unused-class-component-methods`]: add `getChildContext` lifecycle method ([#3136][] @yoyo837)
 
+[#3136]: https://github.com/yannickcr/eslint-plugin-react/pull/3136
 [#3132]: https://github.com/yannickcr/eslint-plugin-react/issue/3132
 
 ## [7.27.0] - 2021.11.09
diff --git a/lib/rules/no-unused-class-component-methods.js b/lib/rules/no-unused-class-component-methods.js
index eb9b810fb1..442d29d999 100644
--- a/lib/rules/no-unused-class-component-methods.js
+++ b/lib/rules/no-unused-class-component-methods.js
@@ -21,6 +21,7 @@ const LIFECYCLE_METHODS = new Set([
   'componentWillReceiveProps',
   'componentWillUnmount',
   'componentWillUpdate',
+  'getChildContext',
   'getSnapshotBeforeUpdate',
   'render',
   'shouldComponentUpdate',
diff --git a/tests/lib/rules/no-unused-class-component-methods.js b/tests/lib/rules/no-unused-class-component-methods.js
index ee699413d6..dd22101067 100644
--- a/tests/lib/rules/no-unused-class-component-methods.js
+++ b/tests/lib/rules/no-unused-class-component-methods.js
@@ -438,6 +438,7 @@ ruleTester.run('no-unused-class-component-methods', rule, {
           componentDidUpdate() {}
           componentDidCatch() {}
           componentWillUnmount() {}
+          getChildContext() {}
           render() {
             return <SomeComponent />;
           }
@@ -467,6 +468,7 @@ ruleTester.run('no-unused-class-component-methods', rule, {
           componentDidUpdate() {},
           componentDidCatch() {},
           componentWillUnmount() {},
+          getChildContext() {},
           render() {
             return <SomeComponent />;
           },