From 535db3bf27ee1d7824ada9acd91d1b7833064628 Mon Sep 17 00:00:00 2001
From: Hailey <hsmitty93@gmail.com>
Date: Tue, 10 Nov 2020 22:36:13 -0800
Subject: [PATCH] fix(eslint-plugin): [no-unsafe-member-access] ignore
 MemberExpression's whose parents are either TSClassImplements or
 TSInterfaceHeritage (#2753)

---
 packages/eslint-plugin/src/rules/no-unsafe-member-access.ts | 3 ++-
 .../tests/rules/no-unsafe-member-access.test.ts             | 6 ++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/eslint-plugin/src/rules/no-unsafe-member-access.ts b/packages/eslint-plugin/src/rules/no-unsafe-member-access.ts
index e0bb605f0f1..b326c754136 100644
--- a/packages/eslint-plugin/src/rules/no-unsafe-member-access.ts
+++ b/packages/eslint-plugin/src/rules/no-unsafe-member-access.ts
@@ -71,7 +71,8 @@ export default util.createRule({
     }
 
     return {
-      MemberExpression: checkMemberExpression,
+      // ignore MemberExpression if it's parent is TSClassImplements or TSInterfaceHeritage
+      ':not(TSClassImplements, TSInterfaceHeritage) > MemberExpression': checkMemberExpression,
       'MemberExpression[computed = true] > *.property'(
         node: TSESTree.Expression,
       ): void {
diff --git a/packages/eslint-plugin/tests/rules/no-unsafe-member-access.test.ts b/packages/eslint-plugin/tests/rules/no-unsafe-member-access.test.ts
index bf6ff85c121..a9c21f8712b 100644
--- a/packages/eslint-plugin/tests/rules/no-unsafe-member-access.test.ts
+++ b/packages/eslint-plugin/tests/rules/no-unsafe-member-access.test.ts
@@ -66,6 +66,12 @@ function foo(x?: string[]) {
   x?.[(1 as any)++];
 }
     `,
+    `
+class B implements FG.A {}
+    `,
+    `
+interface B extends FG.A {}
+    `,
   ],
   invalid: [
     ...batchedSingleLineTests({