From 3764248084455409f085c5bc4706079405cef618 Mon Sep 17 00:00:00 2001
From: Alexander T <alexander.tarasyuk@outlook.com>
Date: Thu, 20 Aug 2020 22:24:57 +0300
Subject: [PATCH] fix(eslint-plugin): [explicit-module-boundary-types] ignore
 abstract setters (#2410)

---
 .../src/rules/explicit-module-boundary-types.ts              | 5 ++++-
 .../tests/rules/explicit-module-boundary-types.test.ts       | 5 +++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/packages/eslint-plugin/src/rules/explicit-module-boundary-types.ts b/packages/eslint-plugin/src/rules/explicit-module-boundary-types.ts
index 49fdfc1d5a0..fc2dd4e63c4 100644
--- a/packages/eslint-plugin/src/rules/explicit-module-boundary-types.ts
+++ b/packages/eslint-plugin/src/rules/explicit-module-boundary-types.ts
@@ -427,7 +427,10 @@ export default util.createRule<Options, MessageIds>({
       const isConstructor =
         node.parent?.type === AST_NODE_TYPES.MethodDefinition &&
         node.parent.kind === 'constructor';
-      if (!isConstructor && !node.returnType) {
+      const isAbstractSetAccessor =
+        node.parent?.type === AST_NODE_TYPES.TSAbstractMethodDefinition &&
+        node.parent.kind === 'set';
+      if (!isConstructor && !isAbstractSetAccessor && !node.returnType) {
         context.report({
           node,
           messageId: 'missingReturnType',
diff --git a/packages/eslint-plugin/tests/rules/explicit-module-boundary-types.test.ts b/packages/eslint-plugin/tests/rules/explicit-module-boundary-types.test.ts
index 114b26aed0f..32ae93592b4 100644
--- a/packages/eslint-plugin/tests/rules/explicit-module-boundary-types.test.ts
+++ b/packages/eslint-plugin/tests/rules/explicit-module-boundary-types.test.ts
@@ -646,6 +646,11 @@ type Buz = () => (n: number) => string;
 
 export const buz: Buz = () => n => String(n);
     `,
+    `
+export abstract class Foo<T> {
+  abstract set value(element: T);
+}
+    `,
   ],
   invalid: [
     {