From 1e49ad8370278ddf6eede121f58d718b0ae9c62c Mon Sep 17 00:00:00 2001
From: Alex T <alexander.tarasyuk@outlook.com>
Date: Tue, 6 Oct 2020 17:50:08 +0300
Subject: [PATCH] fix(40685): fix generating docs for arrow functions (#40728)

---
 src/services/jsDoc.ts                            |  1 +
 .../docCommentTemplateObjectLiteralMethods01.ts  | 16 ++++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/services/jsDoc.ts b/src/services/jsDoc.ts
index 11b876a6841..8b45c762da1 100644
--- a/src/services/jsDoc.ts
+++ b/src/services/jsDoc.ts
@@ -329,6 +329,7 @@ namespace ts.JsDoc {
             case SyntaxKind.MethodDeclaration:
             case SyntaxKind.Constructor:
             case SyntaxKind.MethodSignature:
+            case SyntaxKind.ArrowFunction:
                 const { parameters } = commentOwner as FunctionDeclaration | MethodDeclaration | ConstructorDeclaration | MethodSignature;
                 return { commentOwner, parameters };
 
diff --git a/tests/cases/fourslash/docCommentTemplateObjectLiteralMethods01.ts b/tests/cases/fourslash/docCommentTemplateObjectLiteralMethods01.ts
index 08f1b997021..3e2194e2bd6 100644
--- a/tests/cases/fourslash/docCommentTemplateObjectLiteralMethods01.ts
+++ b/tests/cases/fourslash/docCommentTemplateObjectLiteralMethods01.ts
@@ -8,10 +8,15 @@ const multiLineOffset = 12;
 ////    foo() {
 ////        return undefined;
 ////    }
+////
 ////    /*1*/
 ////    [1 + 2 + 3 + Math.rand()](x: number, y: string, z = true) { }
+////
 ////    /*2*/
-////    m: function(a) {}
+////    m1: function(a) {}
+////
+////    /*3*/
+////    m2: (a: string, b: string) => {}
 ////}
 
 verify.docCommentTemplateAt("0", singleLineOffset, "/** */");
@@ -23,9 +28,16 @@ verify.docCommentTemplateAt("1", multiLineOffset,
      * @param y
      * @param z
      */`);
-    
+
 verify.docCommentTemplateAt("2", multiLineOffset,
    `/**
      * 
      * @param a
      */`);
+
+verify.docCommentTemplateAt("3", multiLineOffset,
+   `/**
+     * 
+     * @param a
+     * @param b
+     */`);