From 99ee15eb96a943ea23888f4995793c7c774144ea Mon Sep 17 00:00:00 2001
From: Klaus Meinhardt <klaus.meinhardt1@gmail.com>
Date: Wed, 29 Nov 2017 14:35:14 +0100
Subject: [PATCH] no-accessor-recursion: avoid crash on abstract accessor

---
 rules/noAccessorRecursionRule.ts                      | 2 +-
 test/rules/no-accessor-recursion/default/test.ts.lint | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/rules/noAccessorRecursionRule.ts b/rules/noAccessorRecursionRule.ts
index 5ac4215..523e34e 100644
--- a/rules/noAccessorRecursionRule.ts
+++ b/rules/noAccessorRecursionRule.ts
@@ -14,7 +14,7 @@ function walk(ctx: Lint.WalkContext<void>) {
     let name: string | undefined;
 
     return ctx.sourceFile.statements.forEach(function cb(node: ts.Node): any {
-        if (isAccessorDeclaration(node)) {
+        if (isAccessorDeclaration(node) && node.body !== undefined) {
             const before = name;
             name = getPropertyName(node.name);
             node.body.statements.forEach(cb);
diff --git a/test/rules/no-accessor-recursion/default/test.ts.lint b/test/rules/no-accessor-recursion/default/test.ts.lint
index 0e4f76c..8b04e77 100644
--- a/test/rules/no-accessor-recursion/default/test.ts.lint
+++ b/test/rules/no-accessor-recursion/default/test.ts.lint
@@ -82,4 +82,13 @@ obj = {
     }
 }
 
+abstract class MyClass {
+    abstract get prop(): string;
+
+    set prop(v: string) {
+        this.prop = v;
+        ~~~~~~~~~ [fail]
+    }
+}
+
 [fail]: accessor recursion is not allowed