From 9ee5e6e59ca96bc79a32adf0eb2f985fc65c1bd6 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hzoo@users.noreply.github.com>
Date: Fri, 8 Jul 2016 14:23:04 -0400
Subject: [PATCH] Create a variable for class properties in scope instead of
 deleting the key (babel/babel-eslint#336)

---
 eslint/babel-eslint-parser/babylon-to-espree/toAST.js | 5 -----
 eslint/babel-eslint-parser/index.js                   | 7 +++++++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/eslint/babel-eslint-parser/babylon-to-espree/toAST.js b/eslint/babel-eslint-parser/babylon-to-espree/toAST.js
index 5dce899a52..cc680e999e 100644
--- a/eslint/babel-eslint-parser/babylon-to-espree/toAST.js
+++ b/eslint/babel-eslint-parser/babylon-to-espree/toAST.js
@@ -206,11 +206,6 @@ var astTransformVisitor = {
       }
     }
 
-    // remove class property keys (or patch in escope)
-    if (path.isClassProperty()) {
-      delete node.key;
-    }
-
     // async function as generator
     if (path.isFunction()) {
       if (node.async) node.generator = true;
diff --git a/eslint/babel-eslint-parser/index.js b/eslint/babel-eslint-parser/index.js
index 004f3a761d..9cbfb51a39 100644
--- a/eslint/babel-eslint-parser/index.js
+++ b/eslint/babel-eslint-parser/index.js
@@ -229,6 +229,13 @@ function monkeypatch() {
   // visit decorators that are in: ClassDeclaration / ClassExpression
   var visitClass = referencer.prototype.visitClass;
   referencer.prototype.visitClass = function(node) {
+    var classBody = node.body.body;
+    for (var a = 0; a < classBody.length; a++) {
+      if (classBody[a].type === "ClassProperty") {
+        createScopeVariable.call(this, classBody[a], classBody[a].key);
+      }
+    }
+
     visitDecorators.call(this, node);
     var typeParamScope;
     if (node.typeParameters) {