From 05dfb6068389333329dfb0527ffff02d18a9916f Mon Sep 17 00:00:00 2001
From: Miel Truyen <miel.truyen@gmail.com>
Date: Tue, 21 Jan 2020 16:57:39 +0100
Subject: [PATCH] Improved InitializeDefinerProperty (babel-helper) to
 correctly handle properties with get/setters. (This is revision 2 of a
 fix...)

---
 packages/babel-helpers/src/helpers.js | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/packages/babel-helpers/src/helpers.js b/packages/babel-helpers/src/helpers.js
index 9212dfb2c2..6e9a1b287c 100644
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -1056,12 +1056,27 @@ helpers.initializerDefineProperty = helper("7.0.0-beta.0")`
     export default function _initializerDefineProperty(target, property, descriptor, context){
         if (!descriptor) return;
 
-        Object.defineProperty(target, property, {
+        if(descriptor.set){
+          Object.defineProperty(target, property, {
+            get: descriptor.get,
+            set: descriptor.set,
+            configurable: descriptor.configurable,
+            enumerable: descriptor.enumerable
+          });
+          
+          if(descriptor.initializer){
+            descriptor.set.call(target, descriptor.initializer.call(context));
+          }else if(descriptor.value!==undefined){
+            descriptor.set.call(target, descriptor.value);
+          }
+        }else{
+          Object.defineProperty(target, property, {
             enumerable: descriptor.enumerable,
             configurable: descriptor.configurable,
             writable: descriptor.writable,
             value: descriptor.initializer ? descriptor.initializer.call(context) : void 0,
-        });
+          });
+        }
     }
 `;