From 0ae427060faa2cf186722680fc03ffc893ef6383 Mon Sep 17 00:00:00 2001
From: Daniel Huigens <d.huigens@protonmail.com>
Date: Tue, 1 May 2018 16:54:11 +0200
Subject: [PATCH] Add Object.assign polyfill

---
 src/polyfills.js     | 3 +++
 src/worker/worker.js | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/polyfills.js b/src/polyfills.js
index 3c46bb4d..77947cb6 100644
--- a/src/polyfills.js
+++ b/src/polyfills.js
@@ -27,3 +27,6 @@ if (typeof String.prototype.repeat === 'undefined') {
 if (typeof Symbol === 'undefined') {
   require('core-js/fn/symbol');
 }
+if (typeof Object.assign === 'undefined') {
+  require('core-js/fn/object/assign');
+}
diff --git a/src/worker/worker.js b/src/worker/worker.js
index 576f06c0..99422df6 100644
--- a/src/worker/worker.js
+++ b/src/worker/worker.js
@@ -86,7 +86,9 @@ self.onmessage = function(event) {
  * @param  {Object} config   The openpgp configuration
  */
 function configure(config) {
-  Object.assign(openpgp.config, config);
+  Object.keys(config).forEach(function(key) {
+    openpgp.config[key] = config[key];
+  });
 }
 
 /**