better IE11 compatibility

Author: yvess

docker-images.yml

@@ -6,7 +6,7 @@ services:
     hostname: pdb
 
   vue:
-    image: smartuse/gemeindescan-webui-vue:0.2.0
+    image: smartuse/gemeindescan-webui-vue:0.2.1
     hostname: vue
 
   django:

vue/package.json

@@ -21,7 +21,8 @@
     "vue-i18n": "^8.15.3",
     "vue-router": "^3.1.3",
     "vuetify": "^2.1.0",
-    "vuex": "^3.1.2"
+    "vuex": "^3.1.2",
+    "whatwg-fetch": "^3.0.0"
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "^4.1.0",

vue/src/main.js

@@ -1,4 +1,5 @@
 import Vue from 'vue';
+import 'whatwg-fetch'; // polyfill for IE11
 import { ApolloClient } from 'apollo-client';
 import { HttpLink } from 'apollo-link-http';
 import { InMemoryCache } from 'apollo-cache-inmemory';

vue/yarn.lock

@@ -8526,6 +8526,11 @@ websocket-extensions@>=0.1.1:
   resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
   integrity sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==
 
+whatwg-fetch@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.0.0.tgz#fc804e458cc460009b1a2b966bc8817d2578aefb"
+  integrity sha512-9GSJUgz1D4MfyKU7KRqwOjXCXTqWdFNvEr7eUBYchQiVc744mqK/MzXPNR2WsPkmkOa4ywfg8C2n8h+13Bey1Q==
+
 which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"