diff --git a/babel.config.js b/babel.config.js
index 8f40b20c..59746098 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -1,25 +1,23 @@
 module.exports = {
-  "sourceMaps": true,
-  "presets": [
-    ["@babel/preset-env", {
-      "targets": {
-        "browsers": [
-          "last 2 versions"
-        ]
-      }
-    }],
-    "@babel/preset-typescript",
-    "@babel/preset-flow",
-    "@babel/preset-react"
-  ],
-  "plugins": [
-    ["@babel/plugin-proposal-decorators", {"legacy": true}],
-    "@babel/plugin-proposal-export-default-from",
-    "@babel/plugin-proposal-numeric-separator",
-    "@babel/plugin-proposal-class-properties",
-    "@babel/plugin-proposal-object-rest-spread",
-    "@babel/plugin-transform-flow-comments",
-    "@babel/plugin-syntax-dynamic-import",
-    "@babel/plugin-transform-runtime"
-  ]
+    "sourceMaps": true,
+    "presets": [
+        ["@babel/preset-env", {
+            "targets": [
+                "last 2 Chrome versions", "last 2 Firefox versions", "last 2 Safari versions"
+            ],
+        }],
+        "@babel/preset-typescript",
+        "@babel/preset-flow",
+        "@babel/preset-react"
+    ],
+    "plugins": [
+        ["@babel/plugin-proposal-decorators", {decoratorsBeforeExport: true}],
+        "@babel/plugin-proposal-export-default-from",
+        "@babel/plugin-proposal-numeric-separator",
+        "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-proposal-object-rest-spread",
+        "@babel/plugin-transform-flow-comments",
+        "@babel/plugin-syntax-dynamic-import",
+        "@babel/plugin-transform-runtime"
+    ]
 };
diff --git a/package.json b/package.json
index 31c8614b..004d6d7c 100644
--- a/package.json
+++ b/package.json
@@ -193,6 +193,7 @@
     "afterSign": "scripts/electron_afterSign.js"
   },
   "jest": {
+    "modulePathIgnorePatterns": ["<rootDir>/electron_app"],
     "testEnvironment": "jest-environment-jsdom-fourteen",
     "testMatch": [
       "<rootDir>/test/**/*-test.js"