Merge pull request #12102 from vector-im/travis/babel-skinning

Update babel targets

babel.config.js

@@ -2,18 +2,16 @@ module.exports = {
     "sourceMaps": true,
     "presets": [
         ["@babel/preset-env", {
-      "targets": {
-        "browsers": [
-          "last 2 versions"
-        ]
-      }
+            "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", {"legacy": true}],
+        ["@babel/plugin-proposal-decorators", {decoratorsBeforeExport: true}],
         "@babel/plugin-proposal-export-default-from",
         "@babel/plugin-proposal-numeric-separator",
         "@babel/plugin-proposal-class-properties",

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"