Revert "[Performance] Ship ES6 code to production, drop IE support"

This reverts commit 448d096.

Getting some "ReferenceError: Cannot access 'VARIABLE_NAME' before initialization" way too often.

package.json

@@ -46,9 +46,6 @@
     "tslint-react": "3.6.0",
     "typescript": "3.3.4000"
   },
-  "resolutions": {
-    "metro-react-native-babel-preset": "0.53.1"
-  },
   "husky": {
     "hooks": {
       "pre-commit": "yarn workspace @devhub/desktop compile && lint-staged"

packages/components/src/libs/bugsnag/index.web.ts

@@ -3,13 +3,14 @@ import bugsnagReact from '@bugsnag/plugin-react'
 import _ from 'lodash'
 import React from 'react'
 
+import { appVersion } from '../../components/common/AppVersion'
 import { BugnsagCrossPlatform } from './'
 import { hideTokenFromString } from './index.shared'
 // import { overrideConsoleError } from './index.shared'
 
 const client = bugsnagJS({
   apiKey: '231f337f6090422c611017d3dab3d32e',
-  appVersion: '0.48.1',
+  appVersion,
   autoBreadcrumbs: true,
   notifyReleaseStages: ['production'],
 })

packages/mobile/ios/devhub.xcodeproj/project.pbxproj

@@ -1703,7 +1703,7 @@
 					"$(SRCROOT)/../../../node_modules/bugsnag-react-native/cocoa/**",
 				);
 				INFOPLIST_FILE = devhub/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.4;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				OTHER_LDFLAGS = (
 					"$(inherited)",
@@ -1744,7 +1744,7 @@
 					"$(SRCROOT)/../../../node_modules/bugsnag-react-native/cocoa/**",
 				);
 				INFOPLIST_FILE = devhub/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 11.4;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				OTHER_LDFLAGS = (
 					"$(inherited)",

packages/mobile/package.json

@@ -8,7 +8,7 @@
     "format": "prettier --write '{.,src/**}/*.{js,jsx,ts,tsx}'",
     "lint": "tslint -p .",
     "prepare": "cd .. && yarn patch-package",
-    "start": "node ../../node_modules/react-native/local-cli/cli.js start --projectRoot ../../",
+    "start": "node ../../node_modules/react-native/local-cli/cli.js start",
     "studio": "open -a /Applications/Android\\ Studio.app ./android/",
     "test": "jest",
     "tsc": "tsc -b",

packages/web/package.json

@@ -18,15 +18,16 @@
     "test": "react-app-rewired test"
   },
   "dependencies": {
+    "@babel/polyfill": "7.4.0",
     "@devhub/components": "0.48.1",
     "react": "16.8.6",
-    "react-app-polyfill": "1.0.0-next.b0cbf2ca",
+    "react-app-polyfill": "0.2.2",
     "react-art": "16.8.6",
     "react-dom": "16.8.6",
     "react-native-web": "0.11.1",
-    "react-scripts": "3.0.0-next.b0cbf2ca",
+    "react-scripts": "2.1.8",
     "resize-observer-polyfill": "1.5.1",
-    "smoothscroll-polyfill": "0.4.4"
+    "smoothscroll-polyfill": "0.4.3"
   },
   "devDependencies": {
     "@types/jest": "24.0.11",
@@ -47,11 +48,9 @@
     "webpack-bundle-analyzer": "3.1.0"
   },
   "browserslist": [
-    "last 2 Chrome versions",
-    "last 2 Firefox versions",
-    "last 1 Safari versions",
-    "last 1 Opera versions",
-    "last 1 iOS major versions",
-    "last 1 Android major versions"
+    ">0.2%",
+    "not dead",
+    "not ie <= 9",
+    "not op_mini all"
   ]
 }

packages/web/src/index.tsx

@@ -6,6 +6,8 @@
   throw error
 }
 
+import '@babel/polyfill'
+import 'react-app-polyfill/ie9'
 import 'resize-observer-polyfill/dist/ResizeObserver.global'
 import smoothscroll from 'smoothscroll-polyfill'
 smoothscroll.polyfill()