Replace ts-loader with Babel (#21587)

* Applied prettier to relevant webpack configs

* Replaced ng-annotate with babel-plugin-angularjs-annotate

… and replaced ts-loader with @preset/typescript

* Removed redundant import

… that is problematic with Babel's module resolver

* Updated lockfile

* Traspile debug package to es5 for PhantomJS support

* Update babel to latest version

* Remove @babel/poolyfill and url search params polyfill

* Add ts-loader to grafana-ui dependencies

* Update prod webpack build to use cor-js 3

* Applied prettier to relevant webpack configs

* Replaced ng-annotate with babel-plugin-angularjs-annotate

… and replaced ts-loader with @preset/typescript

* Updated lockfile

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

package.json

@@ -9,11 +9,13 @@
     "url": "http://github.com/grafana/grafana.git"
   },
   "devDependencies": {
-    "@babel/core": "7.6.4",
-    "@babel/plugin-syntax-dynamic-import": "7.2.0",
-    "@babel/preset-env": "7.6.3",
-    "@babel/preset-react": "7.6.3",
-    "@babel/preset-typescript": "7.6.0",
+    "@babel/core": "7.8.3",
+    "@babel/plugin-proposal-nullish-coalescing-operator": "7.8.3",
+    "@babel/plugin-proposal-optional-chaining": "7.8.3",
+    "@babel/plugin-syntax-dynamic-import": "7.8.3",
+    "@babel/preset-env": "7.8.3",
+    "@babel/preset-react": "7.8.3",
+    "@babel/preset-typescript": "7.8.3",
     "@emotion/core": "10.0.10",
     "@rtsao/plugin-proposal-class-properties": "7.0.1-patch.1",
     "@testing-library/react-hooks": "^3.2.1",
@@ -105,8 +107,6 @@
     "mocha": "4.1.0",
     "module-alias": "2.2.0",
     "monaco-editor": "0.15.6",
-    "ng-annotate-loader": "0.6.1",
-    "ng-annotate-webpack-plugin": "0.3.0",
     "ngtemplate-loader": "2.0.1",
     "node-sass": "4.12.0",
     "npm": "6.13.4",
@@ -131,7 +131,6 @@
     "style-loader": "0.23.1",
     "terser-webpack-plugin": "1.2.3",
     "ts-jest": "24.1.0",
-    "ts-loader": "6.2.1",
     "ts-node": "8.5.0",
     "tslib": "1.10.0",
     "tslint": "5.20.1",
@@ -199,7 +198,6 @@
     "printWidth": 120
   },
   "dependencies": {
-    "@babel/polyfill": "7.6.0",
     "@braintree/sanitize-url": "4.0.0",
     "@grafana/slate-react": "0.22.9-grafana",
     "@reduxjs/toolkit": "1.2.1",
@@ -218,7 +216,7 @@
     "calculate-size": "1.1.1",
     "classnames": "2.2.6",
     "clipboard": "2.0.4",
-    "core-js": "2.6.9",
+    "core-js": "3.6.4",
     "d3": "5.15.0",
     "d3-scale-chromatic": "1.5.0",
     "emotion": "10.0.27",
@@ -257,6 +255,7 @@
     "redux": "4.0.4",
     "redux-logger": "3.0.6",
     "redux-thunk": "2.3.0",
+    "regenerator-runtime": "0.13.3",
     "reselect": "4.0.0",
     "rst2html": "github:thoward/rst2html#990cb89",
     "rxjs": "6.5.4",
@@ -267,7 +266,6 @@
     "tether-drop": "https://github.com/torkelo/drop/tarball/master",
     "tinycolor2": "1.4.1",
     "tti-polyfill": "0.2.2",
-    "url-search-params-polyfill": "7.0.1",
     "whatwg-fetch": "3.0.0",
     "xss": "1.0.3"
   },