feat(react): update to babel 8.7.0 which includes nullish coalescing and optional chaining (#2346)

package.json

@@ -45,13 +45,13 @@
     "@angular/router": "^8.2.12",
     "@angular/service-worker": "^8.2.12",
     "@angular/upgrade": "^8.2.12",
-    "@babel/core": "7.5.5",
-    "@babel/plugin-proposal-class-properties": "7.5.5",
-    "@babel/plugin-proposal-decorators": "7.4.4",
-    "@babel/plugin-transform-regenerator": "7.4.5",
-    "@babel/preset-env": "7.5.5",
-    "@babel/preset-react": "7.0.0",
-    "@babel/preset-typescript": "7.3.3",
+    "@babel/core": "7.8.3",
+    "@babel/preset-env": "7.8.3",
+    "@babel/preset-react": "7.8.3",
+    "@babel/plugin-proposal-class-properties": "7.8.3",
+    "@babel/plugin-proposal-decorators": "7.8.3",
+    "@babel/plugin-transform-regenerator": "7.8.3",
+    "@babel/preset-typescript": "7.8.3",
     "@bazel/bazel": "^1.2.0",
     "@bazel/ibazel": "^0.10.3",
     "@cypress/webpack-preprocessor": "^4.1.0",

packages/react/src/utils/versions.ts

@@ -16,7 +16,7 @@ export const typesReactRouterDomVersion = '5.1.3';
 
 export const testingLibraryReactVersion = '9.4.0';
 
-export const babelPresetReactVersion = '7.7.4';
+export const babelPresetReactVersion = '7.8.3';
 
 export const reduxjsToolkitVersion = '1.1.0';
 export const reactReduxVersion = '7.1.3';

packages/storybook/src/utils/versions.ts

@@ -1,3 +1,3 @@
 export const storybookVersion = '5.2.5';
-export const babelCoreVersion = '7.5.4';
+export const babelCoreVersion = '7.8.3';
 export const babelLoaderVersion = '8.0.6';

packages/web/package.json

@@ -41,19 +41,19 @@
     "@angular-devkit/build-webpack": "0.803.23",
     "@angular-devkit/core": "8.3.23",
     "@angular-devkit/schematics": "8.3.23",
-    "@babel/core": "7.5.5",
-    "@babel/preset-env": "7.5.5",
-    "@babel/preset-typescript": "7.3.3",
-    "@babel/plugin-proposal-class-properties": "7.5.5",
-    "@babel/plugin-proposal-decorators": "7.4.4",
-    "@babel/plugin-transform-regenerator": "7.4.5",
+    "@babel/core": "7.8.3",
+    "@babel/preset-env": "7.8.3",
+    "@babel/preset-typescript": "7.8.3",
+    "@babel/plugin-proposal-class-properties": "7.8.3",
+    "@babel/plugin-proposal-decorators": "7.8.3",
+    "@babel/plugin-transform-regenerator": "7.8.3",
     "@ngtools/webpack": "8.3.23",
     "ajv": "6.10.2",
     "autoprefixer": "9.6.1",
     "babel-loader": "8.0.6",
     "babel-plugin-const-enum": "0.0.5",
     "babel-plugin-macros": "2.6.1",
-    "babel-plugin-transform-async-to-promises": "0.8.14",
+    "babel-plugin-transform-async-to-promises": "0.8.15",
     "browserslist": "4.8.3",
     "cacache": "12.0.2",
     "caniuse-lite": "1.0.30001019",