Babel configuration for TypeScript

.babelrc

@@ -0,0 +1,32 @@
+{
+  "presets": [
+    [
+      "@babel/preset-typescript",
+      {
+        "jsxPragma": "h"
+      }
+    ]
+  ],
+  "plugins": [
+    [
+      "@babel/plugin-transform-react-jsx",
+      {
+        "loose": true,
+        "pragma": "h",
+        "pragmaFrag": "Fragment"
+      }
+    ],
+    [
+      "@babel/plugin-proposal-decorators",
+      {
+        "legacy": true
+      }
+    ],
+    [
+      "@babel/plugin-proposal-class-properties",
+      {
+        "loose": true
+      }
+    ]
+  ]
+}

global.d.ts

@@ -1,6 +1,3 @@
-declare const __webpack_public_path__: string;
-declare const PRERENDER: boolean;
-
 declare interface NodeModule {
   hot: any;
 }

package.json

@@ -15,6 +15,7 @@
       "pre-commit": "npm run lint"
     }
   },
+  "browserslist": ">0.25%, not IE 11, not op_mini all",
   "postcss": {
     "modules": true,
     "plugins": {

tsconfig.json

@@ -6,6 +6,7 @@
     "module": "esnext",
     "moduleResolution": "node",
     "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
     "noUnusedLocals": true,
     "sourceMap": true,
     "jsx": "react",