Upgraded deps (#12)

Author: erikras

.babelrc

@@ -0,0 +1,35 @@
+const { NODE_ENV } = process.env
+const test = NODE_ENV === 'test'
+const loose = true
+
+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        loose,
+        ...(test ? { targets: { node: '8' } } : {})
+      }
+    ],
+    '@babel/preset-react',
+    '@babel/preset-flow'
+  ],
+  plugins: [
+    '@babel/plugin-transform-flow-strip-types',
+    '@babel/plugin-syntax-dynamic-import',
+    '@babel/plugin-syntax-import-meta',
+    ['@babel/plugin-proposal-class-properties', { loose }],
+    '@babel/plugin-proposal-json-strings',
+    [
+      '@babel/plugin-proposal-decorators',
+      {
+        legacy: true
+      }
+    ],
+    '@babel/plugin-proposal-function-sent',
+    '@babel/plugin-proposal-export-namespace-from',
+    '@babel/plugin-proposal-numeric-separator',
+    '@babel/plugin-proposal-throw-expressions',
+    test && '@babel/plugin-transform-react-jsx-source'
+  ].filter(Boolean)
+}

.babelrc.js

@@ -1,6 +1,8 @@
 {
   "extends": "react-app",
   "rules": {
-    "jsx-a11y/href-no-hash": 0
+    "jsx-a11y/href-no-hash": 0,
+    "react-hooks/rules-of-hooks": "error",
+    "react-hooks/exhaustive-deps": "warn"
   }
 }