use .eslintrc.js

.eslintrc.js

@@ -0,0 +1,31 @@
+const OFF = 0;
+const WARNING = 1;
+const ERROR = 2;
+
+module.exports = {
+  extends: [
+    'fbjs', // eslint-config-fbjs
+    'prettier' // eslint-config-prettier
+  ],
+  overrides: [
+    {
+      files: ['lib/**/*.js'],
+      rules: {
+        // allow console
+        'no-console': OFF,
+        // require radix argument in parseInt
+        'radix': ERROR,
+        // disallow unused vars
+        'no-unused-vars': ERROR,
+        // almost certainly a bug
+        'no-duplicate-case': ERROR,
+      }
+    },
+    {
+      files: ['examples/**/*.js'],
+      rules: {
+        'no-unused-vars': OFF
+      }
+    }
+  ]
+};

lib/server/readMetadata.js

@@ -356,7 +356,7 @@ function generateMetadataBlog() {
     });
 
   const sortedMetadatas = metadatas.sort(
-    (a, b) => parseInt(b.seconds) - parseInt(a.seconds)
+    (a, b) => parseInt(b.seconds, 10) - parseInt(a.seconds, 10)
   );
 
   fs.writeFileSync(