Initial commit

src/util/Enums.js

@@ -0,0 +1,13 @@
+'use strict';
+
+function createEnum(keys) {
+  const obj = {};
+  for (const [index, key] of keys.entries()) {
+    if (key === null) continue;
+    obj[key] = index;
+    obj[index] = key;
+  }
+  return obj;
+}
+
+module.exports = { createEnum };