add data model

lib/models/data.js

@@ -0,0 +1,32 @@
+
+import { Map } from 'immutable'
+
+/**
+ * Data.
+ *
+ * This isn't an immutable record, it's just a thin wrapper around `Map` so that
+ * we can allow for more convenient creation.
+ */
+
+const Data = {
+
+  /**
+   * Create a new `Data` with `properties`.
+   *
+   * @param {Object} properties
+   * @return {Data} data
+   */
+
+  create(properties = {}) {
+    return Map.isMap(properties)
+      ? properties
+      : new Map(properties)
+  }
+
+}
+
+/**
+ * Export.
+ */
+
+export default Data