feat: check data sources for required properties

gramps-graphql · Dec 18, 2017 · 34d1614 · 34d1614
1 parent d126dc5
commit 34d1614
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/lib/data-sources.js b/lib/data-sources.js
@@ -66,7 +66,14 @@ const loadDataSourceFromPath = dataSourcePath => {
   const src = require(dataSourcePath);
   const dataSource = src.default || src;
 
-  // TODO check for required properties.
+  if (!dataSource.namespace || !dataSource.context || !dataSource.typeDefs) {
+    error([
+      `Error: this data source is missing required properties:`,
+      dataSourcePath,
+    ]);
+
+    throw new Error('Invalid data source.');
+  }
 
   log(` -> successfully loaded ${dataSource.namespace}`);