feat: add backend

config/elasticsearch-b-tu.ts

@@ -0,0 +1,30 @@
+import { ElasticsearchConfigFile } from '../src/storage/elasticsearch/Elasticsearch';
+
+/**
+ * A partial type which is recursive
+ *
+ * Copied and only modified array type from `[]` to `Array<>` from https://stackoverflow.com/a/51365037
+ */
+type RecursivePartial<T> = {
+  [P in keyof T]?:
+    T[P] extends Array<(infer U)> ? Array<RecursivePartial<U>> :
+    T[P] extends object ? RecursivePartial<T[P]> :
+    T[P];
+};
+
+/**
+ * This is the database configuration for the technical university of berlin
+ */
+const config: RecursivePartial<ElasticsearchConfigFile> = {
+  internal: {
+    database: {
+      name: 'elasticsearch',
+      query: {
+        minMatch: '60%',
+        queryType: 'query_string',
+      },
+    },
+  },
+};
+
+export default config;