Работа над WebWorker и DbSearcher

server/core/DbSearcher.js

@@ -0,0 +1,28 @@
+class DbSearcher {
+    constructor(db) {
+        this.db = db;
+    }
+
+    async search(query) {
+        const db = this.db;
+
+        let result = [];
+
+        if (query.author) {
+            //
+        } else {
+            result = await db.select({
+                table: 'author',
+                map: `(r) => ({id: r.id, author: r.author})`
+            });
+        }
+
+        if (query.limit) {
+            result = result.slice(0, query.limit);
+        }
+
+        return result;
+    }
+}
+
+module.exports = DbSearcher;