Adding some debug messages

src/database/lock.ts

@@ -4,7 +4,7 @@ export default class DocumentLock {
    private locks = new Map<string, (() => void)[]>();
 
    getLocks() {
-      return Array.from(this.locks.keys())
+      return Array.from(this.locks.keys());
    }
 
    async lock(collection: string = "", document: string = "") {
@@ -12,17 +12,18 @@ export default class DocumentLock {
       let key = collection + "/" + document;
       let l = this.locks.get(key);
       if (l)
-         await new Promise(resolve => { l.push(resolve); this.locks.set(key, l) });
+         await new Promise((resolve) => {
+            l.push(resolve);
+            this.locks.set(key, l);
+         });
       else {
          l = [];
          this.locks.set(key, l);
       }
 
       return () => {
-         if (l.length > 0)
-            setImmediate(() => l.shift()());
-         else
-            this.locks.delete(key)
-      }
+         if (l.length > 0) setImmediate(() => l.shift()());
+         else this.locks.delete(key);
+      };
    }
-}
+}