diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 3ce84f4..9aa731c 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/npmextra',
-  version: '4.0.13',
+  version: '4.0.14',
   description: 'do more with npm'
 }
diff --git a/ts/npmextra.classes.appdata.ts b/ts/npmextra.classes.appdata.ts
index 2f2b5da..668314b 100644
--- a/ts/npmextra.classes.appdata.ts
+++ b/ts/npmextra.classes.appdata.ts
@@ -99,4 +99,9 @@ export class AppData {
       console.log('All mandatory keys are present in the appdata');
     }
   }
+
+  public async waitForKeysPresent(keysArg: string[]) {
+    await this.readyDeferred.promise;
+    await this.kvStore.waitForKeysPresent(keysArg);
+  }
 }
diff --git a/ts/npmextra.classes.keyvaluestore.ts b/ts/npmextra.classes.keyvaluestore.ts
index 6ec38c2..c9107ca 100644
--- a/ts/npmextra.classes.keyvaluestore.ts
+++ b/ts/npmextra.classes.keyvaluestore.ts
@@ -167,7 +167,7 @@ export class KeyValueStore {
     return Array.from(this.mandatoryKeys).filter(key => !(key in this.dataObject));
   }
 
-  public async waitForKeysPresent(keysArg: []): Promise<void> {
+  public async waitForKeysPresent(keysArg: string[]): Promise<void> {
     const missingKeys = keysArg.filter(keyArg => !this.dataObject[keyArg]);
     if (missingKeys.length === 0) {
       return;