fix(core): update

ts/smartsitemap.classes.smartsitemap.ts

@@ -1,5 +1,5 @@
 import { SitemapNews } from './smartsitemap.classes.sitemapnews';
-import { SitemapWebsite } from './smartsitemap.classes.sitemapwebsite';
+import { IUrlInfo, SitemapWebsite } from './smartsitemap.classes.sitemapwebsite';
 import * as plugins from './smartsitemap.plugins';
 import * as interfaces from './interfaces';
 
@@ -18,7 +18,7 @@ export class SmartSitemap {
   /**
    * creates a normal sitemap from a list of urls
    */
-  public async createSitemapFromYmlString(yamlString: string) {
+  public async createSitemapFromYmlString(yamlString: string): Promise<string> {
     const yamlObject: interfaces.ISitemapYaml = await plugins.smartyaml.yamlStringToObject(yamlString);
     const sitemapWebsite = new SitemapWebsite();
     for(const urlArg of yamlObject.daily) {
@@ -28,5 +28,17 @@ export class SmartSitemap {
         frequency: 'daily'
       });
     }
+    return sitemapWebsite.exportSitemapXml();
+  }
+
+  /**
+   * creates a normal sitemap from a list of urls
+   */
+  public async createSitemapFromUrlInfoArray(urlInfosArg: IUrlInfo[]) {
+    const sitemapWebsite = new SitemapWebsite();
+    for(const urlInfo of urlInfosArg) {
+      sitemapWebsite.addUrl(urlInfo);
+    }
+    return sitemapWebsite.exportSitemapXml();
   }
 }