fix(core): update

ts/smartnpm.classes.npmpackage.ts

@@ -2,8 +2,11 @@ import * as plugins from './smartnpm.plugins';
 import { NpmRegistry } from './smartnpm.classes.npmregistry';
 
 export class NpmPackage {
-  public static async createFromFullMetadata(npmRegistry: NpmRegistry, fullMetadata: plugins.packageJson.FullMetadata) {
-    const npmPackage = new NpmPackage();
+  public static async createFromFullMetadata(
+    npmRegistryArg: NpmRegistry,
+    fullMetadata: plugins.packageJson.FullMetadata
+  ) {
+    const npmPackage = new NpmPackage(npmRegistryArg);
     Object.assign(npmPackage, fullMetadata);
     return npmPackage;
   }
@@ -30,6 +33,11 @@ export class NpmPackage {
     email: 'npm@git.zone';
   };
   public maintainers: any = null;
+  public dist: {
+    integrity: string;
+    shasum: string;
+    tarball: string;
+  };
   public score: {
     final: number;
     detail: {
@@ -39,4 +47,17 @@ export class NpmPackage {
     };
   } = null;
   public searchScore: number = null;
+
+  public npmRegistry: NpmRegistry;
+  constructor(npmRegistryArg: NpmRegistry) {
+    this.npmRegistry = npmRegistryArg;
+  }
+
+  /**
+   * saves the package to disk
+   */
+  public async saveToDisk(targetDir: string) {
+    const smartarchiveInstance = new plugins.smartarchive.SmartArchive();
+    await smartarchiveInstance.extractArchiveFromUrl(this.dist.tarball, targetDir);
+  }
 }