fix(core): update

ts/smartnpm.classes.npmregistry.ts

@@ -6,6 +6,7 @@ import { ISearchObject } from './smartnpm.interfaces';
 
 // classes
 import { NpmPackage } from './smartnpm.classes.npmpackage';
+import { RegistryCache } from './smartnpm.classes.registrycache';
 
 export interface INpmRegistryConstructorOptions {
   npmRegistryUrl?: string;
@@ -13,6 +14,7 @@ export interface INpmRegistryConstructorOptions {
 
 export class NpmRegistry {
   public options: INpmRegistryConstructorOptions;
+  public registryCache: RegistryCache;
   private searchDomain = 'https://api.npms.io/v2/search?q=';
 
   constructor(optionsArg: INpmRegistryConstructorOptions = {}) {
@@ -23,6 +25,7 @@ export class NpmRegistry {
       ...defaultOptions,
       ...optionsArg,
     };
+    this.registryCache = new RegistryCache(this);
   }
 
   /**
@@ -34,7 +37,11 @@ export class NpmRegistry {
       registryUrl: this.options.npmRegistryUrl,
       fullMetadata: true,
     });
-    const npmPackage = await NpmPackage.createFromFullMetadata(this, fullMetadata);
+    const versionData = await plugins.packageJson(packageName, {
+      registryUrl: this.options.npmRegistryUrl,
+      allVersions: true
+    });
+    const npmPackage = await NpmPackage.createFromFullMetadataAndVersionData(this, fullMetadata, versionData as any);
     return npmPackage;
   }
 
@@ -52,12 +59,26 @@ export class NpmRegistry {
   /**
    * gets a file from a package as Smartfile
    */
-  public async getFileFromPackage(packageNameArg: string, filePath: string): Promise<plugins.smartfile.Smartfile> {
-    const npmPackage = await this.getPackageInfo(packageNameArg);
-    return npmPackage.getFileFromPackage(filePath);
+  public async getFileFromPackage(packageNameArg: string, filePath: string, optionsArg?: {
+    distTag?: string;
+    version?: string;
+  }): Promise<plugins.smartfile.Smartfile> {
+    const fileId = `${this.options.npmRegistryUrl}//+//${packageNameArg}//+//${filePath}//+//${optionsArg?.distTag || optionsArg?.version}`;
+    const cachedFile: plugins.smartfile.Smartfile = await this.registryCache.getCachedFile(fileId);
+    if (!cachedFile) {
+      const npmPackage = await this.getPackageInfo(packageNameArg);
+      const fileResult = await npmPackage.getFileFromPackage(filePath, optionsArg);
+      this.registryCache.cacheSmartFile(fileId, fileResult);
+      return fileResult;
+    } else {
+      return cachedFile;
+    }
   }
 
   public async getPackageAsSmartfileVirtualDir(packageNameArg: string): Promise<plugins.smartfile.VirtualDirectory> {
+    /**
+     * TODO: rewrite as memory only
+     */
     const baseDir = plugins.path.join(paths.nogitDir, packageNameArg.replace('/', '__'));
     await plugins.smartfile.fs.ensureDir(baseDir);
     await this.savePackageToDisk(packageNameArg, baseDir);