feat: wip import resources

packages/server/src/services/Import/ImportableRegistry.ts

@@ -1,13 +1,18 @@
 import { camelCase, upperFirst } from 'lodash';
+import { Importable } from './Importable';
 
 export class ImportableRegistry {
   private static instance: ImportableRegistry;
-  private importables: Record<string, any>;
+  private importables: Record<string, Importable>;
 
   private constructor() {
     this.importables = {};
   }
 
+  /**
+   * Gets singleton instance of registry.
+   * @returns {ImportableRegistry}
+   */
   public static getInstance(): ImportableRegistry {
     if (!ImportableRegistry.instance) {
       ImportableRegistry.instance = new ImportableRegistry();
@@ -15,12 +20,22 @@ export class ImportableRegistry {
     return ImportableRegistry.instance;
   }
 
-  public registerImportable(resource: string, importable: any): void {
+  /**
+   * Registers the given importable service.
+   * @param {string} resource 
+   * @param {Importable} importable 
+   */
+  public registerImportable(resource: string, importable: Importable): void {
     const _resource = this.sanitizeResourceName(resource);
     this.importables[_resource] = importable;
   }
 
-  public getImportable(name: string): any {
+  /**
+   * Retrieves the importable service instance of the given resource name.
+   * @param {string} name 
+   * @returns {Importable}
+   */
+  public getImportable(name: string): Importable {
     const _name = this.sanitizeResourceName(name);
     return this.importables[_name];
   }