Update dependencies and fix import paths for consistency

src/vm/module.class.ts

@@ -1,6 +1,6 @@
 import * as fs from "fs";
 
-export class Module {
+export class VModule {
   private name: string;
   private source: string;
 

src/vm/vm.class.ts

@@ -1,13 +1,13 @@
 import * as ivm from "isolated-vm";
-import { Module } from "./module.class";
+import { VModule } from "./module.class";
 
 export class Vm {
   private memoryLimit: number;
-  private modules: Module[];
+  private modules: VModule[];
   private context: any;
   private jail: any;
 
-  constructor(configs: { memoryLimit: number; modules: Module[] }) {
+  constructor(configs: { memoryLimit: number; modules: VModule[] }) {
     this.memoryLimit = configs.memoryLimit;
     this.modules = configs.modules;
   }
@@ -24,6 +24,10 @@ export class Vm {
     }
   }
 
+  setFunction(name: string, func: (...args) => any) {
+    this.jail.setSync(name, func);
+  }
+
   async runScript(script: string) {
     const compiledScript = await this.context.isolate.compileScript(script);
     return compiledScript.run(this.context);