recompile ns2 scripts if dependencies change

src/Script/Script.ts

@@ -31,6 +31,14 @@ export class Script {
     // This is only applicable for NetscriptJS
     module: any = "";
 
+    // The timestamp when when the script was last updated.
+    updateTimestamp: number = 0;
+
+    // Only used with NS2 scripts; the list of dependency script filenames. This is constructed
+    // whenever the script is first evaluated, and therefore may be out of date if the script
+    // has been updated since it was last run.
+    dependencies: string[] = [];
+
     // Amount of RAM this Script requres to run
     ramUsage: number = 0;
 
@@ -85,11 +93,17 @@ export class Script {
             }
     		this.filename = filenameElem!.value;
     		this.server = serverIp;
-    		this.updateRamUsage(otherScripts);
-            this.module = "";
+            this.updateRamUsage(otherScripts);
+            this.markUpdated();
     	}
     }
 
+    // Marks that this script has been updated. Causes recompilation of NS2 modules.
+    markUpdated() {
+        this.module = "";
+        this.updateTimestamp = Date.now();
+    }
+
     /**
      * Calculates and updates the script's RAM usage based on its code
      * @param {Script[]} otherScripts - Other scripts on the server. Used to process imports