class router added and used.

src/scripts/lib/router.ts

@@ -0,0 +1,34 @@
+export class Router {
+  private DEFAULT_ACTION = 'default';
+  private readonly actions: Map<string, (...args: string[]) => void> = new Map();
+  private beforeRun: (action: string, args: string[]) => void = () => {};
+
+  constructor() {
+    this.add(this.DEFAULT_ACTION, () => {
+      console.log('Actions available:', [...this.actions.keys()]);
+    });
+  }
+
+  onBeforeRun(callback: (action: string, args: string[]) => void): this {
+    this.beforeRun = callback;
+    return this;
+  }
+
+  add(action: string, callback: (...args: string[]) => void) {
+    this.actions.set(action, callback);
+  }
+
+  run(args: string[]) {
+    const action = args[0] ?? this.DEFAULT_ACTION;
+    const optionalArgs = args.slice(1);
+
+    this.beforeRun(action, optionalArgs);
+
+    if (this.actions.has(action)) {
+      this.actions.get(action)!(...optionalArgs);
+    } else {
+      console.error(`Unknown action: ${action}`);
+      this.actions.get(this.DEFAULT_ACTION)!();
+    }
+  }
+}

src/scripts/tool.ts

@@ -7,30 +7,21 @@ import { createBaseWorldConfig } from '@/lib/config/world';
 import { createBaseTypesConfig } from '@/lib/config/types';
 import { createDummyDrawer } from '@/lib/drawer/dummy';
 import { CompoundsAnalyzer } from '@/lib/analysis/compounds';
+import { Router } from '@/scripts/lib/router';
 
-function router() {
-  const action = process.argv[2] ?? 'default';
-  const args = process.argv.slice(3);
-
-  switch (action) {
-    case 'test':
-      testAction(...args);
-      break;
-    case 'default':
-      defaultAction();
-      break;
-    default:
-      console.error(`Unknown action: ${action}`);
-      defaultAction();
-      break;
-  }
-}
-
-function defaultAction() {
-  console.log('Actions available:', ['test']);
-}
-
-function testAction(...args: string[]) {
+const router = new Router();
+
+router.onBeforeRun((action) => {
+  console.log('');
+  console.log('***********************');
+  console.log('** COMMAND LINE TOOL **');
+  console.log('***********************');
+  console.log('');
+  console.log(`Action to run: "${action}"`);
+  console.log('');
+})
+
+router.add('test', (...args: string[]) => {
   console.log('[START] test action', args);
 
   const worldConfig = createBaseWorldConfig();
@@ -58,6 +49,6 @@ function testAction(...args: string[]) {
   console.log(compounds.itemLengthByTypesSummary);
 
   console.log('[FINISH]');
-}
+});
 
-router();
+router.run(process.argv.slice(2));