refactor: add better typings for sern event modules

src/core/contracts/module-manager.ts

@@ -1,13 +1,15 @@
-import { CommandMeta, CommandModule, Module } from '../types/modules';
+import { CommandType } from '../structures';
+import { CommandMeta, CommandModule, CommandModuleDefs, Module } from '../types/modules';
 
 /**
  * @since 2.0.0
  */
 export interface ModuleManager {
     get(id: string): string | undefined;
-    getMetadata(m: Module): CommandMeta;
+    getMetadata(m: Module): CommandMeta|undefined;
     setMetadata(m: Module, c: CommandMeta): void;
     set(id: string, path: string): void;
     getPublishableCommands(): Promise<CommandModule[]>;
+    getByNameCommandType<T extends CommandType>(name: string, commandType: T): Promise<CommandModuleDefs[T]>|undefined;
     remove(id: string): boolean;
 }

src/core/structures/services/module-manager.ts

@@ -1,6 +1,8 @@
+import { uniqueId } from '../../../handler/id';
 import { CoreModuleStore, ModuleManager } from '../../contracts';
 import { importModule } from '../../module-loading';
-import { CommandMeta, CommandModule, Module } from '../../types/modules';
+import { CommandMeta, CommandModule, CommandModuleDefs, Module } from '../../types/modules';
+import { CommandType } from '../enums';
 /**
  * @internal
  * @since 2.0.0
@@ -8,6 +10,15 @@ import { CommandMeta, CommandModule, Module } from '../../types/modules';
  */
 export class DefaultModuleManager implements ModuleManager {
     constructor(private moduleStore: CoreModuleStore) {}
+
+    getByNameCommandType<T extends CommandType>(name: string, commandType: T) {
+        const id = this.get(`${name}_${uniqueId(commandType)}`);
+        if(!id) {
+            return undefined;
+        }
+        return importModule<CommandModuleDefs[T]>(id);
+    }
+
     setMetadata(m: Module, c: CommandMeta): void {
         this.moduleStore.metadata.set(m, c);
     }

src/handler/sern.ts

@@ -38,7 +38,7 @@ export function init(wrapper: Wrapper) {
     startReadyEvent(dependencies, getFullPathTree(wrapper.commands, mode))
     .add(() => {
         const time = ((performance.now() - startTime) / 1000).toFixed(2);
-        dependencies[0].emit('modulesLoaded');
+        dependencies[0].emit('modulesLoaded' );
         logger?.info({
             message: `sern: registered all modules in ${time} s`,
         });

src/shared.ts

@@ -21,7 +21,7 @@ export interface SernEventsMapping {
     'module.activate': [Payload];
     error: [Payload];
     warning: [Payload];
-    'modulesLoaded' : [];
+    'modulesLoaded': [never?];
 }
 
 export type Awaitable<T> = PromiseLike<T> | T;