Automatic action resolving with decorators and magic

src/Action/ActionController.ts

@@ -1,6 +1,35 @@
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
+import { GameState } from '../Storage/GameState';
+import Scheduler from '../Scheduler';
 
-export default abstract class ActionController {
-    abstract async run(args: Args, task: Task);
+const actionMap: { [name: string]: Function | undefined } = {};
+
+export function registerAction(constructor: Function) {
+    console.log('REGISTER ACTION', constructor.name);
+    actionMap[constructor.name] = constructor;
+}
+
+export function createAction(
+    name: string,
+    state: GameState,
+    scheduler: Scheduler
+): ActionController | undefined {
+    const storedFunction = actionMap[name];
+    if (storedFunction === undefined) {
+        return undefined;
+    }
+    const constructor = (storedFunction as unknown) as typeof ActionController;
+    return new constructor(state, scheduler);
+}
+
+export class ActionController {
+    protected state: GameState;
+    protected scheduler: Scheduler;
+    constructor(state: GameState, scheduler: Scheduler) {
+        this.state = state;
+        this.scheduler = scheduler;
+    }
+
+    async run(args: Args, task: Task) {}
 }

src/Action/CheckBuildingRemainingTimeAction.ts

@@ -1,11 +1,10 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
 import { BuildingQueueFullError } from '../Errors';
 
-export default class CheckBuildingRemainingTimeAction extends ActionController {
-    static NAME = 'check_building_remaining_time';
-
+@registerAction
+export class CheckBuildingRemainingTimeAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         const timer = jQuery('.buildDuration .timer');
         if (timer.length === 1) {

src/Action/ClickButtonAction.ts

@@ -1,9 +1,9 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
 
-export default class ClickButtonAction extends ActionController {
-    static NAME = 'click_button';
+@registerAction
+export class ClickButtonAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         const el = jQuery(args.selector);
         if (el.length === 1) {

src/Action/CompleteTaskAction.ts

@@ -1,16 +1,9 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
-import Scheduler from '../Scheduler';
 
-export default class CompleteTaskAction extends ActionController {
-    static NAME = 'complete_task';
-    private scheduler: Scheduler;
-
-    constructor(scheduler: Scheduler) {
-        super();
-        this.scheduler = scheduler;
-    }
+@registerAction
+export class CompleteTaskAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         this.scheduler.completeTask(task.id);
     }

src/Action/GoToPageAction.ts

@@ -1,9 +1,9 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
 
-export default class GoToPageAction extends ActionController {
-    static NAME = 'go_to_page';
+@registerAction
+export class GoToPageAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         window.location.assign(args.path);
     }

src/Action/GrabHeroAttributesAction.ts

@@ -1,18 +1,10 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
 import { ActionError } from '../Errors';
-import { GameState } from '../Storage/GameState';
-
-export default class GrabHeroAttributesAction extends ActionController {
-    static NAME = 'grab_hero_attributes';
-    private state: GameState;
-
-    constructor(state: GameState) {
-        super();
-        this.state = state;
-    }
 
+@registerAction
+export class GrabHeroAttributesAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         const healthElement = jQuery(
             '#attributes .attribute.health .powervalue .value'

src/Action/SendOnAdventureAction.ts

@@ -1,7 +1,6 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { Task } from '../Storage/TaskQueue';
-import { GameState } from '../Storage/GameState';
 import { trimPrefix } from '../utils';
 import { AbortTaskError } from '../Errors';
 
@@ -13,15 +12,8 @@ interface Adventure {
     level: number;
 }
 
-export default class SendOnAdventureAction extends ActionController {
-    static NAME = 'send_on_adventure';
-    private state: GameState;
-
-    constructor(state: GameState) {
-        super();
-        this.state = state;
-    }
-
+@registerAction
+export class SendOnAdventureAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         const adventures = this.findAdventures();
 

src/Action/UpgradeBuildingAction.ts

@@ -1,11 +1,10 @@
-import ActionController from './ActionController';
+import { ActionController, registerAction } from './ActionController';
 import { Args } from '../Common';
 import { TryLaterError } from '../Errors';
-import Scheduler from '../Scheduler';
 import { Task } from '../Storage/TaskQueue';
 
-export default class UpgradeBuildingAction extends ActionController {
-    static NAME = 'upgrade_building';
+@registerAction
+export class UpgradeBuildingAction extends ActionController {
     async run(args: Args, task: Task): Promise<any> {
         const btn = jQuery(
             '.upgradeButtonsContainer .section1 button.green.build'