RocketChat/Rocket.Chat

import { ServiceClassInternal } from '@rocket.chat/core-services';
import type { IUiKitCoreApp, IUiKitCoreAppService, UiKitCoreAppPayload } from '@rocket.chat/core-services';

const registeredApps = new Map<string, IUiKitCoreApp>();

const getAppModule = (appId: string) => {
    const module = registeredApps.get(appId);

    if (typeof module === 'undefined') {
        throw new Error('invalid service name');
    }

    return module;
};

export const registerCoreApp = (module: IUiKitCoreApp): void => {
    registeredApps.set(module.appId, module);
};

export class UiKitCoreAppService extends ServiceClassInternal implements IUiKitCoreAppService {
    protected name = 'uikit-core-app';

    async isRegistered(appId: string): Promise<boolean> {
        return registeredApps.has(appId);
    }

    async blockAction(payload: UiKitCoreAppPayload) {
        const { appId } = payload;

        const service = getAppModule(appId);
        if (!service) {
            return;
        }

        return service.blockAction?.(payload);
    }

    async viewClosed(payload: UiKitCoreAppPayload) {
        const { appId } = payload;

        const service = getAppModule(appId);
        if (!service) {
            return;
        }

        return service.viewClosed?.(payload);
    }

    async viewSubmit(payload: UiKitCoreAppPayload) {
        const { appId } = payload;

        const service = getAppModule(appId);
        if (!service) {
            return;
        }

        return service.viewSubmit?.(payload);
    }
}