@zerooneit/expressive-tea/decorators/module.js

A REST API over Express and Typescript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Module = void 0;
const express_1 = require("express");
const lodash_1 = require("lodash");
const DependencyInjection_1 = require("../services/DependencyInjection");
/**
 * @typedef {Object} ExpressiveTeaModuleProps
 * @property {Object[]} controllers Controllers Assigned to Module
 * @property {Object[]} providers Dependency Injection Providers
 * @property {string} mountpoint Endpoint part which Module it will use as root.
 */
/**
 * @module Decorators/Module
 */
/**
 * Module Decorator is a Class Decorator which is help to register a Module into Expressive Tea. A module is a
 * placeholder over a mountpoint. We can considerate a module like a container which provide isolation and modularity
 * for our project. This module can be mounted in different applications and will move all the controller routes too.
 * @decorator {ClassDecorator} Module - Module Class Register Decorator
 * @param {ExpressiveTeaModuleProps} options
 * @summary Module Decorator
 * @example
 * {REPLACE-AT}Module({
 *   controllers: [],
 *   providers: [],
 *   mountpoint: '/'
 * })
 * class Example {}
 */
function Module(options) {
    return (Module) => {
        return class extends Module {
            constructor(...args) {
                super(...args);
                this.router = (0, express_1.Router)();
                this.settings = options;
                (0, lodash_1.each)(this.settings.providers, P => DependencyInjection_1.default.setProvider(P));
                this.controllers = (0, lodash_1.map)(this.settings.controllers, C => new C());
            }
            __register(server) {
                (0, lodash_1.each)(this.controllers, c => c.__mount(this.router));
                server.use(this.settings.mountpoint, this.router);
            }
        };
    };
}
exports.Module = Module;