Files
pronature-platform/backend/app/App.js
T

76 lines
1.8 KiB
JavaScript

import path, { dirname } from 'path';
import { fileURLToPath } from 'url';
/**
* Main backend application
*/
class App{
constructor(){
this.root = path.resolve(dirname(fileURLToPath(import.meta.url)) + '/../../');
}
/**
* The plugins used by the application
* @type {AppPlugin[]}
*/
plugins = [];
/**
* Declaration of plugin usage
* @param {AppPlugin} plugin The plugin to be used
*/
async use(plugin){
this[plugin.name] = plugin;
plugin.app = this;
this.plugins.push(plugin);
}
/**
* Initializes the application. All plugins are initialized at this stage
*/
async init(){
for (let p of this.plugins){
console.debug('Initializing', p.name)
if(p.init) await p.init(this);
}
}
/**
* Imports modules as plugins in the app by a given list
* @param {Array} modules Modules to be imported
*/
async importModules(modules){
const mods = {};
for (let m of modules){
mods[m.name] = (await import(`../${m.path}`))[m.name];
}
for (let m of modules){
this.use(new mods[m.name]())
}
}
/**
* Replaces a plugin
* @param {AppPlugin} p Plugin to be replaced
*/
async replace(p){
let old = this[p.name];
this.plugins[this.plugins.indexOf(old)] = p;
this[p.name] = p;
p.app = this;
if(p.init) await p.init(this);
}
/**
* Starts the application. All Plugins are started at this point
*/
async start(){
for (let p of this.plugins){
console.debug('Starting', p.name)
if(p.start) await p.start(this);
}
}
}
export default App;