ms/packages/plugin/src/manager.ts

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import { plugin, server, MiaoScriptConsole } from '@ms/api'
import { injectable, inject, postConstruct, Container } from '@ms/container'
import * as fs from '@ms/common/dist/fs'
import { getPluginMetadatas } from './utils'
import { interfaces } from './interfaces';
@injectable()
export class PluginManagerImpl implements plugin.PluginManager {
@inject(plugin.PluginInstance)
private pluginInstance: any;
@inject(server.ServerType)
private serverType: string;
@inject(server.Console)
private Console: MiaoScriptConsole;
private pluginMap: Map<string, interfaces.Plugin>;
@postConstruct()
init() {
if (this.pluginInstance !== null) {
// 如果plugin不等于null 则代表是正式环境
console.info(`Initialization MiaoScript Plugin System: ${this.pluginInstance} ...`);
this.pluginMap = new Map();
}
}
scan(folder: string): void {
var plugin = fs.file(root, folder);
var files = []
// load common plugin
.concat(this.scanFloder(plugin))
// load space plugin
.concat(this.scanFloder(fs.file(plugin, this.serverType)))
this.loadPlugins(files);
}
load(container: Container): void {
this.buildPlugins(container);
}
enable(): void {
this.pluginMap.forEach(pl => this.runCatch(pl, 'load'));
this.pluginMap.forEach(pl => this.runCatch(pl, 'enable'));
}
disable(): void {
throw new Error("Method not implemented.");
}
private runCatch(pl: any, func: string) {
try {
pl[func].call(pl);
} catch (ex) {
console.console(`§6插件 §b${pl.description.name} §6执行 §d${func} §6方法时发生错误 §4${ex}`);
console.ex(ex);
}
}
private scanFloder(plugin: any): string[] {
var files = [];
console.info(`Start Scan Plugins in ${plugin} ...`);
this.checkUpdateFolder(plugin);
fs.list(plugin).forEach(function searchPlugin(file) {
files.push(file.toFile());
});
return files;
}
/**
*
* @param path
*/
private checkUpdateFolder(path) {
var update = fs.file(path, "update");
if (!update.exists()) {
update.mkdirs();
}
}
private loadPlugins(files: any[]): void {
this.loadJsPlugins(files);
}
/**
* JS类型插件预加载
*/
private loadJsPlugins(files: any[]) {
files.filter(file => file.name.endsWith(".js")).forEach(file => {
try {
this.loadPlugin(file)
} catch (ex) {
console.console(`§6插件 §b${file.name} §6初始化时发生错误 §4${ex.message}`);
console.ex(ex);
}
})
}
private loadPlugin(file: any) {
this.updatePlugin(file);
this.createPlugin(file);
}
private updatePlugin(file: any) {
var update = fs.file(fs.file(file.parentFile, 'update'), file.name);
if (update.exists()) {
console.info(`Auto Update Plugin ${file.name} ...`);
fs.move(update, file, true);
}
}
private createPlugin(file) {
//@ts-ignore
require(file, {
cache: false
});
}
private beforeLoadHook(origin) {
var result = origin;
// // 注入 console 对象 // 给插件注入单独的 console
// result += '\nvar console = new Console(); module.exports.console = console;';
// // 插件注入 self 对象
// result += '\nvar self = {}; module.exports.self = self;';
return result;
}
private buildPlugins(container: Container) {
let pluginMetadatas = getPluginMetadatas();
for (const metadata of pluginMetadatas) {
container.bind(plugin.Plugin).to(metadata.target).inSingletonScope().whenTargetNamed(metadata.name);
this.pluginMap.set(metadata.name, container.getNamed(plugin.Plugin, metadata.name));
let pluginInstance = this.pluginMap.get(metadata.name)
pluginInstance.description = metadata;
// @ts-ignore
pluginInstance.logger = new this.Console(metadata.name);
}
}
}