astroboy/loader/AstroboyMiddlewareLoader.js

Astroboy（阿童木）is a Nodejs SFB(Separation of Front and Back ends) framework, built on koa2.

"use strict";
const path = require("path");
const lodash = require("lodash");
const Loader_1 = require("../core/Loader");
const util_1 = require("../core/lib/util");
class AstroboyMiddlewareLoader extends Loader_1.Loader {
    load() {
        // 加载中间件配置
        let middlewareConfig = {};
        this.globDirs(this.config.configPattern || [], entries => {
            entries.forEach(entry => {
                middlewareConfig = lodash.merge(middlewareConfig, require(entry));
            });
        });
        this.app.middlewareConfig = middlewareConfig;
        // 加载中间件
        let middlewares = {};
        this.globDirs(this.config.pattern || [], entries => {
            entries.forEach(entry => {
                const key = this.resolveExtensions(path.basename(entry));
                middlewares[key] = require(entry);
            });
        });
        this.app.middlewares = middlewares;
        // 生成中间件加载顺序
        let middlewareQueue = [];
        Object.keys(middlewareConfig).forEach(item => {
            middlewareQueue.push(Object.assign({
                priority: 300,
                name: item,
            }, middlewareConfig[item]));
        });
        middlewareQueue = middlewareQueue
            .filter(item => {
            return item.enable === true;
        })
            .sort((a, b) => {
            return a.priority - b.priority;
        });
        this.app.middlewareQueue = middlewareQueue;
        util_1.outputJsonSync(`${this.app.ROOT_PATH}/run/middlewares.json`, middlewareQueue);
    }
}
module.exports = AstroboyMiddlewareLoader;
//# sourceMappingURL=AstroboyMiddlewareLoader.js.map