node-web-mvc/dist/servlets/models/Middlewares.js

node spring mvc

"use strict";
/**
 * @module Middlewares
 * @description 返回一个类似express中间件类型的中间件结果
 */
Object.defineProperty(exports, "__esModule", { value: true });
class Middlewares {
    execute(req, resp, fallback) {
        return new Promise((resolve, reject) => {
            const request = req.nativeRequest;
            const response = resp.nativeResponse;
            const middlewares = [
                ...this.middlewares,
                () => resolve(fallback === null || fallback === void 0 ? void 0 : fallback()),
            ];
            const handler = middlewares.reverse().reduce((next, middleware) => {
                return () => {
                    try {
                        middleware(request, response, (ex) => (ex ? reject(ex) : next()));
                    }
                    catch (ex) {
                        reject(ex);
                    }
                };
            });
            handler(request, response, resolve);
        });
    }
    constructor(middlewares) {
        this.middlewares = middlewares;
    }
}
exports.default = Middlewares;