app.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const express_1 = __importDefault(require("express"));
const cors_1 = __importDefault(require("cors"));
const path_1 = __importDefault(require("path"));
const cookie_parser_1 = __importDefault(require("cookie-parser"));
const morgan_1 = __importDefault(require("morgan"));
const swagger_ui_express_1 = __importDefault(require("swagger-ui-express"));
// @ts-ignore
const swagger_output_json_1 = __importDefault(require("./swagger_output.json"));
const index_1 = __importDefault(require("./routes/index"));
const app = (0, express_1.default)();
require("./connections/mongoDB");
app.use((0, cors_1.default)());
app.use((0, morgan_1.default)('dev'));
app.use(express_1.default.json());
app.use(express_1.default.urlencoded({ extended: false }));
app.use((0, cookie_parser_1.default)());
app.use(express_1.default.static(path_1.default.join(__dirname, 'public')));
app.use('/api/doc', swagger_ui_express_1.default.serve, swagger_ui_express_1.default.setup(swagger_output_json_1.default, { customCssUrl: '/swagger-ui.css' }));
process.on('uncaughtException', err => {
    // 記錄錯誤下來，等到服務都處理完後，停掉該 process
    console.error('Uncaughted Exception！');
    console.error(err);
    process.exit(1);
});
/**
 * Swagger-Autogen properties-inheritance
 * https://github.com/davibaltar/swagger-autogen#properties-inheritance
 */
app.use('/api', 
/*
    #swagger.security = [{ "bearerAuth": [] }]
    #swagger.responses[400] = {
        description: '一般錯誤訊息',
        content: {
            "application/json": {
                schema: { $ref: '#/definitions/ResponseErrorMsg' }
            }
        }
    }
    #swagger.responses[401] = {
        description: 'token 無效',
        content: {
            "application/json": {
                schema: { $ref: '#/definitions/ResponseInvalidToken' }
            }
        }
    }
    #swagger.responses[404] = {
        description: '無此路由',
        content: {
            "application/json": {
                schema: { $ref: '#/definitions/ResponseNotFoundPage' }
            }
        }
    }
    #swagger.responses[500] = {
        description: '重大錯誤，請後端查 log',
        content: {
            "application/json": {
                schema: { $ref: '#/definitions/ResponseServerErrorMsg' }
            }
        }
    }
    #swagger.responses[504] = {
        description: '伺服器繁忙中，請稍後在操作'
    }
*/
index_1.default);
app.use((req, res, next) => {
    const error = new Error('無此路由');
    error.statusCode = 404;
    error.isOperational = true;
    next(error);
});
const resErrorProd = (err, res) => {
    if (err.isOperational) {
        if (err.columns) {
            return res.status(err.statusCode).send({
                result: false,
                msg: err.message,
                columns: err.errors,
            });
        }
        return res.status(err.statusCode).send({
            result: false,
            msg: err.message,
        });
    }
    console.log('重大錯誤 => ', err);
    /**
     * Vercel
     * https://vercel.com/guides/using-express-with-vercel#standalone-express
     *
     * Notice that we added a setHeader line for our Cache-Control. This describes the lifetime of our resource, telling the CDN to serve from the cache and update in the background (at most once per second).
     */
    res.setHeader('Cache-Control', 's-max-age=1, stale-while-revalidate');
    res.status(err.statusCode).send({
        result: false,
        msg: '系統錯誤，請洽系統管理員',
    });
};
const resErrorDev = (err, res) => {
    res.status(err.statusCode).send({
        result: false,
        name: err.name,
        message: err.message,
        stack: err.stack,
        error: err,
    });
};
app.use((err, req, res, next) => {
    err.statusCode = err.statusCode || 500;
    if (err.message.indexOf('圖片檔案格式') !== -1) {
        err.statusCode = 400;
        err.isOperational = true;
    }
    if (process.env.NODE_ENV === 'development') {
        return resErrorDev(err, res);
    }
    if (err.name === 'ValidationError') {
        err.statusCode = 400;
        err.columns = err.errors;
        err.isOperational = true;
        return resErrorProd(err, res);
    }
    if (err.name === 'JsonWebTokenError' || err.name === 'TokenExpiredError') {
        err.message = '請重新登入帳號';
        err.statusCode = 401;
        err.isOperational = true;
        return resErrorProd(err, res);
    }
    if (err.name === 'MulterError') {
        err.statusCode = 400;
        err.isOperational = true;
        return resErrorProd(err, res);
    }
    if (err.name === 'TypeError') {
        err.statusCode = 400;
        err.isOperational = true;
        return resErrorProd(err, res);
    }
    if (err.name === 'CastError') {
        err.message = '傳入的值與伺服器定義型別有誤';
        err.statusCode = 400;
        err.isOperational = true;
        return resErrorProd(err, res);
    }
    if (err.name === 'SyntaxError') {
        err.message = err.message;
        err.statusCode = 400;
        err.isOperational = true;
        return resErrorProd(err, res);
    }
    resErrorProd(err, res);
});
process.on('unhandledRejection', (err, promise) => {
    console.error('未捕捉到的 rejection：', promise);
    console.error('unhandledRejection 原因：', err);
});
exports.default = app;