我正在尝试在Ubuntu的wsl2实例上运行一个简单的MERN应用程序。我正在遵循这个指南。这是我在server.js
中的代码(它与指南中的代码略有不同,因为body-parser已被弃用。使用来自这篇帖子的建议,我已更改了那些方法)。
const express = require("express");
const mongoose = require("mongoose");
// Setup express app
const app = express();
app.use(
express.urlencoded({
extended: false
})
);
app.use(express.json());
// Configure Mongo
const db = "mongodb://localhost/313-demo-mern-db";
// Connect to Mongo with Mongoose
mongoose
.connect(
db,
{ useNewUrlParser: true }
)
.then(() => console.log("Mongo connected"))
.catch(err => console.log(err));
// Specify the Port where the backend server can be accessed and start listening on that port
const port = process.env.PORT || 5000;
app.listen(port, () => console.log(`Server up and running on port ${port}.`));
我运行着一个MongoDB数据库,当前它在“等待在27017端口上的连接”。当我运行命令node server.js
时,出现了错误。
/home/NAME/learnreact/MERN-demo/node_modules/whatwg-url/dist/encoding.js:2
const utf8Encoder = new TextEncoder();
^
ReferenceError: TextEncoder is not defined
at Object.<anonymous> (/home/NAME/learnreact/MERN-demo/node_modules/whatwg-url/dist/encoding.js:2:21)
at Module._compile (internal/modules/cjs/loader.js:778:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
at Function.Module._load (internal/modules/cjs/loader.js:585:3)
at Module.require (internal/modules/cjs/loader.js:692:17)
at require (internal/modules/cjs/helpers.js:25:18)
at Object.<anonymous> (/home/NAME/learnreact/MERN-demo/node_modules/whatwg-url/dist/url-state-machine.js:5:34)
at Module._compile (internal/modules/cjs/loader.js:778:30)