Nodemon 没有启动本地服务器?

Nodemon not starting local server?

我正在尝试 运行 我的 Express 项目,但它不会 execute.Following 是我的 package.json 文件

我正在终端中编写以下命令,但注意到发生了。仅供参考,我在正确的目录中

这是我的 index.js 文件

require("./models/User");
require("./models/Track");
const express = require("express");
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const authRoutes = require("./routes/authRoutes");
const trackRoutes = require("./routes/trackRoutes");

const requireAuth = require("./middlewares/requireAuth");

const app = express();

app.use(bodyParser.json());
app.use(authRoutes);
app.use(trackRoutes);

const mongoUri =
  "MY_MONGO_URL";
mongoose.connect(mongoUri, {
  useNewUrlParser: true,
  useCreateIndex: true
});

mongoose.connections.concat("connected", () => {
  console.log("Connected to mongo instance");
});

mongoose.connection.on("error", err => {
  console.error("Error connecting to mongo", err);
});

app.get("/", requireAuth, (req, res) => {
  res.send(`Your Email: ${req.user.email}`);
});

app.listen(3000, () => {
  console.log("Listening on Port 3000");
});

我建议按如下方式更改您的脚本:

"scripts": {
    "dev": "nodemon index.js"
 },

然后从项目的根目录启动服务器:

npm run dev

我必须使用 yarn run dev 因为我正在使用 yarn