CODEWITHSUNDEEP
node.jsexpressbackend
Abhiskek Kumar
Abhiskek Kumar

Reputation: 13

node:internal/modules/cjs/loader:936 throw err; when running express.js

I was trying to make an express app following a tutorial.

But it gave an error of Cannot find module

PS C:\Users\abhis\Desktop\backend> cd .\express
PS C:\Users\abhis\Desktop\backend\express> ls

Directory: C:\Users\abhis\Desktop\backend\express

Mode LastWriteTime Length Name

-a---- 30-11-2022 04:33 279 app.js

PS C:\Users\abhis\Desktop\backend\express> node app.js node:internal/modules/cjs/loader:936 throw err; ^

Error: Cannot find module 'express' Require stack:

  • C:\Users\abhis\Desktop\backend\express\app.js at Function.Module._resolveFilename (node:internal/modules/cjs/loader:933:15) at Function.Module._load (node:internal/modules/cjs/loader:778:27) at Module.require (node:internal/modules/cjs/loader:1005:19) at require (node:internal/modules/cjs/helpers:102:18) at Object. (C:\Users\abhis\Desktop\backend\express\app.js:1:16) at Module._compile (node:internal/modules/cjs/loader:1103:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1157:10) at Module.load (node:internal/modules/cjs/loader:981:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12) { code: 'MODULE_NOT_FOUND', requireStack: [ 'C:\Users\abhis\Desktop\backend\express\app.js' ] } PS C:\Users\abhis\Desktop\backend\express>
app.js

```

```
const express= require ("express");
const app= express();
const port= 80;


app.get("/", (req, res)=> {  
  res.send("This is my first express app")
});

app.listen(port, ()=> {
    console.log(`The application started succesfully ${port}`)
});
```

```



  package.json

     ```

     ```
 {
  "name": "myapp",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "github"
  },
  "author": "abhishek kumar",
  "license": "ISC",
  "dependencies": {
    "express": "^4.18.2"
  }
}
```

```

Upvotes: 0

Views: 1893

Answers (1)

dreambold
dreambold

Reputation: 3070

Please try to run npm install and then npm start to run the project after updating package.json file

...
"scripts": {
    "start": "node app.js"
    "test": "echo \"Error: no test specified\" && exit 1"
  },
...

Upvotes: 0

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