javascript - how to resolve can not find module in node js - Stack Overflow

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I have my project at desktop. And i have deleted the node_modules folder and reinstall it. But it is not working. Please help me resolve it. I have tried other methods on stack-overflow but they are not working for me i don't know whats wrong. Please help for sake of my final project. my folder setup:

Ols
   +--app.js
   +--package.json
   +--package-lock.json
   +--views
            +--allejs
   +--public
            +--cs
            +---images
   +node_modules

var express = require("express");
var app = express();
var bodyParser = require("body-parser");
app.use(express.static("public"));
mongoose.connect("mongodb://localhost/ols");
app.use(bodyParser.urlencoded({extended: true}));
app.set("view engine", "ejs");


app.get("/", function(req, res) {
	res.render("ols");
});
app.get("/home", function(req, res) {
	res.render("ols");
});
app.get("/alLlaptops", function(req, res) {
	res.render("allLaptops");
});
app.get("/contact", function(req, res) {
	res.render("contact");
});
app.get("/signup", function(req, res) {
	res.render("signup");
});
app.get("/login", function(req, res) {
	res.render("login");
});
app.get("/addtocart", function(req, res) {
	res.render("addtocart");
});


app.listen(3000, function() {
	console.log("Server is listening!!!");
});

I have my project at desktop. And i have deleted the node_modules folder and reinstall it. But it is not working. Please help me resolve it. I have tried other methods on stack-overflow but they are not working for me i don't know whats wrong. Please help for sake of my final project. my folder setup:

Ols
   +--app.js
   +--package.json
   +--package-lock.json
   +--views
            +--allejs
   +--public
            +--cs
            +---images
   +node_modules

var express = require("express");
var app = express();
var bodyParser = require("body-parser");
app.use(express.static("public"));
mongoose.connect("mongodb://localhost/ols");
app.use(bodyParser.urlencoded({extended: true}));
app.set("view engine", "ejs");


app.get("/", function(req, res) {
	res.render("ols");
});
app.get("/home", function(req, res) {
	res.render("ols");
});
app.get("/alLlaptops", function(req, res) {
	res.render("allLaptops");
});
app.get("/contact", function(req, res) {
	res.render("contact");
});
app.get("/signup", function(req, res) {
	res.render("signup");
});
app.get("/login", function(req, res) {
	res.render("login");
});
app.get("/addtocart", function(req, res) {
	res.render("addtocart");
});


app.listen(3000, function() {
	console.log("Server is listening!!!");
});

 module.js:538
        throw err;
        ^
        Error: Cannot find module 'C:\Users\Haider Ali\Desktop\OLS\OLS\views\app.js'
                at Function.Module._resolveFilename (module.js:536:15)
                at Function.Module._load (module.js:466:25)
                at Function.Module.runMain (module.js:676:10)
                at startup (bootstrap_node.js:187:16)
                at bootstrap_node.js:608:3

• javascript
• node.js

Share Improve this question Follow edited Mar 2, 2018 at 11:25 CopyPaste asked Mar 2, 2018 at 10:08 CopyPasteCopyPaste 1111 gold badge11 silver badge44 bronze badges 3

• Possible duplicate of NPM global install "cannot find module" – Anis D Commented Mar 2, 2018 at 10:10
• Where are you running your start mand from in your file structure? It seems like you're inside the views directory, tried to run node app.js when in fact you need to be one level up. Can you give the print out of where you are in your directory structure, plus what all the files are inside that directory? – Elliot Blackburn Commented Mar 2, 2018 at 10:16
• structure is given in question – CopyPaste Commented Mar 2, 2018 at 11:26

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1 Answer 1

Sorted by: Reset to default 1

Check your package.json file. It looks like your app.js and the package.json are not in the same folder.

{
  "name": "final-project",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "scripts": {
    "start": "node app.js" // <--- node can't find app.js file
  },
  "keywords": [],
  "author": "",
  "license": "ISC"
}

You must change that to:

"scripts": {
    "start": "./views/app.js" // or wherever app.js file is
}

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