What are the steps to implement the require function in your website?

I created a page for routes that I attempted to run on Visual Studio Code's live server but was unsuccessful due to issues with the require functions. It is essential for me to utilize this feature for navigating through different profile pages. (I have had success running everything via terminal using node routes.js and linking all my js and css files within the static directory)

const path = require('path');
const express = require('express');
const app = express();

app.use('/static', express.static('public'))

app.get('/user=:username', function (req, res) {
    res.sendFile(path.join(__dirname + '/profile.html'));
});

I tried searching for "How to use require function on local server" and "How to use require function on website" but couldn't find any relevant information after scrolling through several pages for each query. Can anyone provide assistance? Thank you, I hope I explained everything clearly.

Answer №1

Using `require` is not native vanilla JavaScript syntax; it is specific to CommonJS for importing and using modules. To import modules in your vanilla JavaScript web application, you should utilize ES6 module syntax.

Note: It may be necessary to transpile this code for compatibility with older browsers due to its ES6 nature.

Firstly, when attempting to import 'path', ensure that you have the appropriate node types installed in your application. Run the following command to do so:

npm install --save-dev @types/node

Next, import 'path' by using:

import * as path from 'path';

Then, for importing express:

import express from 'express';

If additional assistance with scaffolding is needed, consider using the following command:

npx express-generator your-project-name --no-view

Edit:

Additional information:

  1. All imports must appear at the top of your JS file before any other JS code.

  2. Remember to specify the script type as module:

    <script type="module" src="app.js"> </script>
    in your HTML.

For further reference, check out: https://www.freecodecamp.org/news/how-to-use-es6-modules-and-why-theyre-important-a9b20b480773/

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