The code compiles fine in my editor, but only shows up in my browser app:
import React, { useState } from 'react';
import mongoose from 'mongoose';
mongoose.connect(process.env.DATABASE_URL, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', () => {
console.log('Connected to the database');
});
const Index = () => {
const [postText, setPostText] = useState('');
const handleSubmit = (e) => {
e.preventDefault();
// add code here to handle form submission and create a post
setPostText('');
}
return (
<div>
<h1>Welcome to My Social Media App</h1>
<form onSubmit={handleSubmit}>
<textarea value={postText} onChange={(e) => setPostText(e.target.value)} placeholder="What's on your mind?"/>
<button type="submit">Post</button>
</form>
</div>
)
}
export default Index;
Unhandled Runtime Error TypeError: mongoose__WEBPACK_IMPORTED_MODULE_2___default(...).connect is not a function
I was just trying to get it to connect to my mongodb and honestly I tried a few things that were suggested to me by chatgpt because I am learning to code using it so I just asked it to fix it but it couldn't. I'm not sure what else I should say.
I got this error at first:
TypeError: mongoose.connect is not a function
so I tried:
This error is usually caused when you forget to import the mongoose module in your file. Please make sure you have the following line at the top of your file:
javascript Copy code
const mongoose = require("mongoose");
Additionally, make sure that you have installed the mongoose package in your project by running npm install mongoose.
and this:
The error is occurring because you are trying to call the connect function on the mongoose module, but mongoose has not been imported correctly.
Try changing this line:
javascript Copy code
const mongoose = require('mongoose');
to this:
python Copy code
import mongoose from 'mongoose';
This should resolve the error and allow you to connect to the MongoDB database using Mongoose.
then this:
The issue is that the mongoose module is being imported using the require statement which is commonly used for CommonJS modules. However, since you are using a Next.js application which is built using ES6 modules, you need to use the import statement instead:
javascript Copy code
import mongoose from 'mongoose';
mongoose.connect(process.env.DATABASE_URL, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', () => {
console.log('Connected to the database');
});
So, following Matt's comment, I fed his response to chatGPT and this is the code it spit out, which fixes the issue:
Here's how you can use getServerSideProps to fix the error in your code:
javascript Copy code
import React, { useState } from 'react';
import mongoose from 'mongoose';
const Index = () => {
const [postText, setPostText] = useState('');
const handleSubmit = (e) => {
e.preventDefault();
// add code here to handle form submission and create a post
setPostText('');
}
return (
<div>
<h1>Welcome to My Social Media App</h1>
<form onSubmit={handleSubmit}>
<textarea value={postText} onChange={(e) => setPostText(e.target.value)} placeholder="What's on your mind?"/>
<button type="submit">Post</button>
</form>
</div>
)
}
export async function getServerSideProps(context) {
await mongoose.connect(process.env.DATABASE_URL, {
useNewUrlParser: true,
useUnifiedTopology: true,
});
const db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
db.once('open', () => {
console.log('Connected to the database');
});
return {
props: {},
};
}
export default Index;
This way, the mongoose code will only run on the server-side and will not interfere with the client-side rendering.
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