nextjs useContext | Next.js | Page 1

narrow salmonBOT Dec 5, 2023, 9:49 AM

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Hi @regal badger. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

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Based on the information provided in the extracts, you can use the useContext hook in Next.js to manage user registration across multiple pages. Here's a general idea of how you can do it:

Create a Context for User Information: You first need to create a context that will hold your user information. This is done using the createContext function from React.

import { createContext } from 'react';
export const UserContext = createContext(null);

(Source: Vercel Guide (https://vercel.com/guides/add-auth-to-nextjs-with-magic))

Provide the Context: You then need to provide this context in your application. This is typically done in your _app.js file. You can use the useState hook to create a state for the user information.

import { useState } from 'react';
import { UserContext } from '@/lib/UserContext';

export default function App({ Component, pageProps }) {
  const [user, setUser] = useState();
  return (
    <UserContext.Provider value={[user, setUser]}>
      <Component {...pageProps} />
    </UserContext.Provider>
  );
}

(Source: Vercel Guide (https://vercel.com/guides/add-auth-to-nextjs-with-magic))

Use the Context: In your registration pages, you can then use the useContext hook to access and update the user information.

import { useContext } from 'react';
import { UserContext } from '@/lib/UserContext';

export default function RegistrationPage() {
  const [user, setUser] = useContext(UserContext);
  // You can now use `user` and `setUser` in your component
}

(Source: Vercel Guide (https://vercel.com/guides/add-auth-to-nextjs-with-magic))

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Please note that this is a general guide and you might need to adjust the code to fit your specific use case. For example, you might need to create additional states for ID validation and biometrics.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@regal badger kapa.ai is still learning and improving, please let us know how it did by reacting below

regal badger Dec 7, 2023, 5:37 AM

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@narrow salmon // This approach is taken from https://github.com/vercel/next.js/tree/canary/examples/with-mongodb
import { MongoClient } from 'mongodb';

const uri = process.env.MONGODB_URI;
const options = {
useUnifiedTopology: true,
useNewUrlParser: true,
};

let client;
let clientPromise;

if (!process.env.MONGODB_URI) {
throw new Error('Please add your Mongo URI to .env.local');
}

if (process.env.NODE_ENV === 'development') {
// In development mode, use a global variable so that the value
// is preserved across module reloads caused by HMR (Hot Module Replacement).
if (!global._mongoClientPromise) {
client = new MongoClient(uri, options);
global._mongoClientPromise = client.connect();
}
clientPromise = global._mongoClientPromise;
} else {
// In production mode, it's best to not use a global variable.
client = new MongoClient(uri, options);
clientPromise = client.connect();
}

// Export a module-scoped MongoClient promise. By doing this in a
// separate module, the client can be shared across functions.
export default clientPromise;

can you recode my code in typscript

GitHub

next.js/examples/with-mongodb at canary · vercel/next.js

The React Framework. Contribute to vercel/next.js development by creating an account on GitHub.

narrow salmonBOT Dec 7, 2023, 5:37 AM

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Let me check the knowledge base for you. One moment! :books:

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Sure, here's how you can rewrite your MongoDB connection code in TypeScript:

import { MongoClient, MongoClientOptions } from 'mongodb';

const uri: string = process.env.MONGODB_URI || '';
const options: MongoClientOptions = {
  useUnifiedTopology: true,
  useNewUrlParser: true,
};

let client: MongoClient;
let clientPromise: Promise<MongoClient>;

if (!process.env.MONGODB_URI) {
  throw new Error('Please add your Mongo URI to .env.local');
}

if (process.env.NODE_ENV === 'development') {
  // In development mode, use a global variable so that the value
  // is preserved across module reloads caused by HMR (Hot Module Replacement).
  if (!global._mongoClientPromise) {
    client = new MongoClient(uri, options);
    global._mongoClientPromise = client.connect();
  }
  clientPromise = global._mongoClientPromise;
} else {
  // In production mode, it's best to not use a global variable.
  client = new MongoClient(uri, options);
  clientPromise = client.connect();
}

// Export a module-scoped MongoClient promise. By doing this in a
// separate module, the client can be shared across functions.
export default clientPromise;

Please note that you need to install the @types/node and @types/mongodb packages to get the TypeScript definitions for Node.js and MongoDB respectively. You can install them using npm:

npm install --save-dev @types/node @types/mongodb

Also, remember to set `"esModuleInterop": true` in your `tsconfig.json` file to enable default imports in TypeScript.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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@regal badger kapa.ai is still learning and improving, please let us know how it did by reacting below

regal badger Dec 7, 2023, 5:40 AM

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@narrow salmon i have an error Type '{ useUnifiedTopology: boolean; useNewUrlParser: boolean; }' is not assignable to type 'MongoClientOptions'.
Object literal may only specify known properties, and 'useUnifiedTopology' does not exist in type 'MongoClientOptions'. and also
Element implicitly has an 'any' type because type 'typeof globalThis' has no index signature.ts(7017)

narrow salmonBOT Dec 7, 2023, 5:40 AM

#

Let me check the knowledge base for you. One moment! :books:

#

The error message you're seeing is due to a mismatch between the options you're providing and the options expected by the MongoClient constructor. The useUnifiedTopology and useNewUrlParser options are not recognized as valid MongoClientOptions.

This could be due to a version mismatch between your MongoDB driver and the @types/mongodb package. Make sure that both are up-to-date and compatible with each other.

As for the second error, TypeScript is complaining because it doesn't know what type the global object is. You can fix this by declaring a global variable with a specific type. Here's how you can do it:

declare global {
  namespace NodeJS {
    interface Global {
      _mongoClientPromise: Promise<MongoClient>;
    }
  }
}

This tells TypeScript that the global object has a _mongoClientPromise property of type Promise<MongoClient>. Now you can use global._mongoClientPromise in your code without TypeScript complaining.

Remember to import MongoClient at the top of your file:

import { MongoClient } from 'mongodb';

Please note that these are general solutions and might need to be adjusted based on your specific setup and versions of MongoDB and TypeScript.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@regal badger kapa.ai is still learning and improving, please let us know how it did by reacting below

regal badger Dec 12, 2023, 5:29 AM

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@narrow salmon
const res = await fetch('https://data.mongodb-api.com/...', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'API-Key': process.env.DATA_API_KEY!,
},
body: JSON.stringify({ time: new Date().toISOString() }),
})

what is the meaning of @ in 'API-Key': process.env.DATA_API_KEY!,

narrow salmonBOT Dec 12, 2023, 5:29 AM

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Let me check the knowledge base for you. One moment! :books:

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The ! symbol in process.env.DATA_API_KEY! is a TypeScript non-null assertion operator. It's used to tell TypeScript that the expression preceding it is not null or undefined.

In this case, process.env.DATA_API_KEY! is telling TypeScript that process.env.DATA_API_KEY will definitely provide a value and will not be null or undefined.

This is useful when you're sure that a value will be present, but TypeScript's static typing can't infer this. However, use it with caution because it tells TypeScript to skip the null/undefined check, and if the value is actually `null` or `undefined`, it will cause a runtime error.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@regal badger kapa.ai is still learning and improving, please let us know how it did by reacting below

regal badger Dec 12, 2023, 6:49 AM

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@narrow salmon why am i still having a status of 200
'use server';

type Props = {
password: string;
userId: string;
};

export default async function changePassword({ password, userId }: Props) {
try {
const response = await fetch(
${process.env.NEXTAUTH_URL}/users/${userId}/password-change,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
'api-secret': process.env.NEXT_API_KEY!,
},
body: JSON.stringify({ password }),
},
);

console.log(response);

} catch (error) {
console.log(error);
}
}

import bcrypt from 'bcrypt';
import dbConnect from 'src/lib/mongodb/mongoose';
import { ObjectId } from 'mongodb';

// models
import Users from '@models/user.model';

// middleware
import validateApiKey from '@middlewares/validateApi';

export async function PUT(
request: Request,
{ params }: { params: { userId: string } },
) {
await dbConnect();

// const { password } = await request.json();

// const apiKeyValidationResult = validateApiKey();

return Response.json({ message: 'yeah', status: 500 }, { status: 500 });

// if (apiKeyValidationResult !== null) {
// return apiKeyValidationResult;
// }

// const hashedPassword = await bcrypt.hash(password, 10);

// try {
// await Users.findOneAndUpdate(
// { _id: new ObjectId(params.userId) },
// { password: hashedPassword },
// );

// return Response.json('Successfuly update password!', { status: 200 });
// } catch (error) {
// return Response.json(error: ${error}, { status: 500 });
// }
}

narrow salmonBOT Dec 12, 2023, 6:49 AM

#

Let me check the knowledge base for you. One moment! :books:

#

The status code of 200 is being returned because the Response.json method in your PUT function is set to return a status of 200 by default if no status is specified.

In your code, you have commented out the part where you handle the request and update the password. Instead, you are returning a response with a status of 500 directly:

return Response.json({ message: 'yeah', status: 500 }, { status: 500 });

However, the console.log(response); in your changePassword function will print out the entire response object, which includes a lot of information, not just the status code. If you want to log only the status code, you should use console.log(response.status);.

If you want the status code to reflect the actual result of the operation (i.e., whether the password change was successful or not), you should uncomment the part of the code where you handle the request and update the password. Then, based on whether the operation was successful or not, you can return a response with the appropriate status code.

Here's how you can do it:

try {
  await Users.findOneAndUpdate(
    { _id: new ObjectId(params.userId) },
    { password: hashedPassword },
  );

  return Response.json('Successfully update password!', { status: 200 });
} catch (error) {
  return Response.json(`error: ${error}`, { status: 500 });
}

In this code, if the password update is successful, a response with a status of 200 is returned. If an error occurs, a response with a status of 500 is returned.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

#

@regal badger kapa.ai is still learning and improving, please let us know how it did by reacting below

regal badger Dec 12, 2023, 6:51 AM

#

@narrow salmon this is my api code import bcrypt from 'bcrypt';
import dbConnect from 'src/lib/mongodb/mongoose';
import { ObjectId } from 'mongodb';

// models
import Users from '@models/user.model';

// middleware
import validateApiKey from '@middlewares/validateApi';

export async function PUT(
request: Request,
{ params }: { params: { userId: string } },
) {
await dbConnect();

const { password } = await request.json();

const apiKeyValidationResult = validateApiKey();

if (apiKeyValidationResult !== null) {
return apiKeyValidationResult;
}

const hashedPassword = await bcrypt.hash(password, 10);

try {
await Users.findOneAndUpdate(
{ _id: new ObjectId(params.userId) },
{ password: hashedPassword },
);

return Response.json('Successfuly update password!', { status: 200 });

} catch (error) {
return Response.json(error: ${error}, { status: 500 });
}
}

and this is my action

'use server';

type Props = {
password: string;
userId: string;
};

export default async function changePassword({ password, userId }: Props) {
try {
const response = await fetch(
${process.env.NEXTAUTH_URL}/users/${userId}/password-change,
{
method: 'PUT',
headers: {
'Content-Type': 'application/json',
'api-secret': process.env.NEXT_API_KEY!,
},
body: JSON.stringify({ password }),
},
);

console.log(response);

} catch (error) {
console.log(error);
}
}

narrow salmonBOT Dec 12, 2023, 6:51 AM

#

Let me check the knowledge base for you. One moment! :books:

#nextjs useContext

Please note that this is a general guide and you might need to adjust the code to fit your specific use case. For example, you might need to create additional states for ID validation and biometrics.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

Also, remember to set "esModuleInterop": true in your tsconfig.json file to enable default imports in TypeScript.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

Please note that these are general solutions and might need to be adjusted based on your specific setup and versions of MongoDB and TypeScript.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

This is useful when you're sure that a value will be present, but TypeScript's static typing can't infer this. However, use it with caution because it tells TypeScript to skip the null/undefined check, and if the value is actually null or undefined, it will cause a runtime error.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

In this code, if the password update is successful, a response with a status of 200 is returned. If an error occurs, a response with a status of 500 is returned.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

Also, remember to set `"esModuleInterop": true` in your `tsconfig.json` file to enable default imports in TypeScript.

This is useful when you're sure that a value will be present, but TypeScript's static typing can't infer this. However, use it with caution because it tells TypeScript to skip the null/undefined check, and if the value is actually `null` or `undefined`, it will cause a runtime error.