Example test run for repl.it db
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Repl.it DB

Hello everyone! Repl.it just announced a new way to host your databases. They have created their own database type. It's unlike any other SQL/noSQL database: It is JSON based!!!

Links

Test run
Client code
NPM package
Github Code
Working "What do you think of node.js?" REPL

Node.js TUTORIAL

So, with help from @masfrost, I have created an npm package for it! It contains the native curl functions, and includes more (like emptying database, setting automatic types for values and more!) Also along the way, I learned testing with jest...
Also, I got the hacker plan!

Without further ado, here are the docs!

1) Click on the floppy disk:

This is the homepage for your database. You can view storage usage and amount of keys.

2) Click on the box icon:

Install replitdb-client.

3) Copy and paste this code into the editor (if all you want is a minimalistic template).

const Client = require("replitdb-client");
const client = new Client();


(async () => {
  // Add async/await methods here.
})();

4) Now, you are ready to set some commands! Inside the async function, you can do some methods. For our tutorial, we will make a what do you think of the node.js engine survey.

Some quick docs

Setting data

await client.set("<key>", "<value>")

getting data

await client.get("<key>", { raw: true|false })

you can leave out the raw part, but if you set raw to false, you will either get an object, or an error (the data wasn't valid json)
listing keys

await client.list("<optional beginsWith>")

getting all data as an object

await client.getAll()

delete data

await client.delete("<key>")

delete all data

await client.empty()

Easy, right?

5) Prompt

Add this to your code:

const readline = require("readline");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

rl.question("What do you think of node.js? ", async ans => {
  rl.question("What is your name? ", async name => {
    // TODO: Save to database
  })
})

This just gets our form ready. Remember the async because we are using await calls here.

6) Save to database

Quite easy. We just refer to our set method in the docs.

const Client = require("replitdb-client");
const client = new Client();
const readline = require("readline");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

rl.question("What do you think of node.js? ", async ans => {
  rl.question("What is your name? ", async name => {
    // Save
    await client.set(name, ans);
  })
})

7) Get all data

Now, we can use client.getAll to accomplish this!

const Client = require("replitdb-client");
const client = new Client();
const readline = require("readline");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

rl.question("What do you think of node.js? ", async ans => {
  rl.question("What is your name? ", async name => {
    // Save
    await client.set(name, ans);
    console.log("Thank you for your valuable input!");
    console.log("Previous users have said:");
    // Get all data
    let data = await client.getAll();
  })
})

8) Parse the data

Right now our data is just an object, let's make it human-readable!

const Client = require("replitdb-client");
const client = new Client();
const readline = require("readline");
const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

rl.question("What do you think of node.js? ", async ans => {
  rl.question("What is your name? ", async name => {
    // Save
    await client.set(name, ans);
    console.log("Thank you for your valuable input!");
    console.log("Previous users have said:");
    // Get all data
    let data = await client.getAll();
    for (const user in data) {
      console.log(user, "has said", data[user]);
    }
  })
})

9) And that's it! We have gone through almost all of what you will be using for a database (with delete as an exception). I can't wait to see what you will make with the client!

Also, here's the working code for you to hack ;)

Homework

• Make it so if the user entered a name that is already in the database, don't save to the database. (hint: db.get)
• Add colors!!
• Get a specific user's entry

Have a great day!

Ask in the comments below if you have any questions ;)