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January 6, 2022 06:47 am GMT

Make notes sharing app with React and Firebase

Hello

Demo

Prerequisites

Basic understanding of React JS
Node JS

Step 1 - `create-react-app`

$ npx create-react-app@latest mynoteapp

Step 2 - Creating TextArea

<textarea id="txt" cols="30" rows="10" placeholder="Enter some text!" value={text} onChange={e => setText(e.target.value)} onKeyDown={keySound}></textarea>

*Styling *

*{  margin: 0;  padding: 0;  box-sizing: border-box;}body{  height: 100%;  overflow: hidden;}textarea{  width: 100%;  height: 100vh;  resize: none;  margin: 5px;  font-size: 25px;  outline: none;  border: none;}

So, now the Textarea is covered the whole page without outlines and borders

Step 3 - Add Settings Menu using `dat.gui`

Install data.gui using,

$ npm i dat.gui

Import it to Textarea.js

import * as dat from 'dat.gui';

Initialize dat.gui

const gui = await new dat.GUI({hideable: false});

Create objects

const obj = {            fontSize : 25,            fontFamily : 'monospace',            saveFile: () => {                const btn = document.querySelector('#saveBtn')                btn.click()            }        }

Add options1) Font size

 gui.add(obj, 'fontSize').min(8).max(60).step(1).onChange(e => {            document.querySelector('textarea').style.fontSize = `${e}px`        })

2) Font family

gui.add(obj, 'fontFamily', {            'Monospace': 'monospace',            'Roboto': 'Roboto',            'Poppins': 'Poppins',            'Cursive': 'Cursive',        }).onChange(e => {            document.querySelector('textarea').style.fontFamily = e        })

3) Save button

gui.add(obj, 'saveFile')

This will create a GUI panel on the top-right corner of the page

Step 4 - Setting up database

Go to Google Firebase Console
Create a new project, give it a name as you wish
Create a new web application
Install firebase to your react application

$ npm install firebase

Copy your credentials and create fireabse.js in the src directory of your React application

firebase.js

import firebase from "firebase/compat/app"import "firebase/compat/firestore"const firebaseConfig = {    apiKey: "YOUR_API_KEY",    authDomain: "YOUR_AUTH_DOMAIN",    projectId: "YOUR_PROJECT_ID",    storageBucket: "YOUR_STORAGE_BUCKET",    messagingSenderId: "YOUR_MESSAGING_ID",    appId: "YOUR_APP_ID"  };const app = firebase.initializeApp(firebaseConfig);const db = app.firestore();export default db

Now go back again to your Firebase project
Go to Firestore Database
Create a database
And choose production mode
Choose any location you want
After creating the database, go to the rules tab of the dashboard
Paste the following code to the rules playground and publish it

rules_version = '2';service cloud.firestore {  match /databases/{database}/documents {    match /{document=**} {      allow read, write: if true;    }  }}

Now go back to your React project
Go to Textarea.js and import database

import db from '../firebase'

Create a save function

const handleSave = async () => {        let slug = tinyid.unique()        keySound()        let today = new Date();        const dd = String(today.getDate()).padStart(2, '0');        const mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!        const yyyy = today.getFullYear();        today =  dd + '/' + mm + '/' + yyyy        await db.collection('notes').doc(slug).set({            text: text,            date: today,        })        navigate(`/${slug}`)    }

To generate slug, you can use tiny-unique-id

Loading created notes

useEffect(() => {        const handleLoad = async () => {            const doc = await db.collection('notes').doc(slug).get()            setText(doc.data().text)        }        handleLoad()    }, [slug])