├── .gitignore
├── README.md
├── package-lock.json
├── package.json
├── public
└── index.html
└── src
├── App.css
├── App.js
├── firebase.js
├── index.css
└── index.js
/.gitignore:
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1 | # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
2 |
3 | # dependencies
4 | /node_modules
5 | /.pnp
6 | .pnp.js
7 |
8 | # testing
9 | /coverage
10 |
11 | # production
12 | /build
13 |
14 | # misc
15 | .DS_Store
16 | .env.local
17 | .env.development.local
18 | .env.test.local
19 | .env.production.local
20 |
21 | npm-debug.log*
22 | yarn-debug.log*
23 | yarn-error.log*
24 |
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/README.md:
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1 | ## Firebase CRUD
2 |
3 | **Version 1.0.0**
4 |
5 | Description:
6 | The goal of this project is to educate students how to use the new Google Firebase Database to Create, Read/Retrieve, Update, and Delete data. This is critical for Front-End developers because few will learn SQL in their entry-level positions.
7 |
8 |
9 | ## License & copyright
10 |
11 | © Jay B. Crisostomo
12 |
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/package.json:
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1 | {
2 | "name": "crud-firebase",
3 | "version": "0.1.0",
4 | "private": true,
5 | "dependencies": {
6 | "@testing-library/jest-dom": "^5.16.1",
7 | "@testing-library/react": "^12.1.2",
8 | "@testing-library/user-event": "^13.5.0",
9 | "firebase": "^9.6.1",
10 | "react": "^17.0.2",
11 | "react-dom": "^17.0.2",
12 | "react-scripts": "5.0.0",
13 | "uid": "^2.0.0",
14 | "web-vitals": "^2.1.2"
15 | },
16 | "scripts": {
17 | "start": "react-scripts start",
18 | "build": "react-scripts build",
19 | "test": "react-scripts test",
20 | "eject": "react-scripts eject"
21 | },
22 | "eslintConfig": {
23 | "extends": [
24 | "react-app",
25 | "react-app/jest"
26 | ]
27 | },
28 | "browserslist": {
29 | "production": [
30 | ">0.2%",
31 | "not dead",
32 | "not op_mini all"
33 | ],
34 | "development": [
35 | "last 1 chrome version",
36 | "last 1 firefox version",
37 | "last 1 safari version"
38 | ]
39 | }
40 | }
41 |
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/public/index.html:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
12 |
13 |
17 |
18 |
27 | React App
28 |
29 |
30 |
31 |
32 |
42 |
43 |
44 |
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/src/App.css:
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https://raw.githubusercontent.com/jayisback11/firebase-crud/82e75d69882320c2e5c0f204ad4fb4afb99c0a0d/src/App.css
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/src/App.js:
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1 | import "./App.css";
2 | import { db } from "./firebase";
3 | import { uid } from "uid";
4 | import { set, ref, onValue, remove, update } from "firebase/database";
5 | import { useState, useEffect } from "react";
6 |
7 | function App() {
8 | const [todo, setTodo] = useState("");
9 | const [todos, setTodos] = useState([]);
10 | const [isEdit, setIsEdit] = useState(false);
11 | const [tempUuid, setTempUuid] = useState("");
12 |
13 | const handleTodoChange = (e) => {
14 | setTodo(e.target.value);
15 | };
16 |
17 | //read
18 | useEffect(() => {
19 | onValue(ref(db), (snapshot) => {
20 | setTodos([]);
21 | const data = snapshot.val();
22 | if (data !== null) {
23 | Object.values(data).map((todo) => {
24 | setTodos((oldArray) => [...oldArray, todo]);
25 | });
26 | }
27 | });
28 | }, []);
29 |
30 | //write
31 | const writeToDatabase = () => {
32 | const uuid = uid();
33 | set(ref(db, `/${uuid}`), {
34 | todo,
35 | uuid,
36 | });
37 |
38 | setTodo("");
39 | };
40 |
41 | //update
42 | const handleUpdate = (todo) => {
43 | setIsEdit(true);
44 | setTempUuid(todo.uuid);
45 | setTodo(todo.todo);
46 | };
47 |
48 | const handleSubmitChange = () => {
49 | update(ref(db, `/${tempUuid}`), {
50 | todo,
51 | uuid: tempUuid,
52 | });
53 |
54 | setTodo("");
55 | setIsEdit(false);
56 | };
57 |
58 | //delete
59 | const handleDelete = (todo) => {
60 | remove(ref(db, `/${todo.uuid}`));
61 | };
62 |
63 | return (
64 |
65 |
66 | {isEdit ? (
67 | <>
68 |
69 |
77 |
78 | ) : (
79 |
80 | )}
81 | {todos.map((todo) => (
82 | <>
83 |
{todo.todo}
84 |
85 |
86 |
87 | ))}
88 |
89 | );
90 | }
91 |
92 | export default App;
93 |
94 | // npm install firebase
95 | // npm install uid
96 |
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/src/firebase.js:
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1 | import { initializeApp } from "firebase/app";
2 | import { getDatabase } from "firebase/database";
3 |
4 | const firebaseConfig = {
5 | apiKey: "AIzaSyBPJl-4OaZV_LYF8S-pt7ljyCOK2eei450",
6 | authDomain: "fb-crud-957dc.firebaseapp.com",
7 | projectId: "fb-crud-957dc",
8 | storageBucket: "fb-crud-957dc.appspot.com",
9 | messagingSenderId: "641135050863",
10 | appId: "1:641135050863:web:f8af296975112ff8bd4d9a",
11 | };
12 |
13 | const app = initializeApp(firebaseConfig);
14 | export const db = getDatabase(app);
15 |
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/src/index.css:
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https://raw.githubusercontent.com/jayisback11/firebase-crud/82e75d69882320c2e5c0f204ad4fb4afb99c0a0d/src/index.css
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/src/index.js:
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1 | import React from "react";
2 | import ReactDOM from "react-dom";
3 | import "./index.css";
4 | import App from "./App";
5 |
6 | ReactDOM.render(
7 |
8 |
9 | ,
10 | document.getElementById("root")
11 | );
12 |
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