|
| 1 | +#REACT CODE SNIPPETS |
| 2 | +#Create REACT APP |
| 3 | +``` |
| 4 | +npx create-react-app my-app |
| 5 | +cd my-app |
| 6 | +npm start |
| 7 | +``` |
| 8 | +#Fetch data from API REACT |
| 9 | +```REACT JS |
| 10 | +import React, {Component} from 'react' |
| 11 | +
|
| 12 | +export default class StarWars extends Component { |
| 13 | + constructor(){ |
| 14 | + super() |
| 15 | + this.state = { |
| 16 | + character: {}, |
| 17 | + isLoading: false |
| 18 | + } |
| 19 | + } |
| 20 | +
|
| 21 | + componentDidMount(){ |
| 22 | + this.setState({isLoading: true}) |
| 23 | + fetch("https://swapi.co/api/people/1") |
| 24 | + .then(response => response.json()) |
| 25 | + .then(data => ( |
| 26 | + this.setState({ |
| 27 | + isLoading: false, |
| 28 | + character: data |
| 29 | + }) |
| 30 | + )) |
| 31 | + } |
| 32 | +
|
| 33 | +
|
| 34 | + render(){ |
| 35 | + const text = this.state.isLoading ? "People data is loading..." : this.state.character.name |
| 36 | + return( |
| 37 | + <div> |
| 38 | + <p>{text}</p> |
| 39 | + </div> |
| 40 | + ) |
| 41 | + } |
| 42 | +} |
| 43 | +``` |
| 44 | +#ROUTING |
| 45 | +``` |
| 46 | +ReactDOM.render(( |
| 47 | +
|
| 48 | + <Switch> |
| 49 | +
|
| 50 | + <Route exact path="/" component={Home} /> |
| 51 | +
|
| 52 | + <Route path="/login" component={Login} /> |
| 53 | +
|
| 54 | + <Route path="/explore" component={Explore} /> |
| 55 | +
|
| 56 | + </Switch>), |
| 57 | +
|
| 58 | + document.getElementById('root') |
| 59 | +
|
| 60 | +); |
| 61 | +``` |
| 62 | +#Update REACT Dependancies or Libraries |
| 63 | +``` |
| 64 | +npm install -g npm-check-updates |
| 65 | +ncu -u |
| 66 | +npm update |
| 67 | +npm install |
| 68 | +``` |
| 69 | +#npm run build |
| 70 | +``` |
| 71 | +Builds the app for production to the build folder. |
| 72 | +It correctly bundles React in production mode and optimizes the build for the best performance. |
| 73 | +
|
| 74 | +The build is minified and the filenames include the hashes. |
| 75 | +
|
| 76 | +Your app is ready to be deployed. |
| 77 | +``` |