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_getNewRocket() { | |
this.setState({ | |
rocketName: mission.rocket.rocket_name, | |
missionName: mission.mission_name, | |
missionLogo: mission.links.mission_patch_small, | |
launchImg: mission.links.flickr_images[Math.floor(Math.random() * 5)], | |
missionDetails: mission.details, | |
flightNumber: mission.flight_number, | |
missionId: mission.mission_id, | |
launchDate: new Date(mission.launch_date_unix * 1000).toDateString(), |
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_getNewMission() { | |
this.setState({ | |
// Use this to change the state values when the button is clicked. | |
appTitle: 'SpaceX Launches', | |
launchImg: require('./assets/2013_-_9_falcon_9_ses_launch-4.jpg'), | |
rocketName: '', | |
missionName: '', | |
missionLogo: require('./assets/mission-logo.png'), | |
missionDetails: '', | |
missionSuccess: false, |
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type State = { | |
appTitle: string; | |
launchImg: string; | |
rocketName: string; | |
missionName: string; | |
missionLogo: string; | |
missionDetails: string; | |
missionSuccess: boolean; | |
flightNumber: number; | |
missionId: string; |
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type State = { | |
appTitle: string; | |
launchImg: string; | |
rocketName: string; | |
missionName: string; | |
missionLogo: string; | |
missionDetails: string; | |
missionSuccess: boolean; | |
flightNumber: number; | |
missionId: string; |
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type State = { | |
appTitle: 'SpaceX Launches'; | |
launchImg: ''; | |
rocketName: ''; | |
missionName: ''; | |
missionLogo: ''; | |
missionDetails: ''; | |
missionSuccess: false; | |
flightNumber: 0; | |
missionId: ''; |
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import * as React from 'react'; | |
import './styles.css'; | |
// Rocket Info | |
import { mission } from './data/rockets'; | |
import 'bootstrap/dist/css/bootstrap.css'; | |
// Create a State type below this line | |
type State = {} | |
export default class RocketApp extends React.Component<{}, {}> {...} |
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const bob: string = 'Bob'; | |
const bobsAge: number = 20; | |
function personAge(person: string, age: number) { | |
return `${person} is ${age} years old.`; | |
} | |
personAge(bob, bobsAge); |
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{ | |
"compilerOptions": { | |
"lib": ["es6"], | |
"target": "es6", | |
"module": "commonjs", | |
"noImplicitAny": true, | |
"noImplicitThis": true, | |
"strictNullChecks": false, | |
"strictFunctionTypes": true, | |
"forceConsistentCasingInFileNames": true |
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let myNumber: number = 10; | |
let myString: string = 'this is a string'; | |
const badMath = (x: number, y: number) => { | |
return x * y; | |
} | |
badMath(myNumber, myString) /** | |
* error TS2345: Argument of type 'string' | |
* is not assignable to parameter of type 'number'. |
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let myNumber = 10; | |
let myString = 'this is a string'; | |
if (typeof myNumber === 'string') { | |
console.log('This is a string, not a number.') | |
} else { | |
console.log('This is a number'); | |
} | |
const badMath = (x, y) => { |
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