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node_modules |
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# investiment-app-react | ||
investiment-app-react |
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FrontEnd/React/Investiment-App/package-lock.json
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{ | ||
"name": "react-investment-calculator", | ||
"version": "0.1.0", | ||
"private": true, | ||
"dependencies": { | ||
"@testing-library/jest-dom": "^5.16.5", | ||
"@testing-library/react": "^13.4.0", | ||
"@testing-library/user-event": "^13.5.0", | ||
"react": "^18.2.0", | ||
"react-dom": "^18.2.0", | ||
"react-scripts": "5.0.1", | ||
"web-vitals": "^2.1.4" | ||
}, | ||
"scripts": { | ||
"start": "react-scripts start", | ||
"build": "react-scripts build", | ||
"test": "react-scripts test", | ||
"eject": "react-scripts eject" | ||
}, | ||
"eslintConfig": { | ||
"extends": [ | ||
"react-app", | ||
"react-app/jest" | ||
] | ||
}, | ||
"browserslist": { | ||
"production": [ | ||
">0.2%", | ||
"not dead", | ||
"not op_mini all" | ||
], | ||
"development": [ | ||
"last 1 chrome version", | ||
"last 1 firefox version", | ||
"last 1 safari version" | ||
] | ||
} | ||
} |
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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="utf-8" /> | ||
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" /> | ||
<meta name="viewport" content="width=device-width, initial-scale=1" /> | ||
<meta name="theme-color" content="#000000" /> | ||
<meta | ||
name="description" | ||
content="Web site created using create-react-app" | ||
/> | ||
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" /> | ||
<!-- | ||
manifest.json provides metadata used when your web app is installed on a | ||
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/ | ||
--> | ||
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" /> | ||
<!-- | ||
Notice the use of %PUBLIC_URL% in the tags above. | ||
It will be replaced with the URL of the `public` folder during the build. | ||
Only files inside the `public` folder can be referenced from the HTML. | ||
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will | ||
work correctly both with client-side routing and a non-root public URL. | ||
Learn how to configure a non-root public URL by running `npm run build`. | ||
--> | ||
<title>React App</title> | ||
</head> | ||
<body> | ||
<noscript>You need to enable JavaScript to run this app.</noscript> | ||
<div id="root"></div> | ||
<!-- | ||
This HTML file is a template. | ||
If you open it directly in the browser, you will see an empty page. | ||
You can add webfonts, meta tags, or analytics to this file. | ||
The build step will place the bundled scripts into the <body> tag. | ||
To begin the development, run `npm start` or `yarn start`. | ||
To create a production bundle, use `npm run build` or `yarn build`. | ||
--> | ||
</body> | ||
</html> |
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{ | ||
"short_name": "React App", | ||
"name": "Create React App Sample", | ||
"icons": [ | ||
{ | ||
"src": "favicon.ico", | ||
"sizes": "64x64 32x32 24x24 16x16", | ||
"type": "image/x-icon" | ||
}, | ||
{ | ||
"src": "logo192.png", | ||
"type": "image/png", | ||
"sizes": "192x192" | ||
}, | ||
{ | ||
"src": "logo512.png", | ||
"type": "image/png", | ||
"sizes": "512x512" | ||
} | ||
], | ||
"start_url": ".", | ||
"display": "standalone", | ||
"theme_color": "#000000", | ||
"background_color": "#ffffff" | ||
} |
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# https://www.robotstxt.org/robotstxt.html | ||
User-agent: * | ||
Disallow: |
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import { useState } from 'react'; | ||
import Header from './components/Header/Header'; | ||
import ResultsTable from './components/ResultsTable/ResultsTable'; | ||
import UserInput from './components/UserInput/UserInput'; | ||
|
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function App() { | ||
const [userInput, setUserInput] = useState(null); | ||
|
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const calculateHandler = (userInput) => { | ||
setUserInput(userInput); | ||
}; | ||
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const yearlyData = []; | ||
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if (userInput) { | ||
let currentSavings = +userInput['current-savings']; | ||
const yearlyContribution = +userInput['yearly-contribution']; | ||
const expectedReturn = +userInput['expected-return'] / 100; | ||
const duration = +userInput['duration']; | ||
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for (let i = 0; i < duration; i++) { | ||
const yearlyInterest = currentSavings * expectedReturn; | ||
currentSavings += yearlyInterest + yearlyContribution; | ||
yearlyData.push({ | ||
year: i + 1, | ||
yearlyInterest: yearlyInterest, | ||
savingsEndOfYear: currentSavings, | ||
yearlyContribution: yearlyContribution, | ||
}); | ||
} | ||
} | ||
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return ( | ||
<div> | ||
<Header /> | ||
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<UserInput onCalculate={calculateHandler} /> | ||
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{!userInput && <p style={{textAlign: 'center'}}>Preencha os campos</p>} | ||
{userInput && <ResultsTable data={yearlyData} initialInvestment={userInput['current-savings']} />} | ||
</div> | ||
); | ||
} | ||
|
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export default App; |
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FrontEnd/React/Investiment-App/src/assets/investment-calculator-logo.png
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FrontEnd/React/Investiment-App/src/components/Header/Header.js
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import logo from '../../assets/investment-calculator-logo.png'; | ||
import classes from './Header.module.css'; | ||
|
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const Header = () => { | ||
return ( | ||
<header className={classes.header}> | ||
<img src={logo} alt="logo" /> | ||
<h1>Calculadora de investimentos</h1> | ||
</header> | ||
); | ||
}; | ||
|
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export default Header; |
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FrontEnd/React/Investiment-App/src/components/Header/Header.module.css
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.header { | ||
text-align: center; | ||
margin: 3rem auto; | ||
} | ||
|
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.header img { | ||
width: 5rem; | ||
height: 5rem; | ||
object-fit: contain; | ||
background-color: transparent; | ||
} | ||
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.header h1 { | ||
font-size: 1.5rem; | ||
} |
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FrontEnd/React/Investiment-App/src/components/ResultsTable/ResultsTable.js
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import classes from './ResultsTable.module.css'; | ||
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|
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const formatter = new Intl.NumberFormat('pt-BR', { | ||
style: 'currency', | ||
currency: 'BRL', | ||
minimumFractionDigits: 2, | ||
maximumFractionDigits: 2, | ||
}); | ||
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const tablesNames = [ | ||
'Ano', | ||
'Total de economias', | ||
'Juros (Ano)', | ||
'Juros totais', | ||
'Capital investido', | ||
]; | ||
|
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const ResultsTable = (props) => { | ||
return ( | ||
<table className={classes.result}> | ||
<thead> | ||
<tr> | ||
{tablesNames.map((name) => ( | ||
<th key={name}>{name}</th> | ||
))} | ||
</tr> | ||
</thead> | ||
<tbody> | ||
{props.data.map((yearData) => ( | ||
<tr key={yearData.year}> | ||
<td>{yearData.year}</td> | ||
<td>{formatter.format(yearData.savingsEndOfYear)}</td> | ||
<td>{formatter.format(yearData.yearlyInterest)}</td> | ||
<td> | ||
{formatter.format( | ||
yearData.savingsEndOfYear - | ||
props.initialInvestment - | ||
yearData.yearlyContribution * yearData.year | ||
)} | ||
</td> | ||
<td> | ||
{formatter.format( | ||
props.initialInvestment + | ||
yearData.yearlyContribution * yearData.year | ||
)} | ||
</td> | ||
</tr> | ||
))} | ||
</tbody> | ||
</table> | ||
); | ||
}; | ||
|
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export default ResultsTable; |
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FrontEnd/React/Investiment-App/src/components/ResultsTable/ResultsTable.module.css
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.result { | ||
max-width: 50rem; | ||
margin: 2rem auto; | ||
padding: 1rem; | ||
table-layout: fixed; | ||
border-spacing: 1rem; | ||
text-align: right; | ||
} | ||
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.result thead { | ||
font-size: 0.7rem; | ||
color: #3DC2EC; | ||
} | ||
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.result tbody { | ||
font-family: 'Roboto Condensed', sans-serif; | ||
font-size: 0.85rem; | ||
color: white; | ||
} |
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FrontEnd/React/Investiment-App/src/components/UserInput/UserInput.js
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import { useState } from 'react'; | ||
import classes from './UserInput.module.css'; | ||
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const initialUserInput = { | ||
'current-savings': 10000, | ||
'yearly-contribution': 1200, | ||
'expected-return': 7, | ||
duration: 10, | ||
}; | ||
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const UserInput = ({ onCalculate }) => { | ||
const [userInput, setUserInput] = useState(initialUserInput); | ||
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const submitHandler = (event) => { | ||
event.preventDefault(); | ||
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onCalculate(userInput); | ||
}; | ||
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const resetHandler = () => { | ||
setUserInput(initialUserInput); | ||
}; | ||
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const inputChangeHandler = (input, value) => { | ||
setUserInput((prevInput) => { | ||
return { | ||
...prevInput, | ||
[input]: +value, | ||
}; | ||
}); | ||
}; | ||
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return ( | ||
<form onSubmit={submitHandler} className={classes.form}> | ||
<div className={classes['input-group']}> | ||
<p> | ||
<label htmlFor="current-savings"> | ||
Economias atuais (R$) | ||
</label> | ||
<input | ||
onChange={(event) => | ||
inputChangeHandler('current-savings', event.target.value) | ||
} | ||
value={userInput['current-savings']} | ||
type="number" | ||
id="current-savings" | ||
/> | ||
</p> | ||
<p> | ||
<label htmlFor="yearly-contribution"> | ||
Economias anuais (R$) | ||
</label> | ||
<input | ||
onChange={(event) => | ||
inputChangeHandler('yearly-contribution', event.target.value) | ||
} | ||
value={userInput['yearly-contribution']} | ||
type="number" | ||
id="yearly-contribution" | ||
/> | ||
</p> | ||
</div> | ||
<div className={classes['input-group']}> | ||
<p> | ||
<label htmlFor="expected-return"> | ||
Retorno esperado (%) | ||
</label> | ||
<input | ||
onChange={(event) => | ||
inputChangeHandler('expected-return', event.target.value) | ||
} | ||
value={userInput['expected-return']} | ||
type="number" | ||
id="expected-return" | ||
/> | ||
</p> | ||
<p> | ||
<label htmlFor="duration"> | ||
Duração (anos) | ||
</label> | ||
<input | ||
onChange={(event) => | ||
inputChangeHandler('duration', event.target.value) | ||
} | ||
value={userInput['duration']} | ||
type="number" | ||
id="duration" | ||
/> | ||
</p> | ||
</div> | ||
<p className={classes.actions}> | ||
<button | ||
onClick={resetHandler} | ||
type="reset" | ||
className={classes.buttonAlt} | ||
> | ||
Reset | ||
</button> | ||
<button type="submit" className={classes.button}> | ||
Calcular | ||
</button> | ||
</p> | ||
</form> | ||
); | ||
}; | ||
|
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export default UserInput; |
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