DhanushNehru · Mayankrsmk · Oct 22, 2023
diff --git a/REACT(Investment Calculator)/Readme.md b/REACT(Investment Calculator)/Readme.md
@@ -0,0 +1,2 @@
+Install node modules before running use npm install
+To start the application type npm start into the terminal
diff --git a/REACT(Investment Calculator)/package-lock.json b/REACT(Investment Calculator)/package-lock.json
diff --git a/REACT(Investment Calculator)/package.json b/REACT(Investment Calculator)/package.json
@@ -0,0 +1,38 @@
+{
+  "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"
+    ]
+  }
+}
diff --git a/REACT(Investment Calculator)/public/favicon.ico b/REACT(Investment Calculator)/public/favicon.ico
diff --git a/REACT(Investment Calculator)/public/index.html b/REACT(Investment Calculator)/public/index.html
@@ -0,0 +1,43 @@
+<!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>
diff --git a/REACT(Investment Calculator)/public/logo192.png b/REACT(Investment Calculator)/public/logo192.png
diff --git a/REACT(Investment Calculator)/public/logo512.png b/REACT(Investment Calculator)/public/logo512.png
diff --git a/REACT(Investment Calculator)/public/manifest.json b/REACT(Investment Calculator)/public/manifest.json
@@ -0,0 +1,25 @@
+{
+  "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"
+}
diff --git a/REACT(Investment Calculator)/public/robots.txt b/REACT(Investment Calculator)/public/robots.txt
@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
diff --git a/REACT(Investment Calculator)/src/App.js b/REACT(Investment Calculator)/src/App.js
@@ -0,0 +1,49 @@
+import { useState } from "react";
+import Header from "./assets/Components/Header/Header";
+import ResultsTable from "./assets/Components/ResultsTable/ResultsTable";
+import UserInput from "./assets/Components/UserInput/UserInput";
+
+function App() {
+  const [userInput, setUserInput] = useState({});
+  const [yearlyData, setYearlyData] = useState([]);
+
+  const calculateHandler = (userInput) => {
+    setUserInput(userInput);
+    const yearlyData = [];
+
+    if (userInput) {
+      let currentSavings = +userInput['current-savings'];
+      const yearlyContribution = +userInput['yearly-contribution'];
+      const expectedReturn = +userInput['expected-return'] / 100;
+      const duration = +userInput['duration'];
+
+      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,
+        });
+      }
+    }
+
+    setYearlyData(yearlyData);
+  };
+
+  return (
+    <div>
+      <Header></Header>
+      <UserInput onCalculate={calculateHandler}></UserInput>
+      {/* Show table when userInput is available and yearlyData has some data */}
+      {userInput && yearlyData.length > 0 && (
+        <ResultsTable data={yearlyData} initialInvestment={userInput['current-savings']} />
+      )}
+      {/* Show fallback text if no data is available */}
+      {!userInput && <p style={{textAlign:'center'}}>No Investment Calculated Yet</p>}
+    </div>
+  );
+}
+
+export default App;
diff --git a/REACT(Investment Calculator)/src/assets/Components/Header/Header.js b/REACT(Investment Calculator)/src/assets/Components/Header/Header.js
@@ -0,0 +1,13 @@
+import logo from '../../investment-calculator-logo.png';
+import classes from './Header.module.css'
+const Header =()=>{
+
+    return (
+              <header className={classes.header}>
+        <img src={logo} alt="logo" />
+        <h1>Investment Calculator</h1>
+      </header>
+    )
+}
+
+export default Header;
diff --git a/REACT(Investment Calculator)/src/assets/Components/Header/Header.module.css b/REACT(Investment Calculator)/src/assets/Components/Header/Header.module.css
@@ -0,0 +1,16 @@
+.header {
+    text-align: center;
+    margin: 3rem auto;
+  }
+
+
+  .header img {
+    width: 5rem;
+    height: 5rem;
+    object-fit: contain;
+    background-color: transparent;
+  }
+
+  .header h1 {
+    font-size: 1.5rem;
+  }
diff --git a/REACT(Investment Calculator)/src/assets/Components/ResultsTable/Results.module.css b/REACT(Investment Calculator)/src/assets/Components/ResultsTable/Results.module.css
@@ -0,0 +1,19 @@
+.result {
+    max-width: 50rem;
+    margin: 2rem auto;
+    padding: 1rem;
+    table-layout: fixed;
+    border-spacing: 1rem;
+    text-align: right;
+  }
+
+  .result thead {
+    font-size: 0.7rem;
+    color: #83e6c0;
+  }
+
+  .result tbody {
+    font-family: 'Roboto Condensed', sans-serif;
+    font-size: 0.85rem;
+    color: #c2e9e0;
+  }
diff --git a/REACT(Investment Calculator)/src/assets/Components/ResultsTable/ResultsTable.js b/REACT(Investment Calculator)/src/assets/Components/ResultsTable/ResultsTable.js
@@ -0,0 +1,39 @@
+import classes from './Results.module.css'
+
+const formatter= new Intl.NumberFormat('en-US',{
+    style:'currency',
+    currency:'INR',
+    minimumFractionDigits:2,
+    maximumFractionDigits:2,
+});
+
+
+const ResultsTable =(props)=>{
+
+    return(
+        <table className={classes.result}>
+        <thead>
+          <tr>
+            <th>Year</th>
+            <th>Total Savings</th>
+            <th>Interest (Year)</th>
+            <th>Total Interest</th>
+            <th>Invested Capital</th>
+          </tr>
+        </thead>
+        <tbody>
+            {props.data.map((yearData)=>(
+          <tr>
+            <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)}</td>
+          </tr>
+            ))}
+        </tbody>
+      </table>
+    )
+}
+
+export default ResultsTable;
diff --git a/REACT(Investment Calculator)/src/assets/Components/UserInput/UserInput.js b/REACT(Investment Calculator)/src/assets/Components/UserInput/UserInput.js
@@ -0,0 +1,80 @@
+import { useState } from "react";
+import classes from './UserInput.module.css'
+
+const initialUserInput ={
+    'current-savings':10000,
+    'yearly-contribution':1200,
+    'expected-return':7,
+    'duration': 10,
+};
+
+
+
+const UserInput =(props)=>{
+
+    const [userInput,setUserInput]=useState(initialUserInput);
+
+
+    const submitHandler=(event)=>{
+       event.preventDefault();
+       console.log('Submit');
+
+       props.onCalculate(userInput);
+
+    }
+
+    const resetHandler=()=>{
+        console.log('Reset');
+        setUserInput(initialUserInput);
+    }
+
+    const inputChangeHandler=(input,value)=>{
+        console.log('Input');
+
+        setUserInput((prevInput)=>{
+            return{
+                ...prevInput,
+                [input]:value,
+            }
+        })
+
+    }
+
+
+    return(
+        <form onSubmit={submitHandler}  className={classes.form}>
+        <div className={classes['input-group']}>
+          <p>
+            <label htmlFor="current-savings">Current Savings ($)</label>
+            <input onChange={(event)=>inputChangeHandler('current-savings',event.target.value)} value={userInput['current-savings']} type="number" id="current-savings" />
+          </p>
+          <p>
+            <label htmlFor="yearly-contribution">Yearly Savings ($)</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">
+              Expected Interest (%, per year)
+            </label>
+            <input  onChange={(event)=>inputChangeHandler('expected-return',event.target.value)} value={userInput['expected-return']} type="number" id="expected-return" />
+          </p>
+          <p>
+            <label htmlFor="duration">Investment Duration (years)</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}>
+            Calculate
+          </button>
+        </p>
+      </form>
+    )
+}
+
+export default UserInput;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Install node modules before running use npm install
		To start the application type npm start into the terminal