altru calculator

2024-11-21 14:48:17 +07:00 · 2024-11-21 14:48:17 +07:00 · b97bd7c2eb
commit b97bd7c2eb
19 changed files with 24002 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,24 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.idea
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@ -0,0 +1,39 @@
+{
+  "name": "calc-app",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^5.14.1",
+    "@testing-library/react": "^13.0.0",
+    "@testing-library/user-event": "^13.2.1",
+    "react": "^18.1.0",
+    "react-dom": "^18.1.0",
+    "react-scripts": "5.0.1",
+    "react-textfit": "^1.1.1",
+    "web-vitals": "^2.1.0"
+  },
+  "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"
+    ]
+  }
+}
--- a/public/favicon.ico
+++ b/public/favicon.ico
--- a/public/index.html
+++ b/public/index.html
@ -0,0 +1,20 @@
+<!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" />
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <title>Basic Calculator</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+  </body>
+</html>
--- a/public/logo192.png
+++ b/public/logo192.png
--- a/public/logo512.png
+++ b/public/logo512.png
--- a/public/manifest.json
+++ b/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"
+}
--- a/public/robots.txt
+++ b/public/robots.txt
@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
--- a/src/App.js
+++ b/src/App.js
@ -0,0 +1,33 @@
+import Wrapper from "./components/Wrapper";
+import Screen from "./components/Screen";
+import ButtonBox from './components/ButtonBox'
+import Button from './components/Button'
+import CalcProvider from "./context/CalcContext";
+
+const btnValues = [
+  ["C", "+/-", "%", "/"],
+  [7, 8, 9, "x"],
+  [4, 5, 6, "-"],
+  [1, 2, 3, "+"],
+  [0, ".", "="],
+];
+
+function App() {
+  return (
+    <CalcProvider>
+      <Wrapper>
+        <Screen />
+        <ButtonBox>
+          {btnValues.flat().map((btn, i) => (
+            <Button
+              value={btn}
+              key={i}
+            />
+          ))}
+        </ButtonBox>
+      </Wrapper>
+    </CalcProvider>
+  );
+}
+
+export default App;
--- a/src/calc-app.png
+++ b/src/calc-app.png
--- a/src/components/Button.js
+++ b/src/components/Button.js
@ -0,0 +1,62 @@
+import { useContext } from "react";
+import { CalcContext } from '../context/CalcContext'
+
+const getStyleName = btn => {
+}
+
+const Button = ({ value }) => {
+  const { calc, setCalc } = useContext(CalcContext);
+
+  const handleClickButton = () => {
+    const numberString = value.toString()
+
+    setCalc({
+      ...calc,
+      num: numberString
+    })
+  }
+
+  const signClick = () => {
+    setCalc({
+      sign: value,
+      res: !calc.res && calc.num ? calc.num : calc.res,
+      num: 0
+    })
+  }
+
+  const equalsClick = () => {
+    if(calc.res && calc.num) {
+      setCalc({
+        res: math(calc.res, calc.num, calc.sign),
+        sign: '',
+        num: 0
+      })
+    }
+  }
+
+  const math = (a, b, sign) => {
+    const result = {
+      '+': (a, b) => a + b
+    }
+
+    return result[sign](a, b);
+  }
+
+  const handleBtnClick = () => {
+    const results = {
+      '+': signClick,
+      '=': equalsClick,
+    }
+    if(results[value]) {
+      return results[value]()
+    } else {
+      return handleClickButton()
+    }
+  }
+
+  return (
+    <button onClick={handleBtnClick} className={`${getStyleName(value)} button`}>{value}</button>
+  )
+}
+
+export default Button
--- a/src/components/ButtonBox.js
+++ b/src/components/ButtonBox.js
@ -0,0 +1,8 @@
+
+const ButtonBox = ({ children }) => {
+  return (
+    <div className="buttonBox">{children}</div>
+  )
+}
+
+export default ButtonBox
--- a/src/components/Screen.js
+++ b/src/components/Screen.js
@ -0,0 +1,13 @@
+import { useContext } from "react"
+import { CalcContext } from "../context/CalcContext"
+import { Textfit } from 'react-textfit';
+
+const Screen = () => {
+  const { calc } = useContext(CalcContext);
+
+  return (
+    <Textfit className="screen" max={70}  mode="single">{calc.num !== 0 ? calc.num : calc.res}</Textfit>
+  )
+}
+
+export default Screen
--- a/src/components/Wrapper.js
+++ b/src/components/Wrapper.js
@ -0,0 +1,8 @@
+
+const Wrapper = ({ children }) => {
+  return (
+    <div className="wrapper">{children}</div>
+  )
+}
+
+export default Wrapper
--- a/src/context/CalcContext.js
+++ b/src/context/CalcContext.js
@ -0,0 +1,23 @@
+import { createContext, useState } from "react"
+
+export const CalcContext = createContext()
+
+const CalcProvider = ({ children }) => {
+  const [calc, setCalc] = useState({
+    sign: "",
+    num: 0,
+    res: 0
+  });
+
+  const providerValue = {
+    calc, setCalc
+  }
+
+  return (
+    <CalcContext.Provider value={providerValue}>
+      {children}
+    </CalcContext.Provider>
+  )
+}
+
+export default CalcProvider
--- a/src/index.css
+++ b/src/index.css
@ -0,0 +1,63 @@
+@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
+
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+body {
+  height: 100vh;
+  background: #f4fefe;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-family: 'Roboto', sans-serif;
+}
+
+.screen {
+  height: 4rem;
+  margin-bottom: 4rem;
+}
+
+.wrapper {
+  background: #f6f8f9;
+  width: 20rem;
+  padding: 2rem;
+  margin-top: 4rem;
+  border-radius: 1rem;
+  box-shadow: 0px 9px 15px -3px rgba(0,0,0,0.1);
+}
+
+.buttonBox {
+  display: grid;
+  grid-template-columns: repeat(4, 1fr);
+  gap: .5rem;
+}
+
+.button {
+  background: #e9f0f4;
+  height: 3.5rem;
+  padding: 10px;
+  border-radius: 10px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  color: #242424;
+  border: none;
+  font-size: 1.5rem;
+}
+
+.button:hover {
+  border: 2px dotted #242424;
+}
+
+.equals {
+  background: #4bd086;
+  grid-column: 3/5;
+}
+
+.opt {
+  background: #f79505;
+}
--- a/src/index.js
+++ b/src/index.js
@ -0,0 +1,11 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import App from './App';
+
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);
--- a/yarn.lock
+++ b/yarn.lock