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controlled flows design pattern
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‎controlled-flows/package-lock.json

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‎controlled-flows/package.json

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{
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"name": "react-design-patterns",
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"version": "0.1.0",
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"private": true,
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"proxy": "http://localhost:9090",
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"dependencies": {
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"@testing-library/jest-dom": "^5.16.5",
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"@testing-library/react": "^13.4.0",
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"@testing-library/user-event": "^13.5.0",
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"axios": "^1.4.0",
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"express": "^4.18.2",
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"react": "^18.2.0",
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"react-dom": "^18.2.0",
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"react-scripts": "5.0.1",
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"styled-components": "^6.0.0-rc.3",
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"web-vitals": "^2.1.4"
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},
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"scripts": {
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"start": "react-scripts start",
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"build": "react-scripts build",
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"test": "react-scripts test",
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"eject": "react-scripts eject"
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},
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"eslintConfig": {
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"extends": [
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"react-app",
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"react-app/jest"
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]
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},
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"browserslist": {
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"production": [
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">0.2%",
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"not dead",
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"not op_mini all"
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],
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"development": [
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"last 1 chrome version",
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"last 1 firefox version",
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"last 1 safari version"
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]
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},
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"files.watcherExclude": {
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"**/.git/objects/**": true,
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"**/node_modules/**": true
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}
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}

‎controlled-flows/public/favicon.ico

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‎controlled-flows/public/index.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="theme-color" content="#000000" />
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<meta
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name="description"
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content="Web site created using create-react-app"
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/>
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<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
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<!--
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manifest.json provides metadata used when your web app is installed on a
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user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
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-->
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<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
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<!--
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Notice the use of %PUBLIC_URL% in the tags above.
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It will be replaced with the URL of the `public` folder during the build.
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Only files inside the `public` folder can be referenced from the HTML.
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Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
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work correctly both with client-side routing and a non-root public URL.
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Learn how to configure a non-root public URL by running `npm run build`.
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-->
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<title>React App</title>
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</head>
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<body>
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<noscript>You need to enable JavaScript to run this app.</noscript>
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<div id="root"></div>
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<!--
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This HTML file is a template.
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If you open it directly in the browser, you will see an empty page.
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You can add webfonts, meta tags, or analytics to this file.
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The build step will place the bundled scripts into the <body> tag.
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To begin the development, run `npm start` or `yarn start`.
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To create a production bundle, use `npm run build` or `yarn build`.
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-->
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</body>
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</html>

‎controlled-flows/public/logo192.png

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‎controlled-flows/public/logo512.png

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‎controlled-flows/public/manifest.json

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{
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"short_name": "React App",
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"name": "Create React App Sample",
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"icons": [
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{
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"src": "favicon.ico",
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"sizes": "64x64 32x32 24x24 16x16",
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"type": "image/x-icon"
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},
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{
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"src": "logo192.png",
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"type": "image/png",
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"sizes": "192x192"
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},
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{
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"src": "logo512.png",
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"type": "image/png",
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"sizes": "512x512"
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}
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],
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"start_url": ".",
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"display": "standalone",
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"theme_color": "#000000",
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"background_color": "#ffffff"
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}

‎controlled-flows/public/robots.txt

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# https://www.robotstxt.org/robotstxt.html
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User-agent: *
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Disallow:

‎controlled-flows/src/App.js

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import React, { useState } from "react";
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import { ControlledFlow, UncontrolledFlow } from "./components/controlled-flow";
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const Step1 = ({ goNext }) => {
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return (
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<>
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<h1>Step #1: Enter your name</h1>
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<button onClick={() => goNext({ name: "John Doe" })}>Next</button>
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</>
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);
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};
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const Step2 = ({ goNext }) => {
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return (
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<>
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<h1>Step #2: Enter your age</h1>
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<button onClick={() => goNext({ age: 30 })}>Next</button>
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</>
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);
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};
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const Step3 = ({ goNext }) => {
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return (
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<>
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<h1>Congratulations! You are now a US citizen</h1>
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<button onClick={() => goNext({ country: "USA" })}>Next</button>
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</>
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);
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};
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const Step4 = ({ goNext }) => {
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return (
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<>
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<h1>Step #4: Enter your country</h1>
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<button onClick={() => goNext({ country: "USA" })}>Next</button>
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</>
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);
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};
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function App() {
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const [data, setData] = useState({});
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const [currentStepIndex, setCurrentStepIndex] = useState(0);
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const goNext = (dataFromStep) => {
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const newData = {
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...data,
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...dataFromStep,
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};
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console.log("newData", newData);
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setData(newData);
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setCurrentStepIndex(currentStepIndex + 1);
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};
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return (
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<>
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<ControlledFlow
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currentIndex={currentStepIndex}
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onNext={goNext}
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onDone={(data) =>
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alert("Yehhhhh 🎉 ", `${data.name} is now a citizen!`)
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}
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>
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<Step1 />
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<Step2 />
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{data.age > 25 && <Step3 />}
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<Step4 />
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</ControlledFlow>
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</>
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);
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}
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export default App;

‎controlled-flows/src/App.test.js

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import { render, screen } from '@testing-library/react';
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import App from './App';
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test('renders learn react link', () => {
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render(<App />);
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const linkElement = screen.getByText(/learn react/i);
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expect(linkElement).toBeInTheDocument();
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});

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