nickovchinnikov · korobprog · Apr 8, 2022 · Apr 16, 2022 · Apr 16, 2022 · Apr 24, 2022
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1 @@
-.history
-.vscode
 node_modules
-dist
diff --git a/README.md b/README.md
@@ -1 +1,6 @@
-# react-js-tutorial
+Game of Life
+
+Description Game of life https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life
+
+1) preparation of the board using grid 
+2) simulation
diff --git a/babel.config.js b/babel.config.js
diff --git a/jest.config.js b/jest.config.js
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,34 +1,39 @@
 {
-  "name": "react-js-tutorial",
-  "version": "1.0.0",
-  "description": "",
-  "main": "index.js",
-  "scripts": {
-    "build": "npx webpack --mode production",
-    "test": "npx jest"
+  "name": "Game-of-Life",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^5.16.4",
+    "@testing-library/react": "^13.1.1",
+    "@testing-library/user-event": "^13.5.0",
+    "immer": "^9.0.12",
+    "react": "^18.0.0",
+    "react-dom": "^18.0.0",
+    "react-scripts": "5.0.1",
+    "web-vitals": "^2.1.4"
   },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/nickovchinnikov/react-js-tutorial.git"
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
   },
-  "author": "Nick Ovchinnikov",
-  "license": "ISC",
-  "bugs": {
-    "url": "https://github.com/nickovchinnikov/react-js-tutorial/issues"
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
   },
-  "homepage": "https://github.com/nickovchinnikov/react-js-tutorial#readme",
-  "devDependencies": {
-    "@babel/core": "^7.9.0",
-    "@babel/preset-env": "^7.9.0",
-    "@babel/preset-typescript": "^7.9.0",
-    "@types/jest": "^25.1.4",
-    "babel-jest": "^25.2.4",
-    "babel-loader": "^8.1.0",
-    "html-webpack-plugin": "^4.0.3",
-    "jest": "^25.2.4",
-    "typescript": "^3.8.3",
-    "webpack": "^4.42.1",
-    "webpack-cli": "^3.3.11",
-    "webpack-dev-server": "^3.10.3"
+  "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/public/favicon.ico b/public/favicon.ico
diff --git a/public/index.html b/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/public/logo192.png b/public/logo192.png
diff --git a/public/logo512.png b/public/logo512.png
diff --git 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"
+}
diff --git a/public/robots.txt b/public/robots.txt
@@ -0,0 +1,3 @@
+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
diff --git a/src/App.css b/src/App.css
@@ -0,0 +1,38 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+  pointer-events: none;
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  .App-logo {
+    animation: App-logo-spin infinite 20s linear;
+  }
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #61dafb;
+}
+
+@keyframes App-logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
diff --git a/src/App.test.js b/src/App.test.js
@@ -0,0 +1,8 @@
+import { render, screen } from '@testing-library/react';
+import App from './App';
+
+test('renders learn react link', () => {
+  render(<App />);
+  const linkElement = screen.getByText(/learn react/i);
+  expect(linkElement).toBeInTheDocument();
+});
diff --git a/src/App.tsx b/src/App.tsx
@@ -0,0 +1,109 @@
+import React, { useState, useCallback } from "react";
+import produce from "immer"; //https://habr.com/ru/company/ruvds/blog/349492/
+import { useRef } from "react";
+
+// установка typescript https://create-react-app.dev/docs/adding-typescript/
+
+const numRows = 50;
+const numCols = 50;
+
+const operations = [
+  [0, 1],
+  [0, -1],
+  [0, -1],
+  [-1, 1],
+  [1, 1],
+  [-1, -1],
+  [1, 0],
+  [-1, 0],
+];
+
+const App: React.FC = () => {
+  const [grid, setGrid] = useState(() => {
+    const rows = [];
+    for (let i = 0; i < numRows; i++) {
+      rows.push(Array.from(Array(numCols), () => 0));
+    }
+    return rows;
+  });
+
+  const [running, setRunning] = useState(false);
+
+  const runningRef = useRef(running);
+  runningRef.current = running;
+
+  const runSimulation = useCallback(() => {
+    if (!runningRef.current) {
+      return;
+    }
+    // runSimulation логика 
+    setGrid((g) => {
+      return produce(g, (gridCopy) => {
+        for (let i = 0; i < numRows; i++) {
+          for (let k = 0; k < numCols; k++) {
+            let neighbors = 0;
+            operations.forEach(([x, y]) => {
+              const newI = i + x;
+              const newK = k + y;
+              if (newI >= 0 && newI < numRows && newK >= 0 && newK < numCols) {
+                neighbors += g[newI][newK];
+              }
+            });
+
+            if (neighbors < 2 || neighbors > 3) {
+              gridCopy[i][k] = 0;
+            } else if (g[i][k] === 0 && neighbors === 3) {
+              gridCopy[i][k] = 1; //станет единицей или нулем
+            }
+          }
+        }
+      });
+    });
+    // runSimulation
+    setTimeout(runSimulation, 800); // запускаем  через ...N
+  }, []);
+
+  return (
+    <>
+      <button
+        onClick={() => {
+          setRunning(!running); //запускаем симуляцию
+          if (!running) {
+            runningRef.current = true;
+            runSimulation();
+          }
+        }}
+      >
+        {running ? `stop` : `start`}
+      </button>
+      <div
+        style={{
+          display: `grid`,
+          gridTemplateColumns: `repeat(${numCols}, 20px )`,
+        }}
+      >
+        {grid.map((rows, i) =>
+          rows.map((col, k) => (
+            <div
+              key={`${i}-${k}`}
+              onClick={() => {
+                const newGrid = produce(grid, (gridCopy) => {
+                  gridCopy[i][k] = grid[i][k] ? 0 : 1; //мертвая ячейка:живая
+                });
+                setGrid(newGrid);
+              }}
+              style={{
+                width: 20,
+                height: 20,
+                backgroundColor: grid[i][k] ? "pink" : undefined,
+                border: "solid 1px black",
+              }}
+            />
+          ))
+        )}
+      </div>
+    </>
+  );
+};
+
+export default App;
diff --git a/src/index.css b/src/index.css
@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
+    monospace;
+}
diff --git a/src/index.html b/src/index.html
diff --git a/src/index.js b/src/index.js
@@ -0,0 +1,17 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import './index.css';
+import App from './App';
+import reportWebVitals from './reportWebVitals';
+
+const root = ReactDOM.createRoot(document.getElementById('root'));
+root.render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+reportWebVitals();
diff --git a/src/index.tsx b/src/index.tsx
diff --git a/src/reportWebVitals.js b/src/reportWebVitals.js
@@ -0,0 +1,13 @@
+const reportWebVitals = onPerfEntry => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
+      getCLS(onPerfEntry);
+      getFID(onPerfEntry);
+      getFCP(onPerfEntry);
+      getLCP(onPerfEntry);
+      getTTFB(onPerfEntry);
+    });
+  }
+};
+
+export default reportWebVitals;