\r\n );\r\n};\r\n\r\nexport default Grid;\r\n","/** @module Calculate */\r\n\r\nimport React from \"react\";\r\n\r\nimport * as data from \"./data/gridData\";\r\n\r\n/**\r\n * @function Calculate\r\n * @description Component with logic for determining which open spaces are ot be covered in lava\r\n * @param {Object} props \r\n * @returns {React.Component}\r\n */\r\nconst Calculate = props => {\r\n const { grid, setGrid, setVisited } = props;\r\n\r\n const thisGrid = [...grid];\r\n\r\n /**\r\n * @function boundardDFS\r\n * @description recursive DFS helper function that converts all squared touching an exit to \"*\"\r\n * @param {Array} thisGrid - copy of source grid array\r\n * @param {Number} x - coordinate\r\n * @param {Number} y - coordinate\r\n */\r\n const boundaryDFS = (thisGrid, x, y) => {\r\n if (x > thisGrid.length - 1 || x < 0 || y > thisGrid[0].length || y < 0)\r\n return;\r\n\r\n if (thisGrid[x][y] === \"O\") thisGrid[x][y] = \"*\";\r\n\r\n if (x > 0 && thisGrid[x - 1][y] === \"O\") {\r\n boundaryDFS(thisGrid, x - 1, y);\r\n }\r\n\r\n if (x < thisGrid.length - 1 && thisGrid[x + 1][y] === \"O\") {\r\n boundaryDFS(thisGrid, x + 1, y);\r\n }\r\n\r\n if (y > 0 && thisGrid[x][y - 1] === \"O\") {\r\n boundaryDFS(thisGrid, x, y - 1);\r\n }\r\n\r\n if (x < thisGrid[0].length - 1 && thisGrid[x][y + 1] === \"O\") {\r\n boundaryDFS(thisGrid, x, y + 1);\r\n }\r\n\r\n return;\r\n };\r\n\r\n /**\r\n * @function convertToLava\r\n * @description loops through exits, applies boundaryDFS recursive function to each, then converts\r\n * untouched open squares to lava\r\n */\r\n const convertToLava = () => {\r\n const visited = [];\r\n if (!thisGrid.length === 0 || !thisGrid[0].length) {\r\n return;\r\n }\r\n let rows = thisGrid.length;\r\n let columns = thisGrid[0].length;\r\n\r\n data.gateSquares.forEach(square => {\r\n const coords = square.split(\"_\");\r\n const x = parseFloat(coords[0]);\r\n const y = parseFloat(coords[1]);\r\n\r\n if (thisGrid[x][y] === \"X\") boundaryDFS(thisGrid, x, y);\r\n });\r\n\r\n for (let x = 0; x < rows; x += 1) {\r\n for (let y = 0; y < columns; y += 1) {\r\n if (thisGrid[x][y] === \"O\") {\r\n thisGrid[x][y] = \"L\";\r\n visited.push(`${x}_${y}`);\r\n } else if (thisGrid[x][y] === \"*\") {\r\n thisGrid[x][y] = \"O\";\r\n }\r\n }\r\n }\r\n setGrid(thisGrid);\r\n setVisited(visited);\r\n };\r\n\r\n return (\r\n
\r\n \r\n
\r\n );\r\n};\r\n\r\nexport default Calculate;\r\n","/** @module App */\n\nimport React, { useState } from \"react\";\nimport \"./App.css\";\n\nimport * as data from \"./data/gridData\";\n\nimport Grid from \"./Grid\";\nimport Calculate from \"./Calculate\";\n\n/**\n * @function App\n * @description Functional Component for Island Problem app\n * @returns {React.Component}\n */\nfunction App() {\n const [grid, setGrid] = useState(null);\n const [visited, setVisited] = useState(null);\n\n /**\n * @function createGrid\n * @description generates 11 by 7 grid, each square is either open (\"O\") or lava (\"L\") 50/50\n * Some corner squares (that don't exist in the Pompeii board) are skipped, and open exits are also\n * changed to \"X\"\n */\n const createGrid = () => {\n const temp = [];\n setVisited(null);\n for (let i = 0; i < 7; i += 1) {\n const row = [];\n for (let ii = 0; ii < 11; ii += 1) {\n let gridValue = Math.round(Math.random()) ? \"L\" : \"O\";\n if (data.voidLavaSquares.includes(`${i}_${ii}`)) {\n gridValue = \"W\";\n }\n if (gridValue === \"O\" && data.gateSquares.includes(`${i}_${ii}`)) {\n gridValue = \"X\";\n }\n row.push(gridValue);\n }\n temp.push(row);\n }\n setGrid(temp);\n };\n\n return (\n
\n );\n}\n\nexport default App;\n","// This optional code is used to register a service worker.\n// register() is not called by default.\n\n// This lets the app load faster on subsequent visits in production, and gives\n// it offline capabilities. However, it also means that developers (and users)\n// will only see deployed updates on subsequent visits to a page, after all the\n// existing tabs open on the page have been closed, since previously cached\n// resources are updated in the background.\n\n// To learn more about the benefits of this model and instructions on how to\n// opt-in, read https://bit.ly/CRA-PWA\n\nconst isLocalhost = Boolean(\n window.location.hostname === 'localhost' ||\n // [::1] is the IPv6 localhost address.\n window.location.hostname === '[::1]' ||\n // 127.0.0.0/8 are considered localhost for IPv4.\n window.location.hostname.match(\n /^127(?:\\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/\n )\n);\n\nexport function register(config) {\n if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {\n // The URL constructor is available in all browsers that support SW.\n const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);\n if (publicUrl.origin !== window.location.origin) {\n // Our service worker won't work if PUBLIC_URL is on a different origin\n // from what our page is served on. This might happen if a CDN is used to\n // serve assets; see https://github.com/facebook/create-react-app/issues/2374\n return;\n }\n\n window.addEventListener('load', () => {\n const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;\n\n if (isLocalhost) {\n // This is running on localhost. Let's check if a service worker still exists or not.\n checkValidServiceWorker(swUrl, config);\n\n // Add some additional logging to localhost, pointing developers to the\n // service worker/PWA documentation.\n navigator.serviceWorker.ready.then(() => {\n console.log(\n 'This web app is being served cache-first by a service ' +\n 'worker. To learn more, visit https://bit.ly/CRA-PWA'\n );\n });\n } else {\n // Is not localhost. Just register service worker\n registerValidSW(swUrl, config);\n }\n });\n }\n}\n\nfunction registerValidSW(swUrl, config) {\n navigator.serviceWorker\n .register(swUrl)\n .then(registration => {\n registration.onupdatefound = () => {\n const installingWorker = registration.installing;\n if (installingWorker == null) {\n return;\n }\n installingWorker.onstatechange = () => {\n if (installingWorker.state === 'installed') {\n if (navigator.serviceWorker.controller) {\n // At this point, the updated precached content has been fetched,\n // but the previous service worker will still serve the older\n // content until all client tabs are closed.\n console.log(\n 'New content is available and will be used when all ' +\n 'tabs for this page are closed. See https://bit.ly/CRA-PWA.'\n );\n\n // Execute callback\n if (config && config.onUpdate) {\n config.onUpdate(registration);\n }\n } else {\n // At this point, everything has been precached.\n // It's the perfect time to display a\n // \"Content is cached for offline use.\" message.\n console.log('Content is cached for offline use.');\n\n // Execute callback\n if (config && config.onSuccess) {\n config.onSuccess(registration);\n }\n }\n }\n };\n };\n })\n .catch(error => {\n console.error('Error during service worker registration:', error);\n });\n}\n\nfunction checkValidServiceWorker(swUrl, config) {\n // Check if the service worker can be found. If it can't reload the page.\n fetch(swUrl, {\n headers: { 'Service-Worker': 'script' }\n })\n .then(response => {\n // Ensure service worker exists, and that we really are getting a JS file.\n const contentType = response.headers.get('content-type');\n if (\n response.status === 404 ||\n (contentType != null && contentType.indexOf('javascript') === -1)\n ) {\n // No service worker found. Probably a different app. Reload the page.\n navigator.serviceWorker.ready.then(registration => {\n registration.unregister().then(() => {\n window.location.reload();\n });\n });\n } else {\n // Service worker found. Proceed as normal.\n registerValidSW(swUrl, config);\n }\n })\n .catch(() => {\n console.log(\n 'No internet connection found. App is running in offline mode.'\n );\n });\n}\n\nexport function unregister() {\n if ('serviceWorker' in navigator) {\n navigator.serviceWorker.ready\n .then(registration => {\n registration.unregister();\n })\n .catch(error => {\n console.error(error.message);\n });\n }\n}\n","import React from 'react';\nimport ReactDOM from 'react-dom';\nimport './index.css';\nimport App from './App';\nimport * as serviceWorker from './serviceWorker';\n\nReactDOM.render(, document.getElementById('root'));\n\n// If you want your app to work offline and load faster, you can change\n// unregister() to register() below. Note this comes with some pitfalls.\n// Learn more about service workers: https://bit.ly/CRA-PWA\nserviceWorker.unregister();\n"],"sourceRoot":""}