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annotate react_games/pickRandom.ts @ 71:75de5903355c

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Giagantic changes that update Dowa library to be more align with stb style array and hashmap. Updated Seobeo to be caching on server side instead of file level caching. Deleted bunch of things I don't really use.
author June Park <parkjune1995@gmail.com>
date Sun, 28 Dec 2025 20:34:22 -0800
parents fb9bcd3145cb
children
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fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
MrJuneJune <me@mrjunejune.com>
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1 const LIST_OF_PROBLEM = [
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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2 {
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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3 name: "TicTacToe",
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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4 description: `
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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5 You are tasked with building a browser-based TicTacToe game using React.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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6
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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7 Requirements:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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8 1. The board is 3 × 3 with clickable cells.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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9 2. Two players (X and O) take turns marking empty cells.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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10 3. The game detects:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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11 - X wins
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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12 - O wins
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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13 - Tie
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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14 4. After the game ends, provide a "Reset" button to restart.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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15 5. (Optional) Add a move history feature allowing users to jump back to previous states.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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16
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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17 Focus Points:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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18 - Manage game state effectively using useReducer or useState.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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19 - Ensure no unnecessary re-renders for performance.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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20 - Style it minimally but clearly.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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21 `.trim()
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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22 },
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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23 {
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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24 name: "Robot Moving",
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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25 description: `
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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26 Create a grid-based game where a robot moves to reach a goal.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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27
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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28 Requirements:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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29 1. The grid is 10 × 10.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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30 2. The robot starts at (0, 0) and the goal is at a random position.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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31 3. Some cells are obstacles the robot cannot move into.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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32 4. Use arrow keys or buttons (Up, Down, Left, Right) to move the robot.
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33 5. The game ends when the robot reaches the goal.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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34
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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35 Focus Points:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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36 - Store the board, robot position, and obstacles in state.
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37 - Prevent moving out of bounds or into obstacles.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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38 - Show win message when the goal is reached.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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39 `.trim()
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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40 },
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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41 {
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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42 name: "Connect Four",
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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43 description: `
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
MrJuneJune <me@mrjunejune.com>
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44 Build a Connect Four game in React.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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45
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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46 Requirements:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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47 1. Board size: 7 columns × 6 rows.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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48 2. Two players take turns dropping discs into columns.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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49 3. Discs fall to the lowest available row in the chosen column.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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50 4. Detect win conditions: 4 in a row (horizontal, vertical, diagonal).
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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51 5. Provide a "Restart" button to reset the game.
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52
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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53 Focus Points:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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54 - Represent the board as a 2D array in state.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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55 - Efficiently check for win conditions.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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56 - Use memoization to avoid unnecessary re-renders.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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57 `.trim()
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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58 },
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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59 {
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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60 name: "Todo App",
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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61 description: `
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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62 Implement a simple Todo App with React and React Query.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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63
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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64 Requirements:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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65 1. Display a list of todos from a mock API.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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66 2. Add a new todo via a form.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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67 3. Mark todos as completed.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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68 4. Delete todos.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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69 5. Use optimistic updates so the UI responds instantly before the API confirms.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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70
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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71 Focus Points:
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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72 - Integrate React Query for data fetching and mutation.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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73 - Ensure loading and error states are handled gracefully.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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74 - Keep UI responsive even with network latency.
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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75 `.trim()
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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76 },
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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77 {
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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78 nmae: ""
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
MrJuneJune <me@mrjunejune.com>
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79 }
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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80 ];
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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81
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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82 function pickRandom<T>(list: Array<T>): T {
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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83 return list[Math.floor(Math.random() * list.length)];
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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84 }
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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85
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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86 // Mock test: print problem name & description
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87 const problem = pickRandom(LIST_OF_PROBLEM);
fb9bcd3145cb [ReactGames] Few games I made using react just to practice few things.
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88 console.log(`Problem: ${problem.name}\n\n${problem.description}`);
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89