4.1 hw

04week/mastermind/mastermind.js

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+'use strict';
+
+const readline = require('readline');
+const rl = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout
+});
+
+let board = [];
+let solution = '';
+let letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];
+
+function printBoard(guess) {
+  board.push(guess)
+  for (let i = 0; i < board.length; i++) {
+    //console.log(board);
+  }
+}
+
+function generateSolution() {
+  for (let i = 0; i < 4; i++) {
+    const randomIndex = getRandomInt(0, letters.length);
+    solution += letters[randomIndex];
+  }
+}
+
+function getRandomInt(min, max) {
+  return Math.floor(Math.random() * (max - min)) + min;
+}
+
+function generateHint(guess) {
+
+  let hint
+  let solutionArray = solution.split('');
+  let guessArray = guess.split('');
+  let correctLetterLocations = 0;
+  let correctLetter = 0;
+  let targetIndex = 0;
+
+  for (let i = 0; i < solutionArray.length; i++) {
+    if (solutionArray[i] === guessArray[i]) {
+      correctLetterLocations = correctLetterLocations + 1;
+      solutionArray[i] = null;
+    }
+  }
+  for (let i = 0; i < solutionArray.length; i++) {
+    targetIndex = guessArray.indexOf(solutionArray[i]);
+    if(targetIndex > -1){
+      correctLetter = correctLetter + 1;
+      solutionArray[i] = null;
+    }
+  }
+  console.log('Hint: '+ correctLetterLocations + '-' + correctLetter);
+  return correctLetterLocations + '-' + correctLetter;
+}
+
+function mastermind(guess) {
+  solution = 'abcd';
+
+  if (guess === solution) {
+    console.log("You guessed it!")
+    return "You guessed it!"
+  } else {
+    console.log("Wrong")
+    generateHint(guess);
+  }
+  printBoard(guess);
+  // Comment this out to generate a random solution
+  // your code here
+}
+
+function getPrompt() {
+  rl.question('guess: ', (guess) => {
+    mastermind(guess);
+    printBoard();
+    getPrompt();
+  });
+}
+
+module.exports = {
+  mastermind,
+  board,
+  generateHint,
+  generateSolution,
+  getPrompt
+}
+
+getPrompt();
+
+

04week/mastermind/package.json

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+{
+    "scripts": {
+        "start": "start",
+        "test": "mocha"
+    },
+    "devDependencies": {
+        "mocha": "^5.2.0"
+    },
+    "dependencies": {
+        "colors": "^1.3.3"
+    }
+}