solving Day02 in ts

Day02/ts/solution.ts

@@ -0,0 +1,75 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+interface ColorCounts {
+    red: number;
+    green: number;
+    blue: number;
+}
+
+/**
+ * Parses a line from the game data file.
+ *
+ * @param {string} line - A line from the game data file.
+ * @returns {ColorCounts} - An object containing the max counts of each color.
+ */
+function parseGameData(line: string): ColorCounts {
+    const colorCounts: ColorCounts = { red: 0, green: 0, blue: 0 };
+
+    const subsets = line.split(': ')[1].split('; ');
+    subsets.forEach(subset => {
+        subset.split(', ').forEach(color => {
+            const [count, colorName] = color.split(' ');
+            colorCounts[colorName as keyof ColorCounts] = Math.max(colorCounts[colorName as keyof ColorCounts], parseInt(count));
+        });
+    });
+
+    return colorCounts;
+}
+
+/**
+ * Calculates the power of a cube set.
+ *
+ * @param {ColorCounts} colorCounts - The counts of each color.
+ * @returns {number} - The power of the cube set.
+ */
+function calculatePower(colorCounts: ColorCounts): number {
+    return colorCounts.red * colorCounts.green * colorCounts.blue;
+}
+
+/**
+ * Processes the game data from a file.
+ *
+ * @param {string} filePath - The path to the file.
+ * @returns {number} - The sum of the powers of the minimum cube sets.
+ */
+function processGames(filePath: string): number {
+    try {
+        const lines = fs.readFileSync(filePath, 'utf-8').split('\n').filter(line => line);
+        return lines.reduce((sum, line) => sum + calculatePower(parseGameData(line)), 0);
+    } catch (error) {
+        throw new Error(`Failed to process file: ${filePath}. Error: ${error}`);
+    }
+}
+
+// Test the functionality
+function runTest(): void {
+    const testFilePath = path.join(__dirname, '../test.txt');
+    const testResult = processGames(testFilePath);
+    console.assert(testResult === 2286, `Test failed: Expected 2286, got ${testResult}`);
+    console.log(`Test Passed: Sum of powers for the minimum cube sets is ${testResult}`);
+}
+
+// Main execution
+function main(): void {
+    try {
+        runTest();
+        const inputFilePath = path.join(__dirname, '../input.txt');
+        const result = processGames(inputFilePath);
+        console.log(`From input.txt: Sum of powers for the minimum cube sets is ${result}`);
+    } catch (error) {
+        console.error(error);
+    }
+}
+
+main();