Day 2

src/day2/example.txt

@@ -0,0 +1,6 @@
+forward 5
+down 5
+forward 8
+up 3
+down 8
+forward 2

src/day2/index.ts

@@ -0,0 +1,34 @@
+import path from 'path';
+import {readFile} from "../utils";
+
+let input = readFile(path.resolve(__dirname, 'input.txt')).map((x: any) => x.split(' '));
+
+let forward = 0;
+let depth = 0;
+
+const add = (command: any) => {
+    if (command[0] === 'forward') forward += Number(command[1]);
+    else if (command[0] === 'down') depth += Number(command[1]);
+    else depth -= Number(command[1]);
+}
+
+input.map(add)
+
+console.log("Part 1", forward * depth)
+
+forward = 0;
+depth = 0;
+let aim = 0;
+
+const execute = (command: any) => {
+    if (command[0] === 'down') aim += Number(command[1]);
+    else if (command[0] === 'up') aim -= Number(command[1]);
+    else {
+        forward += Number(command[1])
+        depth += Number(command[1]) * aim
+    }
+}
+
+input.map(execute)
+
+console.log("Part 2", forward * depth)

src/utils/index.ts

@@ -1,5 +1,5 @@
 import * as fs from 'fs'
 
 export const readFile = (file: string): any => {
-    fs.readFileSync(file, {encoding: "utf-8"}).split("\r\n");
+    return fs.readFileSync(file, {encoding: "utf-8"}).split("\r\n");
 }