Day 2

package-lock.json

@@ -1,18 +1,291 @@
 {
+  "name": "AoC-2021",
+  "lockfileVersion": 2,
   "requires": true,
-  "lockfileVersion": 1,
+  "packages": {
+    "": {
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+        "ts-node": "^10.4.0",
+        "typescript": "^4.5.2"
+      }
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+      "dev": true,
+      "engines": {
+        "node": ">= 12"
+      }
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+    "node_modules/@cspotcode/source-map-support": {
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+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.7.0.tgz",
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+      "dependencies": {
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+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
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+      "engines": {
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+      "dev": true,
+      "engines": {
+        "node": ">=0.3.1"
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+      "dev": true,
+      "dependencies": {
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+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
+        "@tsconfig/node14": "^1.0.0",
+        "@tsconfig/node16": "^1.0.2",
+        "acorn": "^8.4.1",
+        "acorn-walk": "^8.1.1",
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "yn": "3.1.1"
+      },
+      "bin": {
+        "ts-node": "dist/bin.js",
+        "ts-node-cwd": "dist/bin-cwd.js",
+        "ts-node-script": "dist/bin-script.js",
+        "ts-node-transpile-only": "dist/bin-transpile.js",
+        "ts-script": "dist/bin-script-deprecated.js"
+      },
+      "peerDependencies": {
+        "@swc/core": ">=1.2.50",
+        "@swc/wasm": ">=1.2.50",
+        "@types/node": "*",
+        "typescript": ">=2.7"
+      },
+      "peerDependenciesMeta": {
+        "@swc/core": {
+          "optional": true
+        },
+        "@swc/wasm": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/typescript": {
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+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.5.2.tgz",
+      "integrity": "sha512-5BlMof9H1yGt0P8/WF+wPNw6GfctgGjXp5hkblpyT+8rkASSmkUKMXrxR0Xg8ThVCi/JnHQiKXeBaEwCeQwMFw==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
+    },
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+      "version": "3.1.1",
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+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    }
+  },
   "dependencies": {
+    "@cspotcode/source-map-consumer": {
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-consumer/-/source-map-consumer-0.8.0.tgz",
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+      "dev": true
+    },
+    "@cspotcode/source-map-support": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/@cspotcode/source-map-support/-/source-map-support-0.7.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@cspotcode/source-map-consumer": "0.8.0"
+      }
+    },
+    "@tsconfig/node10": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@tsconfig/node10/-/node10-1.0.8.tgz",
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+      "dev": true
+    },
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+    },
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+      "resolved": "https://registry.npmjs.org/@tsconfig/node14/-/node14-1.0.1.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/@tsconfig/node16/-/node16-1.0.2.tgz",
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       "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.11.tgz",
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+      "dev": true
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+      "dev": true
+    },
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+      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.4.0.tgz",
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+      "dev": true,
+      "requires": {
+        "@cspotcode/source-map-support": "0.7.0",
+        "@tsconfig/node10": "^1.0.7",
+        "@tsconfig/node12": "^1.0.7",
+        "@tsconfig/node14": "^1.0.0",
+        "@tsconfig/node16": "^1.0.2",
+        "acorn": "^8.4.1",
+        "acorn-walk": "^8.1.1",
+        "arg": "^4.1.0",
+        "create-require": "^1.1.0",
+        "diff": "^4.0.1",
+        "make-error": "^1.1.1",
+        "yn": "3.1.1"
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       "version": "4.5.2",
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       "dev": true
+    },
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+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
+      "dev": true
     }
   }
 }

package.json

@@ -1,9 +1,7 @@
 {
-  "scripts": {
-    "start": "ts-node src/index.ts"
-  },
   "devDependencies": {
     "@types/node": "^16.11.11",
+    "ts-node": "^10.4.0",
     "typescript": "^4.5.2"
   }
 }

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");
 }