Day 2 part 1 done

2021/2.ts

@@ -0,0 +1,26 @@
+import { collectArray, inputLines, measureDuration } from "./common.ts";
+const input = await collectArray(await inputLines("2"));
+
+export function part1(input: string[]): number {
+  let x = 0;
+  let y = 0;
+  for (const line of input) {
+    console.log(line);
+    if (line.startsWith("forward ")) {
+      x += parseInt(line.substr(8));
+    } else if (line.startsWith("up ")) {
+      y -= parseInt(line.substr(3));
+    } else if (line.startsWith("down ")) {
+      y += parseInt(line.substr(5));
+    }
+  }
+  return x * y;
+}
+
+await measureDuration(() => console.log("Part 1", part1(input)));
+
+export function part2(input: string[]): number {
+  return 0;
+}
+
+await measureDuration(() => console.log("Part 2", part2(input)));

2021/common.ts

@@ -5,7 +5,6 @@ export const XDG_CACHE_HOME = Deno.env.get("XDG_CACHE_HOME") ||
   path.join(HOME, ".config");
 
 const INPUT_CACHE_DIR = path.join(XDG_CACHE_HOME, "aoc2021");
-console.log(INPUT_CACHE_DIR);
 
 async function fileExists(filePath: string) {
   try {
@@ -96,7 +95,7 @@ export async function preloadedAsyncIterator<T>(
   return asyncIterator(arr);
 }
 
-export async function measureDuration(cb: () => Promise<void>) {
+export async function measureDuration(cb: () => Promise<void> | void) {
   const p1t = window.performance.now();
   await cb();
   const p1t2 = window.performance.now();