refactor: migrate 08/2024

Author: breadadams

.gitignore

@@ -1,3 +1,3 @@
 node_modules
 .DS_Store
-*.txt
+puzzle.txt

2024/07/example.txt

@@ -0,0 +1,9 @@
+190: 10 19
+3267: 81 40 27
+83: 17 5
+156: 15 6
+7290: 6 8 6 15
+161011: 16 10 13
+192: 17 8 14
+21037: 9 7 18 13
+292: 11 6 16 20

2024/08/example.txt

@@ -0,0 +1,12 @@
+............
+........0...
+.....0......
+.......0....
+....0.......
+......A.....
+............
+............
+........A...
+.........A..
+............
+............

2024/08/index.test.ts

@@ -0,0 +1,25 @@
+import { expect, describe, test } from "bun:test";
+import { part1, part2 } from ".";
+import { getInputs } from "../../utils/get-inputs";
+
+const { exampleInput, puzzleInput } = await getInputs("2024/08");
+
+describe("part 1", () => {
+  test("example", () => {
+    expect(part1(exampleInput)).toBe(14);
+  });
+
+  test("puzzle", () => {
+    expect(part1(puzzleInput)).toBe(269);
+  });
+});
+
+describe("part 2", () => {
+  test("example", () => {
+    expect(part2(exampleInput)).toBe(34);
+  });
+
+  test("puzzle", () => {
+    expect(part2(puzzleInput)).toBe(949);
+  });
+});

2024/08/index.ts

@@ -1,16 +1,18 @@
-import { getPuzzle } from "../../utils";
+import { timePart1, timePart2 } from "../../utils/time-part";
 
-const puzzleInput = getPuzzle(__dirname).trim();
+const parseInput = (input: string) =>
+  input.split("\n").map((row) => row.split(""));
 
-const map = puzzleInput.split("\n").map((row) => row.split(""));
+const measureMap = (map: ReturnType<typeof parseInput>) => {
+  const WIDTH = map[0].length;
+  const HEIGHT = map.length;
 
-const WIDTH = map[0].length;
-const HEIGHT = map.length;
-
-// Part 1
-(() => {
-  console.time("part 1");
+  return { WIDTH, HEIGHT };
+};
 
+export const part1 = timePart1((input: string) => {
+  const map = parseInput(input);
+  const { HEIGHT, WIDTH } = measureMap(map);
   const antennas = new Map<string, Set<string>>();
 
   for (let y = 0; y < HEIGHT; y++) {
@@ -22,7 +24,7 @@ const HEIGHT = map.length;
       }
 
       if (antennas.has(cell)) {
-        antennas.get(cell).add(`${x},${y}`);
+        antennas.get(cell)!.add(`${x},${y}`);
       } else {
         antennas.set(cell, new Set<string>([`${x},${y}`]));
       }
@@ -83,13 +85,12 @@ const HEIGHT = map.length;
     }
   }
 
-  console.log("part 1 antinode count ::", antinodes.size);
-  console.timeEnd("part 1");
-})();
+  return antinodes.size;
+});
 
-// Part 2
-(() => {
-  console.time("part 2");
+export const part2 = timePart2((input: string) => {
+  const map = parseInput(input);
+  const { HEIGHT, WIDTH } = measureMap(map);
   const antennas = new Map<string, Set<string>>();
 
   for (let y = 0; y < HEIGHT; y++) {
@@ -101,7 +102,7 @@ const HEIGHT = map.length;
       }
 
       if (antennas.has(cell)) {
-        antennas.get(cell).add(`${x},${y}`);
+        antennas.get(cell)!.add(`${x},${y}`);
       } else {
         antennas.set(cell, new Set<string>([`${x},${y}`]));
       }
@@ -198,6 +199,5 @@ const HEIGHT = map.length;
     }
   }
 
-  console.log("part 2 antinode count ::", antinodes.size);
-  console.timeEnd("part 2");
-})();
+  return antinodes.size;
+});

utils/get-inputs.ts

@@ -1,6 +1,14 @@
 export const getInputs = async (basePath: string) => {
-  const exampleInput = await Bun.file(`${basePath}/example.txt`).text();
-  const puzzleInput = await Bun.file(`${basePath}/puzzle.txt`).text();
+  let exampleInput: string = "";
+  let puzzleInput: string = "";
+
+  try {
+    exampleInput = await Bun.file(`${basePath}/example.txt`).text();
+  } catch {}
+
+  try {
+    puzzleInput = await Bun.file(`${basePath}/puzzle.txt`).text();
+  } catch {}
 
   return { exampleInput, puzzleInput };
 };