day 14, fun but strange

src/day14/README.md

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+# 🎄 Advent of Code 2024 - day 14 🎄
+
+## Info
+
+Task description: [link](https://adventofcode.com/2024/day/14)
+
+## Notes
+
+...

src/day14/index.ts

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+import run from "aocrunner"
+
+const parseInput = (rawInput: string) => rawInput.split("\n")
+.map((l) => Array.from(l.matchAll(/-?\d+/g)).map(Number))
+
+const part1 = (rawInput: string) => {
+  const input = parseInput(rawInput)
+  const width = 101
+  const height = 103
+  let quadrantCounts = [0,0,0,0] // TL, TR, BR, BL
+  const halfX = (width - 1) / 2
+  const halfY = (height - 1) / 2
+  input.forEach(([ix, iy, dx, dy]) => {
+    const destx = (ix + (width + dx) * 100) % width
+    const desty = (iy + (height + dy) * 100) % height
+    if (desty === halfY || destx === halfX) { return }
+    quadrantCounts[
+      (desty > halfY ? 2 : 0) + (destx > halfX ? 1 : 0)
+    ] += 1
+  })
+  return quadrantCounts.reduce((total, here) => {
+    return total * here
+  }, 1)
+}
+
+const part2 = (rawInput: string) => {
+  (async () => {
+    const input = parseInput(rawInput)
+    const width = 101
+    const height = 103
+    for (let i = 0; i < 20000; i++) {
+      const canvas: string[][] = []
+      for (let y = 0; y < height; y++) {
+        canvas.push(" ".repeat(width).split(''))
+      }
+      input.forEach(([ix, iy, dx, dy]) => {
+        const destx = (ix + (width + dx) * i) % width
+        const desty = (iy + (height + dy) * i) % height
+        canvas[desty][destx] = "#"
+      })
+      if (canvas.some(line => line.join('').includes("##########"))) {
+        await new Promise(resolve => setTimeout(resolve, 1000))
+        console.log(`\nTIME: ${i} seconds\n${canvas.map(line => console.log(line.join(""))).join('\n')}`)
+      }
+    }
+  })()
+}
+
+run({
+  part1: {
+    tests: [
+//       {
+//         input: `p=0,4 v=3,-3
+// p=6,3 v=-1,-3
+// p=10,3 v=-1,2
+// p=2,0 v=2,-1
+// p=0,0 v=1,3
+// p=3,0 v=-2,-2
+// p=7,6 v=-1,-3
+// p=3,0 v=-1,-2
+// p=9,3 v=2,3
+// p=7,3 v=-1,2
+// p=2,4 v=2,-3
+// p=9,5 v=-3,-3`,
+//         expected: 12,
+//       },
+    ],
+    solution: part1,
+  },
+  part2: {
+    tests: [
+      // {
+      //   input: ``,
+      //   expected: "",
+      // },
+    ],
+    solution: part2,
+  },
+  trimTestInputs: true,
+  onlyTests: false,
+})