prettier

2022/08/part1.js

@@ -73,10 +73,14 @@ export function generateVisibilityGrid(forest) {
 export const puzzleInput = readInput(import.meta.url, "input");
 export const sample = readInput(import.meta.url, "sample");
 
-export function printMap(forest) {
-  forest.forEach((line) => console.log(line.join(" ")));
-  return forest;
-}
+export const passthru = (func) => (arg) => {
+  func(arg);
+  return arg;
+};
+
+export const printMap = passthru((forest) =>
+  forest.forEach((line) => console.log(line.join(" ")))
+);
 
 export default R.createPipe(
   generateVisibilityGrid,

2022/08/part2.js

@@ -1,8 +1,7 @@
 import * as R from "remeda";
-import memo from "memoizerific";
 import Victor from "@a-robu/victor";
 
-import { printMap, outOfBound } from "./part1";
+import { outOfBound } from "./part1";
 
 const V = (...args) => new Victor(...args);
 
@@ -21,8 +20,8 @@ function visibility(forest, x, y, dx, dy) {
   }
 }
 
-const visibilityAround = (forest) => (x, y) => {
-  return [
+const visibilityAround = (forest) => (x, y) =>
+  [
     [0, 1],
     [0, -1],
     [1, 0],
@@ -30,20 +29,11 @@ const visibilityAround = (forest) => (x, y) => {
   ]
     .map((d) => visibility(forest, x, y, ...d))
     .reduce((a, b) => a * b);
-};
 
 export default R.createPipe(
   (forest) => {
-    const viz = Array(forest.length)
-      .fill(null)
-      .map(() => Array(forest.length).fill(0));
-
-    for (const x of R.range(0, forest.length)) {
-      for (const y of R.range(0, forest.length)) {
-        viz[x][y] = visibilityAround(forest)(x, y);
-      }
-    }
-    return viz;
+    const va = visibilityAround(forest);
+    return forest.map((l, x) => l.map((_, y) => va(x, y)));
   },
   R.flatten,
   R.maxBy(R.identity)