lint fixes

src/2015/day22.js

@@ -78,7 +78,7 @@ function playBoss(game) {
 
 function memoize(fn) {
   const memo = {};
-  return function (...x) {
+  return (...x) => {
     const s = JSON.stringify(x);
     return (memo[s] = memo[s] ?? fn(...x));
   };

src/2017/day18.js

@@ -9,7 +9,7 @@ export function getter(state, p) {
   }
 }
 
-export function parse(input, ops2 = {}, debug) {
+export function parse(input, ops2 = {}, debug = undefined) {
   const ops = {
     snd: p1 => state => (state.sound = getter(state, p1)),
     set: (p1, p2) => state => (state[p1] = getter(state, p2)),

src/2019/day14.js

@@ -56,7 +56,7 @@ export function part2(input) {
 
   let mid = Math.floor((start + end) / 2);
   let result = part1(input, mid);
-  while (result != value && start < end) {
+  while (result !== value && start < end) {
     if (value < result) {
       end = mid - 1;
     } else if (value > result) {

src/2019/day22.js

@@ -35,7 +35,7 @@ function increment({ length, offset }, count, undo) {
   }
 }
 
-export function part1(input, length = 10007, offset = 2019, undo) {
+export function part1(input, length = 10007, offset = 2019, undo = undefined) {
   const shuffles = input.split('\n').map(l => {
     const match = l.match(/(increment|cut) (-?\d+)/);
     if (match) {

src/2019/day24.js

@@ -19,10 +19,10 @@ function getBugs2(lifez, x, y, z) {
     if (y === 4) result.push(up[3][2]);
   }
   if (down) {
-    if (x == 2 && y === 1) result.push(...down[0]);
-    if (x == 2 && y === 3) result.push(...down[4]);
-    if (y == 2 && x === 1) result.push(...down.map(l => l[0]));
-    if (y == 2 && x === 3) result.push(...down.map(l => l[4]));
+    if (x === 2 && y === 1) result.push(...down[0]);
+    if (x === 2 && y === 3) result.push(...down[4]);
+    if (y === 2 && x === 1) result.push(...down.map(l => l[0]));
+    if (y === 2 && x === 3) result.push(...down.map(l => l[4]));
   }
   return result.filter(x => x === '#').length + getBugs(lifez[z], x, y);
 }

src/2022/day22.js

@@ -20,7 +20,7 @@ function wrapLogic1(maze, pos) {
 }
 
 function wrapLogic2(squares, width) {
-  return function (maze, pos) {
+  return (maze, pos) => {
     const offset = { x: pos.x % width, y: pos.y % width };
     const mirror = { x: width - offset.x - 1, y: width - offset.y - 1 };
     const [i, direction] = squares.find(

src/2023/day12.js

@@ -1,6 +1,6 @@
 function memoize(fn) {
   const memo = {};
-  return function (...x) {
+  return (...x) => {
     const s = JSON.stringify(x);
     return (memo[s] = memo[s] ?? fn(...x));
   };