comments and starting part 6, remove redundant trims

inputs/06.txt

@@ -0,0 +1,130 @@
+....................................#............##........#..#.#..#.........#.............#..............#.......................
+..................##.........#....................##.....#.......#.......................................#..........#.............
+.......#...........#.........................................................................................#.#.#................
+.#..........#...............................#....................................#...#.....#...#.#....................#....#......
+..........#..........................................#............#.........................#..#......#....#..#..........#........
+..........................................................................#..........................................#.........#..
+.....#....#...........................#......#..........#........................#..........#.............#...........#..........#
+................#.......................#...........#.............................#.....#..#..................................#...
+........................................................................#..#.......................................#..............
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+.............#....#.......#........#..#.......##................#.......................................#.........................
+......#..............#.#...#...............#.........................#.....#............#..#.........#...............#............
+..................#...#..............................................#................#.......#................#..................
+....#...#.............#........................#....................................#......#................#......#..............
+..........................................................................................#...#.........##........................
+.............#.#...............#.....#.#......#.............................#.......................................#.....#.......
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+........................##..................#........................#..........................................#.............#...
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+.....#..............#.........................#.....#...........#......................#..........................................
+.....##.....................#...............................................................#.....................................
+...................#.................................................................................#.....................#..#...
+...............................................^......................#...........................#...............................
+.......#...............#.........#.........#......#.......................................................................#.......
+........#.........#..#..##.................................#.....#..............#...........#..#........#.........................
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+....................................................#..........................................#........#..#.#.................#..
+....#...........#..#......#.........................#.....................#............................#.....#.#..............#...
+.............................#.......#..........#..................................................................#....#.....#...
+.....#.#................#...................#...............................................#.....................................
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+.......#..........#........................#.....................................#..............#......#...##.....................
+.....#..#.............................##........................................................#.....#..............#.#..........
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+...................#.........#....#................#.....#.........#....................#............#..#........#...............#
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+................#..........................#.......................................#........................................##.#..
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+.................#.....#.......#...........#.......#....................##....................................................#.#.
+......#....................................#.........................#..................................#................#.#..#...
+..............#...........................................................................................................#.......
+#.#......#.................................................................................#...........#...#......................
+...........................................#.#........#....#............#.....................#...................................
+...#.............#.....................................................................................................#..........
+..............#..........#............#...#..............#........................................##........#.....#.......#.......
+..................##........#.............................................#.........................................###...........
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+.............#..........#...................##.............#.........#..................#.........................................
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+.............................#........................#..................................................#....#...................
+.##...........................................#.....#....#....#.......................#...#.....#...#............#................
+........#.............#.........#..............#........................#.....................#...#...............................

solutions/01.ts

@@ -8,7 +8,6 @@ class DayOne implements Solvable {
 
     public part1(): DayOne {
         const vals = this.input
-            .trim()
             .split("\n")
             .map(line => line.split('   ').map(col => Number.parseInt(col)))
         const left = vals.map(line => line[0]).sort()

solutions/04-a.ts

@@ -10,7 +10,7 @@ class DayFour implements Solvable {
 
         const transpose = (m: string[][]) => m[0].map((_, i) => m.map(x => x[i]))
 
-        const matrix = this.input.trim().split('\n').map(line => line.split(''))
+        const matrix = this.input.split('\n').map(line => line.split(''))
 
         const countOccHorizontal = (mat: string[][]) => mat
             .map(line => line.join('')

solutions/05.ts

@@ -5,10 +5,11 @@ import type { Solvable } from "../solvable.ts";
 import { readInput } from "../utils.ts";
 
 class DayFive implements Solvable {
-    input: string[] = readInput('05').trim().split('\n\n')
+    input: string[] = readInput('05').split('\n\n')
     rules: number[][] = this.input[0].split('\n').map((input: string) => input.split('|').map(rule => Number.parseInt(rule)))
     updates: number[][] = this.input[1].split('\n').map(line => line.split(',').map(update => Number.parseInt(update)))
 
+    // generated in part 1 for part 2
     invalidUpdates: number[][] = []
 
     followsRules = (update: number[]): [boolean, number, number] => {
@@ -32,6 +33,7 @@ class DayFive implements Solvable {
             if (this.followsRules(update)[0]) {
                 validUpdates.push(update)
             } else {
+                // store these for part 2
                 this.invalidUpdates.push(update)
             }
         })

solutions/06.ts

@@ -0,0 +1,71 @@
+
+import { solvables } from "../main.ts";
+
+import type { Solvable } from "../solvable.ts";
+import { readInput } from "../utils.ts";
+
+type Direction = "up" | "down" | "left" | "right"
+
+class DaySix implements Solvable {
+    input: string[][] = readInput('06').split('\n').map(col => col.split(''))
+    map = this.input
+    visitedLoc = new Map()
+
+    // assigned in part1
+    startingPosition: [number, number] = [0, 0]
+
+    takeStep = (x: number, y: number, direction: Direction): [number, number] => {
+        switch (direction) {
+            case 'up':
+                return [x, y + 1]
+            case 'down':
+                return [x, y - 1]
+            case 'right':
+                return [x + 1, y]
+            case 'left':
+                return [x + 1, y]
+        }
+    }
+
+    walk = (x: number, y: number, direction: Direction): [boolean, number, number, Direction] => {
+        const nextStepInBounds = {
+            up: y > 1,
+            down: y < this.map.length,
+            left: x > 1,
+            right: x < this.map.length,
+        }
+
+        if (!nextStepInBounds[direction]) {
+            return [true, x, y, direction]
+        } else {
+            // TODO check for obstacles
+            const [newX, newY] = this.takeStep(x, y, direction)
+            return [false, newX, newY, direction]
+        }
+    }
+
+    public part1(): Solvable {
+        // find starting position
+        this.input.forEach((line, y) => line.forEach((col, x) => { if (col === '^') this.startingPosition = [y, x] }))
+        let [x, y] = [this.startingPosition[0], this.startingPosition[1]]
+        let direction: Direction = 'up'
+        let outOfBounds = false
+
+        while (!outOfBounds) {
+            [outOfBounds, x, y, direction] = this.walk(x, y, direction)
+        }
+
+
+
+        console.log()
+
+        return this
+    }
+
+    public part2(): Solvable {
+        console.log()
+        return this
+    }
+}
+
+solvables.push(new DaySix())

utils.ts

@@ -1,5 +1,5 @@
 function readInput(day: string): string {
-    return Deno.readTextFileSync('./inputs/' + day + '.txt')
+    return Deno.readTextFileSync('./inputs/' + day + '.txt').trim()
 }
 
 export { readInput };