part 1

2022/03/part1.js

@@ -0,0 +1,23 @@
+import * as R from "remeda";
+import fs from 'fs-extra';
+import path from 'path';
+
+const readFile = (year,day,file) => fs.readFileSync(
+    path.join( year, day, file ),
+  "utf8"
+);
+
+export const sample = readFile('2022','03','sample');
+export const puzzleInput = readFile('2022','03','input');
+
+export const solutionPart1 = R.createPipe(
+    text => text.split("\n"),
+    R.filter( R.identity ),
+    R.map( line => line.split('') ),
+    R.map( line => [ line, line.splice( line.length / 2 ) ] ),
+    R.map( line => R.intersection(...line) ),
+    R.map( line => line[0].charCodeAt(0) ),
+    R.map( code => code > 96 ? code - 96 : code - 38 ),
+    R.sumBy( R.identity )
+);
+

2022/03/part2.js

@@ -0,0 +1,2 @@
+import * as R from "remeda";
+

2022/03/sample

@@ -0,0 +1,6 @@
+vJrwpWtwJgWrhcsFMMfFFhFp
+jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
+PmmdzqPrVvPwwTWBwg
+wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
+ttgJtRGJQctTZtZT
+CrZsJsPPZsGzwwsLwLmpwMDw

2022/03/test.js

@@ -0,0 +1,29 @@
+import { test, expect, describe } from "vitest";
+
+import {
+  solutionPart1,
+    sample,
+    puzzleInput,
+} from "./part1.js";
+import { solutionPart2 } from "./part2.js";
+
+function expectSolution(result) {
+  console.info(result);
+  return expect(result);
+}
+
+describe("part 1", () => {
+    test( 'sample', () => {
+        console.log(JSON.stringify(solutionPart1(sample)));
+        expectSolution(solutionPart1(sample)).toEqual(157)
+    });
+  test("solution", () => {
+    expectSolution(solutionPart1(puzzleInput)).toEqual('TODO');
+  });
+});
+
+describe("part 2", () => {
+  test.todo("solution", () => {
+    expectSolution(solutionPart2(puzzleInput)).toEqual('TODO');
+  });
+});