advent-of-code

commit 8e9a847d8011e9e88ddf339fb35968a699bf4e78
parent accbe7c113bbb5f30fd9630cc1a02d5233fc204f
Author: finwo <finwo@pm.me>
Date:   Tue, 15 Nov 2022 12:03:59 +0100

Added solution for 2015/01

Diffstat:
M
.gitignore
 | 
1
+
A
2015/day-01/index.js
 | 
39
+++++++++++++++++++++++++++++++++++++++
A
2015/package-lock.json
 | 
28
++++++++++++++++++++++++++++
A
2015/package.json
 | 
14
++++++++++++++

4 files changed, 82 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 dist/
 node_modules/
+input
diff --git a/2015/day-01/index.js b/2015/day-01/index.js
@@ -0,0 +1,39 @@
+const fs = require('fs');
+const pipe = require('upipe');
+
+let floor = 0;
+let visitedBasement = false;
+let ccount = 0;
+
+const handler = pipe();
+handler.on('end', () => {
+  console.log(`Santa ends up on floor ${floor}`);
+});
+handler.on('data', c => {
+  switch(c) {
+    case '(':
+      floor++;
+      break;
+    case ')':
+      floor--;
+      break;
+  }
+
+  ccount++;
+
+  if (floor < 0 && !visitedBasement) {
+    visitedBasement = true;
+    console.log(`First entered the basement at instruction ${ccount}`);
+  }
+});
+
+
+fs.open('input', 'r', (err, fd) => {
+  if (err) throw err;
+  const buff = Buffer.alloc(1);
+  while(true) {
+    const c = fs.readSync(fd, buff, 0, 1, null);
+    if (c == 0) { handler.end(); break; };
+    handler.write(buff.toString());
+  }
+});
diff --git a/2015/package-lock.json b/2015/package-lock.json
@@ -0,0 +1,28 @@
+{
+  "name": "2015",
+  "version": "1.0.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "2015",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "upipe": "^0.1.3"
+      }
+    },
+    "node_modules/upipe": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/upipe/-/upipe-0.1.3.tgz",
+      "integrity": "sha512-9lLwD8qIpKhXxbWv3TqTsHp0KkrentGyEEQdoOOdoPHlcTDWsXeZg0dG38E+oqQDyNLZFDQ41J+TyHmmEgqxjQ=="
+    }
+  },
+  "dependencies": {
+    "upipe": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/upipe/-/upipe-0.1.3.tgz",
+      "integrity": "sha512-9lLwD8qIpKhXxbWv3TqTsHp0KkrentGyEEQdoOOdoPHlcTDWsXeZg0dG38E+oqQDyNLZFDQ41J+TyHmmEgqxjQ=="
+    }
+  }
+}
diff --git a/2015/package.json b/2015/package.json
@@ -0,0 +1,14 @@
+{
+  "name": "2015",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "upipe": "^0.1.3"
+  }
+}