day09 example is working

2024/09/index.js

@@ -1,17 +1,54 @@
 import fs from 'node:fs'
 
+class Block {
+    constructor() {
+        this.Id = BigInt
+        this.Size = BigInt
+
+    }
+}
+class Disk {
+    constructor() {
+        this.Map = [{}]
+
+    }
+
+}
+
 function init(filename) {
     const data = fs.readFileSync(filename, { encoding: 'utf-8' }, data => data)
+    const diskmap = [...data.split('')].map((sector, index) => index % 2 === 0 ? ''.padStart(sector, index / 2) : ''.padStart(sector, '.')).join("")
+    let reversed_table = [...diskmap].reverse().filter(sector => sector !== '.')
+    let new_diskmap = [...diskmap]
+    for (let i = 0; i < new_diskmap.length; i++) {
+        console.log(new_diskmap.join(""))
+        if (new_diskmap[i] === '.') {
+            const lastChar = reversed_table.shift()
+            const rightMostIndex = new_diskmap.lastIndexOf(lastChar);
+            if (rightMostIndex > i) {
+                [new_diskmap[i], new_diskmap[rightMostIndex]] = [new_diskmap[rightMostIndex], new_diskmap[i]];
+            }
+        }
+    }
 
-    let table = ""
-    let files = [...data.split('').filter((val, idx) => idx % 2 === 0)]
-    let free_spaces = [...data.split('').filter((val, idx) => idx % 2 !== 0)]
-    let diskmap = [...data.split('')]
+    /* might be part2 solution */
+    //let new_diskmap = table.split('')
+    // new_diskmap.map((value, index) => {
+    //     if (value === '.') {
+    //         for (let i = index + 1; i < new_diskmap.length; i++) {
+    //             if (new_diskmap[i] !== '.') {
+    //                 [new_diskmap[index], new_diskmap[i]] = [new_diskmap[i], new_diskmap[index]];
+    //                 break;
+    //             }
+    //         }
+    //     }
+    // });
 
-    diskmap.forEach((sector, index) => {
-        table += index % 2 === 0 ? ''.padStart(sector, index / 2) : ''.padStart(sector, '.')
+    let res = 0
+    new_diskmap.forEach((value, index) => {
+        res += !isNaN(value) ? index * value : 0
     })
-    console.log(table)
+    console.log(res)
 }
 
-init('easy_example.txt')
+init('example.txt')