day01 in rust

day01/js/index.mjs

@@ -0,0 +1,24 @@
+import * as readline from 'node:readline';
+import * as fs from 'node:fs';
+
+
+const data = [];
+const rl = readline.createInterface({ 
+    input: fs.createReadStream('./input') 
+});
+
+for await (const line of rl) {
+    data.push(parseInt(line, 10));
+}
+
+
+let last = null;
+let part1 = 0;
+
+for (const v in data) {
+    if (last !== null && v > last) counter++;
+    last = v;    
+}
+
+console.log('part1', part1);
+