didnt have time to finish this. Shouldn't have gone with js though

04/example.txt

@@ -0,0 +1,13 @@
+ecl:gry pid:860033327 eyr:2020 hcl:#fffffd
+byr:1937 iyr:2017 cid:147 hgt:183cm
+
+iyr:2013 ecl:amb cid:350 eyr:2023 pid:028048884
+hcl:#cfa07d byr:1929
+
+hcl:#ae17e1 iyr:2013
+eyr:2024
+ecl:brn pid:760753108 byr:1931
+hgt:179cm
+
+hcl:#cfa07d eyr:2025 pid:166559648
+iyr:2011 ecl:brn hgt:59in

04/index.js

@@ -0,0 +1,86 @@
+const fs = require('fs');
+const readline = require('readline');
+
+//const fileStream = fs.createReadStream('input.txt');
+//const rl = readline.createInterface({input:fileStream, crlfDelay: Infinity});
+var lineReader = require('readline').createInterface({
+  input: require('fs').createReadStream('input.txt')
+});
+
+tmpPass = {};
+passList = [];
+
+var requiredFields = ["byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid"]; // "cid"
+
+async function parseLine(line) {
+  line.split(" ").forEach(str => {
+    key = str.split(":")[0];
+    val = str.split(":")[1];
+    tmpPass[key] = val;
+  });
+}
+
+
+async function finalisePassword() {
+  valid = true;
+  requiredFields.forEach(field => {
+    if (!Object.keys(tmpPass).includes(field) && valid == true) {
+      valid = false;
+      console.log(field);
+    } else if(valid) {
+      switch(field) {
+        case "byr":
+          tmpPass[field] = parseInt(tmpPass[field]);
+          valid = (tmpPass[field] >= 1920 && tmpPass <= 2002)
+          break;
+        case "iyr":
+          tmpPass[field] = parseInt(tmpPass[field]);
+          valid = (tmpPass[field] >= 2010 && tmpPass <= 2020)
+          break;
+        case "eyr":
+          tmpPass[field] = parseInt(tmpPass[field]);
+          valid = (tmpPass[field] >= 2020 && tmpPass <= 2030)
+          break;
+        case "hgt":
+          if (tmpPass[field].includes("cm")) {
+            hgt = parseInt(tmpPass[field].substring(0, tmpPass[field].indexOf("c")))
+            valid = (hgt >= 150 && hgt <= 193)
+          } else if (tmpPass[field].includes("in")) {
+            hgt = parseInt(tmpPass[field].substring(0, tmpPass[field].indexOf("i")))
+            valid = (hgt >= 150 && hgt <= 193)
+          } else {
+            valid = false;
+          }
+          break;
+        case "hcl":
+          //nog geen zin
+          break;
+        case "ecl":
+          break;
+        case "pid":
+          break;
+      }
+    }
+  });
+  if (valid) {
+    passList.push(1); //idk how cloning works man
+    tmpPass = {};
+    console.log(passList.length+1);
+  }
+  else {
+    tmpPass = {};
+  }
+}
+
+lineReader.on('line', async function (line) {
+
+  if (line.length == 0) {
+    await finalisePassword();
+  } else {
+    await parseLine(line);
+  }
+});
+
+//for (const line of rl) {
+//  console.log(line);
+//}