Solution day 1

.editorconfig

@@ -17,3 +17,6 @@ insert_final_newline = false
 
 [*.{diff,md}]
 trim_trailing_whitespace = false
+
+[*.txt]
+insert_final_newline = false

app/controllers/puzzles/1.js

@@ -5,13 +5,64 @@ import PuzzlesBaseController from './base';
 export default class Puzzles1Controller extends PuzzlesBaseController {
   // BEGIN-SNIPPET day1-solution1
   solve1(input) {
-    return 'Solution 1';
+    const solution = input.reduce(
+      (accumulator, currentValue) =>
+        accumulator +
+        parseInt(
+          `${currentValue.replace(/\D/g, '').slice(0, 1)}${currentValue
+            .replace(/\D/g, '')
+            .slice(-1)}`,
+        ),
+      0,
+    );
+    return solution;
   }
   // END-SNIPPET
 
   // BEGIN-SNIPPET day1-solution2
   solve2(input) {
-    return 'Solution 1';
+    const digits = [
+      'one',
+      'two',
+      'three',
+      'four',
+      'five',
+      'six',
+      'seven',
+      'eight',
+      'nine',
+    ];
+    let solution = 0;
+    input.map((e) => {
+      let numbers = {};
+      let positions = [];
+      let realDigits = e.replace(/\D/g, '').split('');
+      realDigits.forEach((d) => {
+        let pos = e.indexOf(d);
+        if (positions.includes(pos)) {
+          pos = e.lastIndexOf(d);
+        }
+        positions.push(pos);
+        numbers[pos] = d;
+      });
+      digits.forEach((v, i) => {
+        if (e.includes(v)) {
+          let firstPos = e.indexOf(v);
+          let lastPos = e.lastIndexOf(v);
+          if (firstPos !== lastPos) {
+            numbers[lastPos] = i + 1;
+            positions.push(lastPos);
+          }
+          positions.push(firstPos);
+          numbers[firstPos] = i + 1;
+        }
+      });
+      positions.sort((a, b) => a > b);
+      solution += parseInt(
+        `${numbers[positions.slice(0, 1)]}${numbers[positions.slice(-1)]}`,
+      );
+    });
+    return solution;
   }
   // END-SNIPPET
 }