first commit

2.1.ts

@@ -0,0 +1,34 @@
+import { open } from 'node:fs/promises';
+
+const bag = {
+    "red": 12,
+    "green": 13,
+    "blue": 14
+} as { [key: string]: number }
+
+const file = await open('./inputs/2');
+let sum = 0
+for await (let origLine of file.readLines()) {
+    const result = (/Game (?<id>[0-9]+): (?<pulls>.*)/gm).exec(origLine)
+
+    if (result == null) throw Error('result is null')
+    const pulls = result.groups?.pulls.split('; ')
+    if (pulls == undefined) throw Error('pulls is undefined')
+    const id = Number(result.groups?.id)
+    if (isNaN(id)) throw Error('id is undefined')
+
+    const possible = pulls.reduce((acc, pull) => {
+        const balls = pull.split(', ')
+        return balls.reduce((acc, ball)=>{
+            const singles = (/(?:(?<n>\d+) (?<c>\w+)(?:, )?)+/gm).exec(ball)
+            if (singles == null || singles.groups == null) throw Error()
+            if (Number(singles.groups.n) > bag[singles.groups.c]) { return false }
+            return true && acc
+        }, true) && acc
+            
+    }, true)
+    if(possible){
+        sum += id
+    }
+}
+console.log(sum)