add stuff form last year (gave up quickly)

2023/02/index.ts

@@ -0,0 +1,71 @@
+const args = Bun.argv.slice(2)
+
+if(args.length !== 1) {
+    console.error('Please, provide an input file')
+    process.exit(1)
+}
+
+const filename = args[0];
+
+
+const input = Bun.file(filename)
+const text = await input.text()
+
+let count = 0
+text.split('\n').map(e => e.trim()).filter(line => line)
+    .forEach(line => {
+        const [gameID, gameData] = line.split(':')
+        const min = gameData.split(';')
+            .map(set => set.trim())
+            .map(set => addArraysToObj(
+                    set.split(',').map(color =>
+                        color.trim().split(' ').reverse() as [string, string]
+                    )
+                )
+            ).reduce((acc, object) => {
+                for(const key of Object.keys(object)) {
+                    acc[key] = Math.max(acc[key] ?? 0, object[key] ?? 0)
+                }
+                return acc
+            }, {})
+
+        count += Object.values(min).reduce((a=1, b=1) => a * b, 1)
+    })
+
+console.log(count)
+
+function addArraysToObj(array: Array<[string, number | string]>) {
+    const object: { [key: string]: number } = {}
+    array.forEach(([key, val]) => object[key] = (object[key] ?? 0) + toNum(val))
+
+    return object
+}
+
+
+function toNum(n: number | string): number {
+    if(typeof n == 'number') return n;
+    else {
+        switch(n.toLowerCase()) {
+            case 'one':
+                return 1;
+            case 'two':
+                return 2;
+            case 'three':
+                return 3;
+            case 'four':
+                return 4;
+            case 'five':
+                return 5;
+            case 'six':
+                return 6;
+            case 'seven':
+                return 7;
+            case 'eight':
+                return 8;
+            case 'nine':
+                return 9;
+            default:
+                return parseInt(n)
+        }
+    }
+}