add day 10

Author: zyhou

2024/10/index.ts

@@ -0,0 +1,47 @@
+enum Gift {
+  Coal = 0,
+  Train = 1,
+  Bicycle = 2,
+  Traditional = 3,
+  SuccessorToTheNintendoSwitch = 4,
+  TikTokPremium = 1 << 3,
+  Vape = 1 << 4,
+  OnTheMove = Gift.Coal | Gift.Bicycle | Gift.TikTokPremium | Gift.Vape,
+  OnTheCouch = Gift.Coal |
+    Gift.SuccessorToTheNintendoSwitch |
+    Gift.TikTokPremium |
+    Gift.Vape,
+}
+
+// ------------------- Test section ---------------------
+
+const test = <F extends Gift>(flag: F) => flag;
+
+test<Gift.Coal>(0);
+test<Gift.Train>(1);
+test<Gift.Bicycle>(2);
+test<Gift.SuccessorToTheNintendoSwitch>(4);
+test<Gift.TikTokPremium>(8);
+test<Gift.Vape>(16);
+test<Gift.Traditional>(3);
+test<Gift.OnTheMove>(26);
+test<Gift.OnTheCouch>(28);
+
+// @ts-expect-error
+test<Gift.Coal>(10);
+// @ts-expect-error
+test<Gift.Train>(11);
+// @ts-expect-error
+test<Gift.Bicycle>(12);
+// @ts-expect-error
+test<Gift.SuccessorToTheNintendoSwitch>(14);
+// @ts-expect-error
+test<Gift.TikTokPremium>(18);
+// @ts-expect-error
+test<Gift.Vape>(116);
+// @ts-expect-error
+test<Gift.Traditional>(13);
+// @ts-expect-error
+test<Gift.OnTheMove>(126);
+// @ts-expect-error
+test<Gift.OnTheCouch>(124);

eslint.config.js

@@ -37,6 +37,10 @@ export default tseslint.config(
         "error",
         { prefer: "type-imports", fixStyle: "separate-type-imports" },
       ],
+      "@typescript-eslint/prefer-literal-enum-member": [
+        "error",
+        { allowBitwiseExpressions: true },
+      ],
       "@typescript-eslint/no-unused-vars": [
         "error",
         {