chore: claude code refactor (7.5/10)

ui.ts

@@ -1,6 +1,13 @@
 // UI utilities and game interface
 
 import { colors } from "@cliffy/ansi/colors";
+
+// UI Constants
+const WAIT_TIMES = {
+  DEFAULT: 2000,      // 2 seconds for default modes
+  WORDS: 6000,        // 6 seconds for words mode
+  PHRASES: 8000,      // 8 seconds for phrases mode
+} as const;
 import { Confirm } from "@cliffy/prompt/confirm";
 import { Input } from "@cliffy/prompt/input";
 import { Select } from "@cliffy/prompt/select";
@@ -100,10 +107,10 @@ export async function showTranslator(): Promise<void> {
   await new Promise((resolve) => {
     const buf = new Uint8Array(1);
     Deno.stdin.setRaw(true);
-    Deno.stdin.read(buf).then(() => {
-      Deno.stdin.setRaw(false);
-      resolve(undefined);
-    });
+    Deno.stdin.read(buf)
+      .then(() => resolve(undefined))
+      .catch(() => resolve(undefined))
+      .finally(() => Deno.stdin.setRaw(false));
   });
 }
 
@@ -248,23 +255,35 @@ export async function playRound(
   );
   console.log(colors.dim("     Use / for word spaces\n"));
 
-  // Create a promise that rejects after the time limit
-  const timeoutPromise = new Promise<string>((_, reject) => {
-    setTimeout(() => {
-      reject(new Error("Time's up!"));
-    }, timeLimit * 1000);
-  });
-
   // Get user input with timeout
   let userInput = "";
+  let timeoutId: number | undefined;
+
   try {
+    // Create a promise that rejects after the time limit
+    const timeoutPromise = new Promise<string>((_, reject) => {
+      timeoutId = setTimeout(() => {
+        reject(new Error("Time's up!"));
+      }, timeLimit * 1000);
+    });
+
     const inputPromise = Input.prompt({
       message: "Your answer:",
       minLength: 0,
     });
 
     userInput = await Promise.race([inputPromise, timeoutPromise]);
+
+    // Clear timeout if input was received first
+    if (timeoutId !== undefined) {
+      clearTimeout(timeoutId);
+    }
   } catch (error) {
+    // Clear timeout on error
+    if (timeoutId !== undefined) {
+      clearTimeout(timeoutId);
+    }
+
     if (error instanceof Error && error.message === "Time's up!") {
       console.log(colors.red("\n⏰ Time's up!"));
       userInput = ""; // Empty input for timeout
@@ -299,11 +318,11 @@ export async function playRound(
   }
 
   // Longer wait time for words and phrases
-  let waitTime = 2000; // Default: 2 seconds
+  let waitTime: number = WAIT_TIMES.DEFAULT;
   if (session.config.mode === "words") {
-    waitTime = 6000; // 6 seconds for words
+    waitTime = WAIT_TIMES.WORDS;
   } else if (session.config.mode === "phrases") {
-    waitTime = 8000; // 8 seconds for phrases
+    waitTime = WAIT_TIMES.PHRASES;
   }
 
   // Wait for user to continue