From 9845e8c71cea9ce8125e73d62f62677416aca092 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=96=D0=B5=D1=80=D0=B5=D0=B1=D1=86=D0=BE=D0=B2=20=D0=94?=
 =?UTF-8?q?=D0=BC=D0=B8=D1=82=D1=80=D0=BE=20=D0=92=D1=96=D0=BA=D1=82=D0=BE?=
 =?UTF-8?q?=D1=80=D0=BE=D0=B2=D0=B8=D1=87?=
 <ipzk241_zhdv@student.ztu.edu.ua>
Date: Tue, 28 Jan 2025 14:02:13 +0200
Subject: [PATCH] refactoring, duplicate code

---
 assets/Js/Calculator.js | 39 ++++++++++++++++++---------------------
 1 file changed, 18 insertions(+), 21 deletions(-)

diff --git a/assets/Js/Calculator.js b/assets/Js/Calculator.js
index 903175f6..79b9b218 100644
--- a/assets/Js/Calculator.js
+++ b/assets/Js/Calculator.js
@@ -177,32 +177,29 @@ numberButtons.forEach(button => {
   })
 })
 
+const operationMap = {
+  "pie-button": 1,
+  "e-button": 2,
+  "square": 3,
+  "pow": 4,
+  "squareRoot": 5,
+  "logBase10": 6
+};
+
 operationButtons.forEach(button => {
   button.addEventListener('click', () => {
     if (button.classList.contains("special")) {
-      if (button.classList.contains("pie-button")) {
-        calculator.specialOperation(1)
-      }
-      else if (button.classList.contains("e-button")) {
-        calculator.specialOperation(2)
-      }
-      else if (button.classList.contains("square")) {
-        calculator.specialOperation(3)
-      }
-      else if (button.classList.contains("pow")) {
-        calculator.specialOperation(4)
-      }
-      else if (button.classList.contains("squareRoot")) {
-        calculator.specialOperation(5)
-      }
-      else if (button.classList.contains("logBase10")) {
-        calculator.specialOperation(6)
+      const specialOperationKey = Object.keys(operationMap).find(key => button.classList.contains(key));
+      if (specialOperationKey) {
+        calculator.specialOperation(operationMap[specialOperationKey]);
       }
+    } else {
+      calculator.chooseOperation(button.innerText);
     }
-    else calculator.chooseOperation(button.innerText)
-    calculator.updateDisplay()
-  })
-})
+    calculator.updateDisplay();
+  });
+});
+
 
 equalsButton.addEventListener('click', button => {
   calculator.compute()