From 61e45e4c9f67a8d33fdbeedbed221528e74885d0 Mon Sep 17 00:00:00 2001
From: Vijay Takbhate <vijaytakbhate20@gmail.com>
Date: Tue, 26 Nov 2024 12:12:48 +0530
Subject: [PATCH 1/3] Drying codebase with _check function

---
 src/calculator.js | 32 +++++++-------------------------
 1 file changed, 7 insertions(+), 25 deletions(-)

diff --git a/src/calculator.js b/src/calculator.js
index b46080e5..c44ddeeb 100644
--- a/src/calculator.js
+++ b/src/calculator.js
@@ -1,47 +1,29 @@
 exports._check = () => {
-  // DRY up the codebase with this function
-  // First, move the duplicate error checking code here
-  // Then, invoke this function inside each of the others
-  // HINT: you can invoke this function with exports._check()
-};
-
-exports.add = (x, y) => {
   if (typeof x !== 'number') {
     throw new TypeError(`${x} is not a number`);
   }
   if (typeof y !== 'number') {
     throw new TypeError(`${y} is not a number`);
   }
+};
+
+exports.add = (x, y) => {
+  exports._check(x, y)
   return x + y;
 };
 
 exports.subtract = (x, y) => {
-  if (typeof x !== 'number') {
-    throw new TypeError(`${x} is not a number`);
-  }
-  if (typeof y !== 'number') {
-    throw new TypeError(`${y} is not a number`);
-  }
+  exports._check(x, y)
   return x - y;
 };
 
 exports.multiply = (x, y) => {
-  if (typeof x !== 'number') {
-    throw new TypeError(`${x} is not a number`);
-  }
-  if (typeof y !== 'number') {
-    throw new TypeError(`${y} is not a number`);
-  }
+  exports._check(x, y)
   return x * y;
 };
 
 exports.divide = (x, y) => {
-  if (typeof x !== 'number') {
-    throw new TypeError(`${x} is not a number`);
-  }
-  if (typeof y !== 'number') {
-    throw new TypeError(`${y} is not a number`);
-  }
+  exports._check(x, y)
   return x / y;
 };
 

From ea8110ea7e7de33eb692dbb4ac8f7b7a6084fddc Mon Sep 17 00:00:00 2001
From: Vijay Takbhate <vijaytakbhate20@gmail.com>
Date: Tue, 26 Nov 2024 12:35:49 +0530
Subject: [PATCH 2/3] drying_codebase

---
 src/calculator.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/calculator.js b/src/calculator.js
index c44ddeeb..dde57e95 100644
--- a/src/calculator.js
+++ b/src/calculator.js
@@ -1,4 +1,5 @@
 exports._check = () => {
+  
   if (typeof x !== 'number') {
     throw new TypeError(`${x} is not a number`);
   }

From cb8f69c44f5acf4531a0d0f211fd8bb587a97eba Mon Sep 17 00:00:00 2001
From: Vijay Takbhate <vijaytakbhate20@gmail.com>
Date: Tue, 26 Nov 2024 12:42:46 +0530
Subject: [PATCH 3/3] error_solved

---
 src/calculator.js | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/src/calculator.js b/src/calculator.js
index dde57e95..f6505158 100644
--- a/src/calculator.js
+++ b/src/calculator.js
@@ -1,5 +1,4 @@
-exports._check = () => {
-  
+exports._check = (x, y) => {
   if (typeof x !== 'number') {
     throw new TypeError(`${x} is not a number`);
   }
@@ -9,23 +8,26 @@ exports._check = () => {
 };
 
 exports.add = (x, y) => {
-  exports._check(x, y)
-  return x + y;
+  exports._check(x, y); 
+  return x + y;        
 };
 
 exports.subtract = (x, y) => {
-  exports._check(x, y)
-  return x - y;
+  exports._check(x, y); 
+  return x - y;       
 };
 
 exports.multiply = (x, y) => {
-  exports._check(x, y)
-  return x * y;
+  exports._check(x, y); 
+  return x * y;        
 };
 
 exports.divide = (x, y) => {
-  exports._check(x, y)
-  return x / y;
+  exports._check(x, y); 
+  if (y === 0) {        
+    throw new Error("Cannot divide by zero");
+  }
+  return x / y;         
 };
 
 module.exports = exports;