From de2708990d24ee972f05bc94872a8c5be9b5c372 Mon Sep 17 00:00:00 2001
From: YATIN KATHURIA <47096348+Yatin-kathuria@users.noreply.github.com>
Date: Fri, 26 Nov 2021 22:12:30 +0530
Subject: [PATCH] merge: Add FindMin (#849)

---
 Maths/FindMin.js           | 23 +++++++++++++++++++++++
 Maths/test/FindMin.test.js | 18 ++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 Maths/FindMin.js
 create mode 100644 Maths/test/FindMin.test.js

diff --git a/Maths/FindMin.js b/Maths/FindMin.js
new file mode 100644
index 000000000..9eee78dc7
--- /dev/null
+++ b/Maths/FindMin.js
@@ -0,0 +1,23 @@
+/**
+ * @function FindMin
+ * @description Function to find the minimum number given in an array of integers.
+ * @param {Integer[]} nums - Array of Integers
+ * @return {Integer} - The minimum number of the array.
+ */
+
+const findMin = (...nums) => {
+  if (nums.length === 0) {
+    throw new TypeError('Array is empty')
+  }
+
+  let min = nums[0]
+  for (let i = 1; i < nums.length; i++) {
+    if (nums[i] < min) {
+      min = nums[i]
+    }
+  }
+
+  return min
+}
+
+export { findMin }
diff --git a/Maths/test/FindMin.test.js b/Maths/test/FindMin.test.js
new file mode 100644
index 000000000..85381f80e
--- /dev/null
+++ b/Maths/test/FindMin.test.js
@@ -0,0 +1,18 @@
+import { findMin } from '../FindMin'
+
+describe('FindMin', () => {
+  test('Should return the minimum number in the array', () => {
+    const min = findMin(2, 5, 1, 12, 43, 1, 9)
+    expect(min).toBe(1)
+  })
+
+  test('Should return the minimum number in the array', () => {
+    const min = findMin(21, 513, 6)
+    expect(min).toBe(6)
+  })
+
+  test('Should throw error', () => {
+    const min = () => findMin()
+    expect(min).toThrow('Array is empty')
+  })
+})