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Merged
merged 1 commit into from
Nov 26, 2021
Merged

Add FindMin #849

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23 changes: 23 additions & 0 deletions Maths/FindMin.js
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Original file line number Diff line number Diff line change
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/**
* @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 }
18 changes: 18 additions & 0 deletions Maths/test/FindMin.test.js
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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')
})
})