-
Notifications
You must be signed in to change notification settings - Fork 1
/
DEV#178.js
35 lines (30 loc) · 970 Bytes
/
DEV#178.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
// https://dev.to/thepracticaldev/daily-challenge-178-create-phone-numbers-3d64
function createPhoneNumber (arr) {
if (arr.length < 10) {
return 'Your phone number is not from this country'
}
arr.splice(0, 0, '(')
arr.splice(4, 0, ')')
arr.splice(5, 0, ' ')
arr.splice(9, 0, '-')
return arr.join('')
};
// Tests
const cases = [
{
label: '[1, 2, 3, 4, 5, 6, 7, 8, 9, 0]',
input: createPhoneNumber([1, 2, 3, 4, 5, 6, 7, 8, 9, 0]),
shouldBe: '(123) 456-7890'
},
{
label: '[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]',
input: createPhoneNumber([1, 1, 1, 1, 1, 1, 1, 1, 1, 1]),
shouldBe: '(111) 111-1111'
},
{
label: 'incomplete array',
input: createPhoneNumber([1, 1, 1, 1, 1, 1, 1, 1]),
shouldBe: 'Your phone number is not from this country'
}
]
cases.map(test => console.log((test.input === test.shouldBe ? '✅' : '❗') + ' ' + test.label + ' => ' + 'Should be: ' + test.shouldBe + ' received: ' + test.input))