-
-
Notifications
You must be signed in to change notification settings - Fork 0
/
terbilang.ts
53 lines (46 loc) · 1.3 KB
/
terbilang.ts
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
export function terbilang(num: number): string {
const bilangan: string[] = [
'',
'Satu',
'Dua',
'Tiga',
'Empat',
'Lima',
'Enam',
'Tujuh',
'Delapan',
'Sembilan',
'Sepuluh',
'Sebelas',
]
const units: string[] = ['', 'Puluh', 'Ratus', 'Ribu', 'Juta', 'Milyar', 'Triliun', 'Kuadriliun']
if (num < 12) {
return bilangan[num]
}
if (num < 20) {
return bilangan[num - 10] + ' Belas'
}
if (num < 100) {
const [depan, belakang] = [Math.floor(num / 10), num % 10]
return `${bilangan[depan]} ${units[1]}${belakang ? ` ${bilangan[belakang]}` : ''}`
}
if (num < 1000) {
const [depan, belakang] = [Math.floor(num / 100), num % 100]
if (num >= 100 && num < 200) {
return `Seratus ${terbilang(num - 100)}`
}
return `${bilangan[depan]} ${units[2]}${belakang ? ` ${terbilang(belakang)}` : ''}`
}
if (num >= 1000 && num < 2000) {
return `Seribu ${terbilang(num - 1000)}`
}
for (let i = 3; i < units.length; i++) {
const unitValue = 10 ** (3 * (i - 1))
if (num < unitValue) {
const [depan, belakang] = [Math.floor(num / (unitValue / 1000)), num % (unitValue / 1000)]
const unitName = units[i]
return `${terbilang(depan)} ${unitName}${belakang ? ` ${terbilang(belakang)}` : ''}`
}
}
return ''
}