Sha256: eb92f8bafc08dc1e603c56abed0e81923c44a77413a0b118096e7b7e4dd00072
Contents?: true
Size: 1.64 KB
Versions: 211
Compression:
Stored size: 1.64 KB
Contents
const smallNumbers = {
0: 'zero',
1: 'one',
2: 'two',
3: 'three',
4: 'four',
5: 'five',
6: 'six',
7: 'seven',
8: 'eight',
9: 'nine',
10: 'ten',
11: 'eleven',
12: 'twelve',
13: 'thirteen',
14: 'fourteen',
15: 'fifteen',
16: 'sixteen',
17: 'seventeen',
18: 'eighteen',
19: 'nineteen'
};
const decades = {
20: 'twenty',
30: 'thirty',
40: 'forty',
50: 'fifty',
60: 'sixty',
70: 'seventy',
80: 'eighty',
90: 'ninety'
};
const bigNumbers = {
1000: 'thousand',
1000000: 'million',
1000000000: 'billion'
};
function bigPart(number) {
let factor, result = '';
for (let bigNumber = 1000000000; bigNumber >= 1000; bigNumber /= 1000) {
if (number.current >= bigNumber) {
factor = Math.floor(number.current / bigNumber);
result += threeDigit(factor) + ' ' + bigNumbers[bigNumber] + ' ';
number.current = number.current - factor * bigNumber;
}
}
return result;
}
const sayDecade = n => {
for (let decade = 90; decade >= 20; decade -= 10) {
if (n >= decade) {
return decades[decade] + '-' + smallNumbers[n - decade];
}
}
};
const twoDigit = n => n < 20 ? smallNumbers[n] : sayDecade(n);
const threeDigit = n => n < 100 ? twoDigit(n)
: smallNumbers[Math.floor(n / 100)] + ' hundred ' + twoDigit(n % 100);
export default class Say {
inEnglish(n) {
let result;
const number = {current: n};
if (0 <= n && n < 1000000000000) {
result = bigPart(number);
result += threeDigit(number.current);
return result.replace(/.zero/, '');
} else {
throw new Error('Number must be between 0 and 999,999,999,999.');
}
}
}
Version data entries
211 entries across 211 versions & 1 rubygems