atst/js/lib/dollars.js
2019-02-13 10:17:44 -05:00

37 lines
1022 B
JavaScript

export const formatDollars = (value, cents = true) => {
if (typeof value === 'number') {
return value.toLocaleString('us-US', {
style: 'currency',
currency: 'USD',
})
} else if (typeof value === 'string') {
if (value === '') {
return value
}
return parseFloat(value).toLocaleString('us-US', {
style: 'currency',
currency: 'USD',
})
}
return ''
}
export const abbreviateDollars = (value, decimals = 1) => {
if (value === null) {
return null
} // terminate early
if (value === 0) {
return '0'
} // terminate early
var b = value.toPrecision(2).split('e'), // get power
k = b.length === 1 ? 0 : Math.floor(Math.min(b[1].slice(1), 14) / 3), // floor at decimals, ceiling at trillions
c =
k < 1
? value.toFixed(0 + decimals)
: (value / Math.pow(10, k * 3)).toFixed(decimals), // divide by power
d = c < 0 ? c : Math.abs(c), // enforce -0 is 0
e = d + ['', 'k', 'M', 'B', 'T'][k] // append power
return e
}