110 lines
2.8 KiB
TypeScript
110 lines
2.8 KiB
TypeScript
const digits2 = new Intl.NumberFormat('en', { maximumFractionDigits: 2 })
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const digits6 = new Intl.NumberFormat('en', { maximumFractionDigits: 6 })
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const digits8 = new Intl.NumberFormat('en', { maximumFractionDigits: 8 })
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const digits9 = new Intl.NumberFormat('en', { maximumFractionDigits: 9 })
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export const formatDecimal = (
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value: number,
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decimals: number = 6,
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opts = { fixed: false }
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): string => {
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if (opts?.fixed) return value.toFixed(decimals)
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if (value > -0.0000001 && value < 0.0000001) return '0.00'
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if (decimals === 2) return digits2.format(value)
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if (decimals === 6) return digits6.format(value)
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if (decimals === 8) return digits8.format(value)
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if (decimals === 9) return digits9.format(value)
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return value.toString()
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}
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export const numberFormat = new Intl.NumberFormat('en', {
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maximumSignificantDigits: 7,
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})
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export const floorToDecimal = (value: number, decimals: number) => {
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return Math.floor(value * 10 ** decimals) / 10 ** decimals
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}
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const usdFormatter0 = Intl.NumberFormat('en', {
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minimumFractionDigits: 0,
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maximumFractionDigits: 0,
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style: 'currency',
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currency: 'USD',
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})
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const usdFormatter2 = Intl.NumberFormat('en', {
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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style: 'currency',
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currency: 'USD',
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})
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const usdFormatter4 = Intl.NumberFormat('en', {
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minimumFractionDigits: 4,
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maximumFractionDigits: 4,
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style: 'currency',
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currency: 'USD',
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})
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const numberFormatter0 = Intl.NumberFormat('en', {
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minimumFractionDigits: 0,
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maximumFractionDigits: 0,
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})
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const numberFormatter2 = Intl.NumberFormat('en', {
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minimumFractionDigits: 2,
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maximumFractionDigits: 2,
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})
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const numberFormatter4 = Intl.NumberFormat('en', {
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minimumFractionDigits: 4,
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maximumFractionDigits: 4,
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})
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const numberFormatter6 = Intl.NumberFormat('en', {
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minimumFractionDigits: 6,
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maximumFractionDigits: 6,
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})
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export const formatFixedDecimals = (
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value: number,
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isCurrency?: boolean
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): string => {
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let formattedValue
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if (value === 0) {
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formattedValue = isCurrency ? '$0.00' : '0'
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} else if (value >= 1000) {
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formattedValue = isCurrency
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? usdFormatter0.format(value)
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: floorToDecimal(value, 0).toFixed(0)
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} else if (value >= 1) {
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formattedValue = isCurrency
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? usdFormatter2.format(value)
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: floorToDecimal(value, 3).toFixed(3)
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} else {
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formattedValue = isCurrency
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? usdFormatter2.format(value)
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: floorToDecimal(value, 4).toFixed(4)
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}
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if (formattedValue === '-$0.00') return '$0.00'
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return formattedValue
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}
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export const countLeadingZeros = (x: number) => {
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if (x % 1 == 0) {
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return 0
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} else {
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return -1 - Math.floor(Math.log10(x % 1))
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}
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}
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export const trimDecimals = (n: number, digits: number) => {
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const step = Math.pow(10, digits || 0)
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const temp = Math.trunc(step * n)
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return temp / step
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}
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