74 lines
2.2 KiB
TypeScript
74 lines
2.2 KiB
TypeScript
import { ENV_CONFIG } from '../envs/constants'
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const formatter = new Intl.NumberFormat('en-US', {
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style: 'currency',
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currency: 'USD',
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maximumFractionDigits: 0,
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minimumFractionDigits: 0,
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})
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export function formatMoney(amount: number) {
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const newAmount = Math.round(amount) === 0 ? 0 : Math.floor(amount) // handle -0 case
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return ENV_CONFIG.moneyMoniker + formatter.format(newAmount).replace('$', '')
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}
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export function formatMoneyWithDecimals(amount: number) {
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return ENV_CONFIG.moneyMoniker + amount.toFixed(2)
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}
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export function capitalFirst(s: string) {
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return s.charAt(0).toUpperCase() + s.slice(1)
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}
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export function formatWithCommas(amount: number) {
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return formatter.format(Math.floor(amount)).replace('$', '')
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}
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export function manaToUSD(mana: number) {
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return (mana / 100).toLocaleString('en-US', {
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style: 'currency',
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currency: 'USD',
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})
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}
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export function formatPercent(zeroToOne: number) {
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// Show 1 decimal place if <2% or >98%, giving more resolution on the tails
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const decimalPlaces = zeroToOne < 0.02 || zeroToOne > 0.98 ? 1 : 0
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return (zeroToOne * 100).toFixed(decimalPlaces) + '%'
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}
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const showPrecision = (x: number, sigfigs: number) =>
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// convert back to number for weird formatting reason
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`${Number(x.toPrecision(sigfigs))}`
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// Eg 1234567.89 => 1.23M; 5678 => 5.68K
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export function formatLargeNumber(num: number, sigfigs = 2): string {
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const absNum = Math.abs(num)
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if (absNum < 1) return showPrecision(num, sigfigs)
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if (absNum < 100) return showPrecision(num, 2)
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if (absNum < 1000) return showPrecision(num, 3)
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if (absNum < 10000) return showPrecision(num, 4)
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const suffix = ['', 'K', 'M', 'B', 'T', 'Q']
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const i = Math.floor(Math.log10(absNum) / 3)
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const numStr = showPrecision(num / Math.pow(10, 3 * i), sigfigs)
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return `${numStr}${suffix[i] ?? ''}`
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}
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export function toCamelCase(words: string) {
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const camelCase = words
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.split(' ')
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.map((word) => word.trim())
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.filter((word) => word)
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.map((word, index) =>
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index === 0 ? word : word[0].toLocaleUpperCase() + word.substring(1)
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)
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.join('')
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// Remove non-alpha-numeric-underscore chars.
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const regex = /(?:^|\s)(?:[a-z0-9_]+)/gi
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return (camelCase.match(regex) || [])[0] ?? ''
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}
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