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| 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 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | 8x 8x 8x 8x 6x 6x 4x 4x 30x 30x 30x 30x 12x 12x 12x 46x 39x 29x 12x 6x 6x 18x 18x 6x | import { CurrencySettingsDTO } from "@nosto/nosto-js/client"
import { nostojs } from "@nosto/nosto-js"
const defaultConfig = {
defaultCurrency: "EUR",
defaultLocale: "en-US",
/** @hidden */
currencySettings: {}
} satisfies CurrencyConfig
type CurrencyFormats = Record<string, CurrencySettingsDTO>
export interface CurrencyConfig {
defaultCurrency: string
defaultLocale: string
currencySettings: CurrencyFormats
}
const currencyLocales: Record<string, string> = {
EUR: "de-DE",
GBP: "en-GB",
USD: "en-US",
AUD: "en-AU",
CAD: "en-CA",
//India, Afghanistan, Bangladesh, Bhutan, Myanmar, Nepal, and Pakistan uses lakhs and crores notation
INR: "en-IN",
AFN: "en-IN",
BDT: "en-IN",
BTN: "en-IN",
MMK: "en-IN",
NPR: "en-IN",
PKR: "en-IN"
}
export function getCurrencyFormatting(overrides: Partial<CurrencyConfig> = {}) {
const config: CurrencyConfig = {
...defaultConfig,
...overrides
}
if (!overrides.currencySettings) {
nostojs(api => {
config.currencySettings = api.internal.getSettings().currencySettings
})
}
/**
* Format the given monetary value using the Nosto currency settings.
*/
function formatCurrency(value: number, currency?: string) {
const { defaultCurrency, currencySettings, defaultLocale } = config
const currencyCode = currency ?? defaultCurrency
const locale = currencyLocales[currencyCode] ?? defaultLocale
if (currencyCode in currencySettings) {
// formatting using Nosto settings
const settings = currencySettings[currencyCode]!
const result = new Intl.NumberFormat(locale, {
useGrouping: !!settings.groupingSeparator,
minimumFractionDigits: settings.decimalPlaces,
maximumFractionDigits: settings.decimalPlaces
}).formatToParts(value)
const normalised = result
.map(it => {
if (it.type === "group") return settings.groupingSeparator
if (it.type === "decimal") return settings.decimalCharacter
return it.value
})
.join("")
if (settings?.currencyBeforeAmount) {
return `${settings.currencyToken}${normalised}`
}
return `${normalised}${settings?.currencyToken}`
}
// fallback logic
const numberFormat = new Intl.NumberFormat(locale, {
style: "currency",
currency: currencyCode
})
return numberFormat.format(value)
}
return {
formatCurrency
}
} |