0f6bae840f
- Implemented FormStep component for user input (name, email, address). - Created OtpStep component for OTP verification. - Developed SuccessStep component to display success messages based on account creation. - Introduced eligibility-check.store for managing state throughout the eligibility check process. - Added commitlint configuration for standardized commit messages. - Configured knip for workspace management and project structure.
98 lines
2.6 KiB
TypeScript
98 lines
2.6 KiB
TypeScript
/**
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* Toolkit - Currency Formatting
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*
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* Our product currently operates in Japanese Yen only, but we keep a single
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* helper so the portal and BFF share the same formatting behaviour.
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*
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* The function still accepts legacy signatures (`formatCurrency(amount, "JPY", "¥")`)
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* so existing call sites remain compatible.
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*/
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export type SupportedCurrency = "JPY";
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type LegacyOptions = {
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/**
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* Optional locale override. Defaults to "ja-JP".
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*/
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locale?: string | undefined;
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/**
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* Set to false if you ever want to hide the symbol. Defaults to true.
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*/
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showSymbol?: boolean | undefined;
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/**
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* Optional custom symbol. Defaults to "¥".
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*/
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currencySymbol?: string | undefined;
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};
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const DEFAULT_CURRENCY: SupportedCurrency = "JPY";
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const DEFAULT_SYMBOL = "¥";
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const DEFAULT_LOCALE = "ja-JP";
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export const getCurrencyLocale = (_currency?: string): string => DEFAULT_LOCALE;
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const normalizeOptions = (
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currencyOrOptions?: string | LegacyOptions,
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symbolOrOptions?: string | LegacyOptions
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) => {
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const result: {
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currency: string;
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symbol: string;
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locale: string;
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showSymbol: boolean;
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} = {
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currency: DEFAULT_CURRENCY,
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symbol: DEFAULT_SYMBOL,
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locale: DEFAULT_LOCALE,
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showSymbol: true,
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};
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const applyOptions = (opts?: LegacyOptions) => {
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if (!opts) return;
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if (opts.locale) result.locale = opts.locale;
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if (typeof opts.showSymbol === "boolean") result.showSymbol = opts.showSymbol;
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if (opts.currencySymbol) result.symbol = opts.currencySymbol;
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};
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if (typeof currencyOrOptions === "string") {
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result.currency = currencyOrOptions;
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} else {
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applyOptions(currencyOrOptions);
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}
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if (typeof symbolOrOptions === "string") {
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result.symbol = symbolOrOptions;
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} else {
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applyOptions(symbolOrOptions);
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}
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// Even if a different currency code is provided, we treat it like JPY for now.
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const fractionDigits = result.currency.toUpperCase() === "JPY" ? 0 : 2;
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return { ...result, fractionDigits };
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};
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export function formatCurrency(
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amount: number,
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currencyOrOptions?: string | LegacyOptions,
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symbolOrOptions?: string | LegacyOptions
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): string {
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const { locale, symbol, showSymbol, fractionDigits } = normalizeOptions(
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currencyOrOptions,
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symbolOrOptions
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);
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const formatted = amount.toLocaleString(locale, {
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minimumFractionDigits: fractionDigits,
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maximumFractionDigits: fractionDigits,
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});
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return showSymbol ? `${symbol}${formatted}` : formatted;
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}
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export function parseCurrency(value: string): number | null {
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const cleaned = value.replace(/[¥$€,\s]/g, "");
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const parsed = Number.parseFloat(cleaned);
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return Number.isFinite(parsed) ? parsed : null;
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}
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