Jean-Luc Makiola
8d7a668da4
Auto-fixed formatting issues and removed unused imports introduced by background execution agents across currency, i18n, and sharing code. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
81 lines
2.0 KiB
TypeScript
81 lines
2.0 KiB
TypeScript
export type WeightUnit = "g" | "oz" | "lb" | "kg";
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const GRAMS_PER_OZ = 28.3495;
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const GRAMS_PER_LB = 453.592;
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const GRAMS_PER_KG = 1000;
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export function formatWeight(
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grams: number | null | undefined,
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unit: WeightUnit = "g",
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locale = "en",
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): string {
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if (grams == null) return "--";
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let value: number;
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let fractionDigits: number;
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switch (unit) {
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case "g":
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value = Math.round(grams);
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fractionDigits = 0;
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break;
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case "oz":
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value = grams / GRAMS_PER_OZ;
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fractionDigits = 1;
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break;
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case "lb":
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value = grams / GRAMS_PER_LB;
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fractionDigits = 2;
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break;
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case "kg":
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value = grams / GRAMS_PER_KG;
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fractionDigits = 2;
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break;
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}
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const formatted = new Intl.NumberFormat(locale, {
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minimumFractionDigits: fractionDigits,
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maximumFractionDigits: fractionDigits,
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}).format(value);
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return unit === "g" ? `${formatted}g` : `${formatted} ${unit}`;
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}
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export type Currency = "USD" | "EUR" | "GBP" | "JPY" | "CAD" | "AUD";
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export function formatPrice(
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cents: number | null | undefined,
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currency: Currency = "USD",
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locale = "en",
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): string {
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if (cents == null) return "--";
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return new Intl.NumberFormat(locale, {
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style: "currency",
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currency,
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minimumFractionDigits: currency === "JPY" ? 0 : 2,
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maximumFractionDigits: currency === "JPY" ? 0 : 2,
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}).format(cents / 100);
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}
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export interface DualPriceOptions {
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sourceCents: number;
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sourceCurrency: Currency;
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targetCurrency: Currency;
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convertedCents: number;
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locale?: string;
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}
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/**
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* Format a price with dual display: source price + converted in parentheses.
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* Per D-14: "€2,000 (~£1,720)" — source prominent, converted approximate.
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*/
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export function formatDualPrice(options: DualPriceOptions): {
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source: string;
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converted: string;
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} {
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const locale = options.locale ?? "en";
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const source = formatPrice(
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options.sourceCents,
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options.sourceCurrency,
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locale,
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);
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const converted = `~${formatPrice(options.convertedCents, options.targetCurrency, locale)}`;
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return { source, converted };
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}
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