20 lines
781 B
TypeScript
20 lines
781 B
TypeScript
import en from './en.json';
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export const DEFAULT_LOCALE = 'en';
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export const messages = { en } as const;
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export type Locale = keyof typeof messages;
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type Vars = Record<string, string | number>;
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/** Tiny dictionary lookup: t('nav.pricing') with optional {name} interpolation. */
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export function t(key: string, vars?: Vars, locale: Locale = DEFAULT_LOCALE): string {
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const dict = messages[locale] as Record<string, unknown>;
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const value = key.split('.').reduce<unknown>((acc, part) => {
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if (acc && typeof acc === 'object') return (acc as Record<string, unknown>)[part];
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return undefined;
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}, dict);
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if (typeof value !== 'string') return key;
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if (!vars) return value;
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return value.replace(/\{(\w+)\}/g, (_, name: string) => String(vars[name] ?? `{${name}}`));
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}
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