Core best practices for the Dinero.js money library. Use when writing, reviewing, or refactoring code that creates Dinero objects, performs arithmetic on monetary values, or handles money in JavaScript/TypeScript. Triggers on imports from 'dinero.js', monetary calculations, or price/cost handling logic.
Currency handling patterns for the Dinero.js money library. Use when working with multiple currencies, converting between currencies, defining custom currencies, storing monetary values in databases, or integrating with payment services like Stripe or PayPal. Triggers on currency conversion, database schema design for…
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Use when adding, evaluating, or removing an entry in db/seeds/pegs/, when the user mentions a pegged or fixed currency, or when an issue suggests we should "pin" or "lock" a currency to another. Also use when deciding whether to filter or override provider rates based on an assumed peg.
Use when adding a new exchange rate data provider, implementing a provider from a GitHub issue, when the user mentions a new central bank or data source, or when working on any issue labeled "provider". Also use when asked to backfill, fix, or update an existing provider.
Use when querying Wise for exchange rates (real-time or historical), validating Frankfurter rates against Wise mid-market, debugging rate discrepancies, or when the user mentions Wise, sanity check, or rate comparison.