Question 1

Cashify vs money.js: which should I use?

Accepted Answer

Cashify is better for modern projects: it's actively maintained, has TypeScript support, and fixes floating-point bugs. However, if you're on an old codebase stuck with money.js, migration is easy but requires updating rate handling.

Question 2

How to integrate real-time exchange rates with Cashify?

Accepted Answer

You must fetch rates from an external API like Open Exchange Rates and pass them to Cashify's constructor or convert function. The library doesn't handle fetching, so you'll need to set up periodic updates yourself.

Question 3

Can Cashify handle currency formatting?

Accepted Answer

No, Cashify focuses only on conversion; for formatting, you need to use Intl.NumberFormat or similar libraries. The README shows an example but it's not built-in.

Question 4

How to avoid floating point errors in Cashify?

Accepted Answer

Cashify uses basic rounding to minimize errors, but for critical precision, integrate big.js via the BigJs option. This adds a dependency but ensures arbitrary-precision arithmetic as shown in the integration section.

Question 5

What are the alternatives to Cashify for Node.js?

Accepted Answer

Alternatives include dinero.js for more financial operations or lightweight libraries like currency.js. Cashify stands out for its simplicity and TypeScript focus, but lacks built-in rate fetching.

Question 6

Is Cashify good for React or Vue apps?

Accepted Answer

Yes, it's framework-agnostic and works in any JavaScript environment including browsers. Since it has zero dependencies, it won't conflict with frontend tooling, but you'll need to manage rate updates client-side or via a backend.

cashify

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