The most comprehensive financial library for TypeScript.

A powerful TypeScript/JavaScript library for financial validations and operations — starting with lightning-fast IBAN validation & formatting, with more tools on the way.

$pnpm add @rivo-gg/geld

01import { iban } from "@rivo-gg/geld"
02
03export function Component() {
04  
05  const validateIban = (input: string) => {
06    if (!input) return console.error("Enter an IBAN")
07
08    iban.isValid(input)
09      ? console.info("Valid IBAN")
10      : console.error("Invalid IBAN")
11  }
12
13  return (
14    <Input
15      onBlur={(e) => validateIban(e.target.value)}
16      placeholder="Insert an IBAN"
17    />
18  )
19}