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/**
* Validate (the number part of) an amount. If needed,
* replace comma with a dot. Returns 'false' whenever
* the input is invalid, the valid amount otherwise.
*/
export function validateAmount(maybeAmount: string): any {
const amountRegex = "^[0-9]+(.[0-9]+)?$";
if (!maybeAmount) {
console.log(`Entered amount (${maybeAmount}) mismatched <input> pattern.`);
return;
}
if (typeof maybeAmount !== "undefined" || maybeAmount !== "") {
console.log(`Maybe valid amount: ${maybeAmount}`);
// tolerating comma instead of point.
const re = RegExp(amountRegex);
if (!re.test(maybeAmount)) {
console.log(`Not using invalid amount '${maybeAmount}'.`);
return false;
}
}
return maybeAmount;
}
/**
* Extract IBAN from a Payto URI.
*/
export function getIbanFromPayto(url: string): string {
const pathSplit = new URL(url).pathname.split("/");
let lastIndex = pathSplit.length - 1;
// Happens if the path ends with "/".
if (pathSplit[lastIndex] === "") lastIndex--;
const iban = pathSplit[lastIndex];
return iban;
}
export function getBankBackendBaseUrl(): string {
const overrideUrl = localStorage.getItem("bank-base-url");
if (overrideUrl) {
console.log(
`using bank base URL ${overrideUrl} (override via bank-base-url localStorage)`,
);
return overrideUrl;
}
const maybeRootPath = "https://bank.demo.taler.net/demobanks/default/";
if (!maybeRootPath.endsWith("/")) return `${maybeRootPath}/`;
console.log(`using bank base URL (${maybeRootPath})`);
return maybeRootPath;
}
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