Merge pull request cashubtc#125 from Dayvvo/trailing-slash-handle-fix

Fix: Handle trailing slashes in mint urls supplied to the CashuMint class

src/CashuMint.ts

@@ -19,7 +19,7 @@ import type {
 	MeltQuoteResponse
 } from './model/types/index.js';
 import request from './request.js';
-import { isObj, joinUrls } from './utils.js';
+import { isObj, joinUrls, sanitizeUrl } from './utils.js';
 
 /**
  * Class represents Cashu Mint API. This class contains Lower level functions that are implemented by CashuWallet.
@@ -29,7 +29,10 @@ class CashuMint {
 	 * @param _mintUrl requires mint URL to create this object
 	 * @param _customRequest if passed, use custom request implementation for network communication with the mint
 	 */
-	constructor(private _mintUrl: string, private _customRequest?: typeof request) {}
+	constructor(private _mintUrl: string, private _customRequest?: typeof request) {
+		this._mintUrl = sanitizeUrl(_mintUrl);
+		this._customRequest = _customRequest;
+	}
 
 	get mintUrl() {
 		return this._mintUrl;

src/utils.ts

@@ -191,6 +191,10 @@ export function joinUrls(...parts: Array<string>): string {
 	return parts.map((part) => part.replace(/(^\/+|\/+$)/g, '')).join('/');
 }
 
+export function sanitizeUrl(url: string): string {
+	return url.replace(/\/$/, '');
+}
+
 export function decodeInvoice(bolt11Invoice: string): InvoiceData {
 	const invoiceData: InvoiceData = {} as InvoiceData;
 	const decodeResult = decode(bolt11Invoice);