Update UPI QR code generation logic and bump version to 1.3.20

Author: bhar4t

dist/index.js

@@ -1,6 +1,6 @@
 {
   "name": "upiqr",
-  "version": "1.3.19",
+  "version": "1.3.20",
   "description": "Generate NPCI's UPI QR code along with UPI intent link, By using it any payment is possible from UPI enabled apps.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

package.json

@@ -35,11 +35,7 @@ export default function upiqr ({
 
     // IIFE: builds and returns the UPI intent URL by given params.
     const intent = ((params: object): string => {
-        const urlParams = new URLSearchParams()
-        for (const [key, value] of Object.entries(params)) {
-            if (value)
-                urlParams.append(key, value as string)
-        }
+        const urlParams = new URLSearchParams(Object.entries(params).filter(([_, value]) => value))
         return `upi://pay?${urlParams.toString()}`
     })(params);