Updating Encoding Decoding to modern standards in floCloudAPI.js

1. The encoding scheme was convoluted. We upgraded to TextEncoder and TextDecoder.

2. In case normal decoding fails, it will revert to old decoding.

scripts/floCloudAPI.js

@@ -374,13 +374,31 @@
 
     const util = floCloudAPI.util = {};
 
+    //Updating encoding/Decoding to modern standards
     const encodeMessage = util.encodeMessage = function (message) {
-        return btoa(unescape(encodeURIComponent(JSON.stringify(message))))
+        const bytes = new TextEncoder().encode(JSON.stringify(message));
-    }
+        let bin = "";
+        for (let i = 0; i < bytes.length; i++) bin += String.fromCharCode(bytes[i]);
+        return btoa(bin);
+    };
 
     const decodeMessage = util.decodeMessage = function (message) {
-        return JSON.parse(decodeURIComponent(escape(atob(message))))
+        try {
-    }
+            // try modern decode first
+            const bin = atob(message);
+            const bytes = new Uint8Array(bin.length);
+            for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);
+            return JSON.parse(new TextDecoder().decode(bytes));
+        } catch (e1) {
+            try {
+                // fallback to legacy decode
+                return JSON.parse(decodeURIComponent(escape(atob(message))));
+            } catch (e2) {
+                // final fallback: return raw string to avoid hard crash
+                return message;
+            }
+        }
+    };
 
     const filterKey = util.filterKey = function (type, options = {}) {
         return type + (options.comment ? ':' + options.comment : '') +
@@ -1114,4 +1132,4 @@
     })();
 
 
-})('object' === typeof module ? module.exports : window.floCloudAPI = {});
+})('object' === typeof module ? module.exports : window.floCloudAPI = {});