improve type checking in getFileSize

8 years ago · da533b106a
parent 5cbfc1a23c
commit da533b106a
1 changed files with 2 additions and 2 deletions
--- a/www/common/pinpad.js
+++ b/www/common/pinpad.js
@ -92,8 +92,8 @@ define([
            exp.getFileSize = function (file, cb) {
                rpc.send('GET_FILE_SIZE', file, function (e, response) {
                    if (e) { return void cb(e); }
-                    if (response && response.length) {
-                        cb(void 0, response[0]);
+                    if (response && response.length && typeof(response[0]) === 'number') {
+                        return void cb(void 0, response[0]);
                    } else {
                        cb('INVALID_RESPONSE');
                    }