Add `ja` locale to config

[bookstack] / resources / assets / js / directives.js

diff --git a/resources/assets/js/directives.js b/resources/assets/js/directives.js
index 221e18b0e1559ca22a56564a9136d74d1c5ae71f..9a38add9ae7243e3ce614785f4d45f72819d30b8 100644 (file)
--- a/resources/assets/js/directives.js
+++ b/resources/assets/js/directives.js
@@ -399,7 +399,7 @@ module.exports = function (ngApp, events) {
 
                 // Handle image upload and add image into markdown content
                 function uploadImage(file) {
-                    if (file.type.indexOf('image') !== 0) return;
+                    if (file === null || !file.type.indexOf('image') !== 0) return;
                     let formData = new FormData();
                     let ext = 'png';
                     let xhr = new XMLHttpRequest();