From be0c47da58951e5ed48c43ea96e307fff93b850e Mon Sep 17 00:00:00 2001
From: Andrew <aaclayton@gmail.com>
Date: Wed, 20 Nov 2019 20:45:33 -0800
Subject: [PATCH] Display an error if trying to save custom attributes with dot
 notation

---
 module/actor-sheet.js | 1 +
 module/item-sheet.js  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/module/actor-sheet.js b/module/actor-sheet.js
index 06649da..e31b543 100644
--- a/module/actor-sheet.js
+++ b/module/actor-sheet.js
@@ -120,6 +120,7 @@ export class SimpleActorSheet extends ActorSheet {
     const formAttrs = expandObject(formData).data.attributes || {};
     const attributes = Object.values(formAttrs).reduce((obj, v) => {
       let k = v["key"].trim();
+      if ( /[\s\.]/.test(k) )  return ui.notifications.error("Attribute keys may not contain spaces or periods");
       delete v["key"];
       obj[k] = v;
       return obj;
diff --git a/module/item-sheet.js b/module/item-sheet.js
index 1d6b99e..d02cea3 100644
--- a/module/item-sheet.js
+++ b/module/item-sheet.js
@@ -104,6 +104,7 @@ export class SimpleItemSheet extends ItemSheet {
     const formAttrs = expandObject(formData).data.attributes || {};
     const attributes = Object.values(formAttrs).reduce((obj, v) => {
       let k = v["key"].trim();
+      if ( /[\s\.]/.test(k) )  return ui.notifications.error("Attribute keys may not contain spaces or periods");
       delete v["key"];
       obj[k] = v;
       return obj;