fixed warnings and some compile errors. Made a key value layout and extened DocumentBox to have a childLayoutKey field

1 files changed, 1 insertions, 1 deletions

diff --git a/src/new_fields/util.ts b/src/new_fields/util.ts
index 3a1fd41f8..8c719ccd8 100644
--- a/src/new_fields/util.ts
+++ b/src/new_fields/util.ts
@@ -12,7 +12,7 @@ function _readOnlySetter(): never {
     throw new Error("Documents can't be modified in read-only mode");
 }
 
-let tracing = false;
+const tracing = false;
 export function TraceMobx() {
     tracing && trace();
 }