upgraded to typescript 4.6.2

5 files changed, 11 insertions, 10 deletions

diff --git a/src/fields/CursorField.ts b/src/fields/CursorField.ts
index 28467377b..a8a2859d2 100644
--- a/src/fields/CursorField.ts
+++ b/src/fields/CursorField.ts
@@ -50,7 +50,7 @@ export default class CursorField extends ObjectField {
     setPosition(position: CursorPosition) {
         this.data.position = position;
         this.data.metadata.timestamp = Date.now();
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     [Copy]() {
diff --git a/src/fields/Doc.ts b/src/fields/Doc.ts
index 0b9a8b3fe..63c67aeb0 100644
--- a/src/fields/Doc.ts
+++ b/src/fields/Doc.ts
@@ -216,7 +216,7 @@ export class Doc extends RefField {
         return self.resolvedDataDoc && !self.isTemplateForField ? self :
             Doc.GetProto(Cast(Doc.Layout(self).resolvedDataDoc, Doc, null) || self);
     }
-    @computed get __LAYOUT__() {
+    @computed get __LAYOUT__(): Doc | undefined {
         const templateLayoutDoc = Cast(Doc.LayoutField(this[SelfProxy]), Doc, null);
         if (templateLayoutDoc) {
             let renderFieldKey: any;
diff --git a/src/fields/ObjectField.ts b/src/fields/ObjectField.ts
index 92b2cfa60..9211afe86 100644
--- a/src/fields/ObjectField.ts
+++ b/src/fields/ObjectField.ts
@@ -3,7 +3,7 @@ import { OnUpdate, Parent, Copy, ToScriptString, ToString } from "./FieldSymbols
 import { Scripting } from "../client/util/Scripting";
 
 export abstract class ObjectField {
-    public [OnUpdate](diff?: any) { }
+    public [OnUpdate]?: (diff?: any) => void;
     public [Parent]?: RefField | ObjectField;
     abstract [Copy](): ObjectField;
 
diff --git a/src/fields/SchemaHeaderField.ts b/src/fields/SchemaHeaderField.ts
index a53fa542e..3dc70ac19 100644
--- a/src/fields/SchemaHeaderField.ts
+++ b/src/fields/SchemaHeaderField.ts
@@ -82,32 +82,32 @@ export class SchemaHeaderField extends ObjectField {
 
     setHeading(heading: string) {
         this.heading = heading;
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     setColor(color: string) {
         this.color = color;
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     setType(type: ColumnType) {
         this.type = type;
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     setWidth(width: number) {
         this.width = width;
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     setDesc(desc: boolean | undefined) {
         this.desc = desc;
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     setCollapsed(collapsed: boolean | undefined) {
         this.collapsed = collapsed;
-        this[OnUpdate]();
+        this[OnUpdate]?.();
     }
 
     [Copy]() {
diff --git a/src/fields/Types.ts b/src/fields/Types.ts
index 220a30fe4..c90f3b6b3 100644
--- a/src/fields/Types.ts
+++ b/src/fields/Types.ts
@@ -111,5 +111,6 @@ export interface PromiseLike<T> {
     then(callback: (field: Opt<T>) => void): void;
 }
 export function PromiseValue<T extends Field>(field: FieldResult<T>): PromiseLike<Opt<T>> {
-    return field instanceof Promise ? field : { then(cb: ((field: Opt<T>) => void)) { return cb(field); } };
+    if (field instanceof Promise) return field as Promise<Opt<T>>;
+    return { then(cb: ((field: Opt<T>) => void)) { return cb(field); } };
 }
\ No newline at end of file