TreeView and others

3 files changed, 11 insertions, 2 deletions

diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts
index 79e5a156d..a5f495477 100644
--- a/src/new_fields/Doc.ts
+++ b/src/new_fields/Doc.ts
@@ -91,7 +91,7 @@ export namespace Doc {
         return Cast(Get(doc, key, ignoreProto), ctor) as T | null | undefined;
     }
     export async function SetOnPrototype(doc: Doc, key: string, value: Field) {
-        const proto = await Cast(doc.proto, Doc);
+        const proto = doc.proto;
         if (proto) {
             proto[key] = value;
         }
diff --git a/src/new_fields/InkField.ts b/src/new_fields/InkField.ts
index cdb34cedf..49e6bf61e 100644
--- a/src/new_fields/InkField.ts
+++ b/src/new_fields/InkField.ts
@@ -27,5 +27,10 @@ const strokeDataSchema = createSimpleSchema({
 
 export class InkField extends ObjectField {
     @serializable(map(object(strokeDataSchema)))
-    readonly inkData: Map<string, StrokeData> = new Map;
+    readonly inkData: Map<string, StrokeData>;
+
+    constructor(data?: Map<string, StrokeData>) {
+        super();
+        this.inkData = data || new Map;
+    }
 }
diff --git a/src/new_fields/Types.ts b/src/new_fields/Types.ts
index 079c7b76d..649dfdc3e 100644
--- a/src/new_fields/Types.ts
+++ b/src/new_fields/Types.ts
@@ -67,6 +67,10 @@ export function StrCast(field: FieldResult, defaultVal: Opt<string> = "") {
     return Cast(field, "string", defaultVal);
 }
 
+export function BoolCast(field: FieldResult, defaultVal: Opt<boolean> = undefined) {
+    return Cast(field, "boolean", defaultVal);
+}
+
 type WithoutList<T extends Field> = T extends List<infer R> ? R[] : T;
 
 export function FieldValue<T extends Field, U extends WithoutList<T>>(field: Opt<T> | Promise<Opt<T>>, defaultValue: U): WithoutList<T>;