1 files changed, 5 insertions, 7 deletions
diff --git a/src/fields/ScriptField.ts b/src/fields/ScriptField.ts
index 6e2d7eb78..37b65684b 100644
--- a/src/fields/ScriptField.ts
+++ b/src/fields/ScriptField.ts
@@ -149,7 +149,6 @@ export class ScriptField extends ObjectField {
                 ...params,
             },
             transformer,
-            typecheck: false,
             editable: true,
             addReturn: addReturn,
             capturedVariables,
@@ -189,14 +188,12 @@ export class ScriptField extends ObjectField {
 export class ComputedField extends ScriptField {
     static undefined = '__undefined';
     static useComputed = true;
-    static DisableComputedFields() { this.useComputed = false; } // prettier-ignore
-    static EnableComputedFields()  { this.useComputed = true; } // prettier-ignore
-    static WithoutComputed<T>(fn: () => T) {
-        this.DisableComputedFields();
+    static DisableCompute<T>(fn: () => T) {
+        this.useComputed = false;
         try {
             return fn();
         } finally {
-            this.EnableComputedFields();
+            this.useComputed = true;
         }
     }
 
@@ -239,7 +236,8 @@ export class ComputedField extends ScriptField {
     public static MakeInterpolatedNumber(fieldKey: string, interpolatorKey: string, doc: Doc, curTimecode: number, defaultVal: Opt<number>) {
         if (!doc[`${fieldKey}_indexed`]) {
             const flist = new List<number>(numberRange(curTimecode + 1).map(emptyFunction) as unknown as number[]);
-            flist[curTimecode] = Cast(doc[fieldKey], 'number', null);
+            if (Cast(doc[fieldKey], 'number', null) === undefined) delete flist[curTimecode];
+            else flist[curTimecode] = Cast(doc[fieldKey], 'number', null)!;
             doc[`${fieldKey}_indexed`] = flist;
         }
         const getField = ScriptField.CompileScript(`getIndexVal(this['${fieldKey}_indexed'], this.${interpolatorKey}, ${defaultVal})`, {}, true, {});