added hash function to save prior states that get overwrriten in presBox restoreTarget

1 files changed, 4 insertions, 3 deletions

diff --git a/src/client/views/nodes/trails/PresBox.tsx b/src/client/views/nodes/trails/PresBox.tsx
index 9e5ea9524..1b2c45e72 100644
--- a/src/client/views/nodes/trails/PresBox.tsx
+++ b/src/client/views/nodes/trails/PresBox.tsx
@@ -3,7 +3,7 @@ import { Tooltip } from '@mui/material';
 import { action, computed, IReactionDisposer, makeObservable, observable, ObservableSet, reaction, runInAction } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
-import { Doc, DocListCast, FieldResult, NumListCast, Opt, StrListCast } from '../../../../fields/Doc';
+import { Doc, DocListCast, Field, FieldResult, NumListCast, Opt, StrListCast } from '../../../../fields/Doc';
 import { Animation, DocData } from '../../../../fields/DocSymbols';
 import { Copy, Id } from '../../../../fields/FieldSymbols';
 import { InkField } from '../../../../fields/InkField';
@@ -13,7 +13,7 @@ import { listSpec } from '../../../../fields/Schema';
 import { ComputedField, ScriptField } from '../../../../fields/ScriptField';
 import { BoolCast, Cast, DocCast, NumCast, StrCast } from '../../../../fields/Types';
 import { AudioField } from '../../../../fields/URLField';
-import { emptyFunction, emptyPath, lightOrDark, returnFalse, returnOne, setupMoveUpEvents, StopEvent } from '../../../../Utils';
+import { emptyFunction, emptyPath, lightOrDark, returnFalse, returnOne, setupMoveUpEvents, StopEvent, stringHash } from '../../../../Utils';
 import { DocServer } from '../../../DocServer';
 import { Docs } from '../../../documents/Documents';
 import { CollectionViewType, DocumentType } from '../../../documents/DocumentTypes';
@@ -440,7 +440,8 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
             else {
                 const bestTargetData = bestTarget[DocData];
                 const current = bestTargetData[fkey];
-                bestTargetData[fkey + '_' + Date.now()] = current instanceof ObjectField ? current[Copy]() : current;
+                const hash = bestTargetData[fkey] ? stringHash(Field.toString(bestTargetData[fkey] as Field)) : undefined;
+                if (hash)  bestTargetData[fkey + '_' +hash] = current instanceof ObjectField ? current[Copy]() : current;
                 bestTargetData[fkey] = activeItem.config_data instanceof ObjectField ? activeItem.config_data[Copy]() : activeItem.config_data;
             }
             bestTarget[fkey + '_usePath'] = activeItem.config_usePath;