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Fix issue with appState change detection

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Marcel Mraz 2025-04-30 12:26:27 +02:00
parent 09135e827e
commit becdbcb2d7
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1 changed files with 27 additions and 17 deletions
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44
packages/element/src/store.ts
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@ -105,7 +105,7 @@ export class Store {
action: CaptureUpdateActionType,
elements: SceneElementsMap | undefined,
appState: AppState | ObservedAppState | undefined = undefined,
/** delta is only relevant for `CaptureUpdateAction.IMMEDIATELY`, as it's the only action producing `DurableStoreIncrement` containing a delta */
/** delta is only relevant for `CaptureUpdateAction.IMMEDIATELY`, as it's the only action producing `DurableStoreIncrement` containing a delta and it's also expected to be immutable! */
delta: StoreDelta | undefined = undefined,
) {
// create a snapshot first, so that it couldn't mutate in the meantime
@ -135,21 +135,9 @@ export class Store {
this.flushMicroActions();
try {
const macroAction = this.getScheduledMacroAction();
const nextSnapshot = this.maybeCloneSnapshot(
macroAction,
elements,
appState,
);
if (!nextSnapshot) {
// don't continue if there is not change detected
return;
}
// execute a single scheduled "macro" function
// similar to macro tasks, there can be only one within a single commit
this.executeAction(macroAction, nextSnapshot);
// similar to macro tasks, there can be only one within a single commit (loop)
this.processMacroAction(elements, appState);
} finally {
this.satisfiesScheduledActionsInvariant();
// defensively reset all scheduled "macro" actions, possibly cleans up other runtime garbage
@ -231,7 +219,7 @@ export class Store {
assertNever(action, `Unknown store action`);
}
} finally {
// update the snpashot no-matter what, as it would mess up with the next action
// update the snapshot no-matter what, as it would mess up with the next action
switch (action) {
// both immediately and never update the snapshot, unlike eventually
case CaptureUpdateAction.IMMEDIATELY:
@ -332,6 +320,27 @@ export class Store {
}
}
private processMacroAction(
elements: SceneElementsMap | undefined,
appState: AppState | ObservedAppState | undefined,
) {
const macroAction = this.getScheduledMacroAction();
const nextSnapshot = this.maybeCloneSnapshot(
macroAction,
elements,
appState,
);
if (!nextSnapshot) {
// don't continue if there is not change detected
return;
}
// execute a single scheduled "macro" function
// similar to macro tasks, there can be only one within a single commit
this.executeAction(macroAction, nextSnapshot);
}
/**
* Returns the scheduled macro action.
*/
@ -747,7 +756,7 @@ export class StoreSnapshot {
return;
}
this._lastChangedElementsHash = changedAppStateHash;
this._lastChangedAppStateHash = changedAppStateHash;
return didAppStateChange;
}
@ -827,6 +836,7 @@ export class StoreSnapshot {
}
for (const [id, changedElement] of changedElements) {
// TODO: consider just creating new instance, once we can ensure that all reference properties on every element are immutable
clonedElements.set(id, deepCopyElement(changedElement));
}