[Vuex] Store.commit() persists all pending changes on object lists, even if method does nothing about vuex HOT 4 CLOSED

Can anyone at least confirm that this is a thing and maybe say whether it's a bug or a feature?

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@yyx990803 @kiaking If you cannot say anything about this, would you mind telling me who to contact in order to get a reaction to this issue?

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This is neither a feature or a bug.

You're mutating the state directly. You can verify this claim by enabling strict mode and observing the console error when modifying the model value.

In your example, a shallow object can be spread into a new object as to avoid this conflict, for example:

computedObject() {
  return { ...this.$store.state.someList.at(-1) };
}

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Feel free to file a new issue if you discover anything else 👍

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