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the reason of this bug is the
preview
component is rendered as{currentStep.value === "select" && (...)
which means as long as the value is not
"select"
, the content inside the()
are garbage collected, whenever the value becomestrue
, it got re-initialized, values of all states viauseState
will be initialized again. so it can not remember what it was before.To fix it, only visually hide the
Preview
but let the component instance always be there, by doing that, it can keep these states. the code is:By the way, as the export step doesn't have any state, (aka, a readonly component), so it's fine to keep it as
{currentStep.value === "preview" && ( ... )