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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
// This is example code for the 'Simplified Example' section of
// /docs/architecture-overview.md
class HistoryTelemetryMiddleware : Middleware<HistoryState, HistoryAction> {
override fun invoke(
context: MiddlewareContext<HistoryState, HistoryAction>,
next: (HistoryAction) -> Unit,
action: HistoryAction,
) {
// This middleware won't need to manipulate the action, so the action can be passed through
// the middleware chain before the side-effects are initiated
next(action)
when(action) {
is HistoryAction.DeleteItems -> History.itemsDeleted.record()
is HistoryAction.OpenItem -> History.itemOpened.record()
else -> Unit
}
}
}