function reducer()

in packages/dag-history-component/src/state/reducers/bookmarkEdit.ts [19:41]

• 20 lines of code
• 7 McCabe index (conditional complexity)

function reducer(
	state: State = INITIAL_STATE,
	action: ReduxActions.Action<any>,
	config: Configuration<any>,
) {
	if (action.type === BOOKMARK_EDIT) {
		// Edit a bookmark
		return { editIndex: action.payload }
	} else if (
		action.type === MOVE_BOOKMARK &&
		action.payload.from === state.editIndex
	) {
		// If the user is moving the currently edited bookmark, update the editIndex
		return { editIndex: action.payload.to }
	} else if (
		action.type === BOOKMARK_EDIT_DONE ||
		(!isHistoryAction(action) && config.actionFilter(action.type))
	) {
		// Clear the edit state
		return INITIAL_STATE
	}
	return state
}