import { DragAndDropContextProps , KeyboardBindings , TreeContextProps , TreeEnvironmentContextProps , TreeItemIndex , } from '../types' ; export const resolveLiveDescriptor = ( descriptor , environment , dnd , tree , keyboardBindings ) => { const getItemTitle = ( index ) => environment . getItemTitle ( environment . items [ index ] ) ; return descriptor . replace ( /(\{[^\s\}]+)\}/g , variableNameWithBrackets => { const variableName = variableNameWithBrackets . slice ( 1 , - 1 ) ; switch ( variableName ) { case 'treeLabel' : return tree . treeLabel ?? '' ; case 'renamingItem' : return tree . renamingItem ? getItemTitle ( tree . renamingItem ) : 'None' ; case 'dragItems' : return dnd . draggingItems ?. map ( item => environment . getItemTitle ( item ) ) . join ( ', ' ) ?? 'None' ; case 'dropTarget' : if ( ! dnd . draggingPosition ) { return 'None' ; } else if ( dnd . draggingPosition . targetType === 'item' ) { return 'within ' + getItemTitle ( dnd . draggingPosition . targetItem ) ; } else { const parentItem = environment . items [ dnd . draggingPosition . parentItem ] ; const parentTitle = environment . getItemTitle ( parentItem ) ; if ( dnd . draggingPosition . childIndex === 0 ) { return `within ${ parentTitle } at the start` ; } else { return `within ${ parentTitle } after ${ getItemTitle ( parentItem . children ! [ dnd . draggingPosition . childIndex - 1 ] ) }` ; } } default : if ( variableName . startsWith ( 'keybinding:' ) ) { return keyboardBindings [ variableName . slice ( 11 ) as keyof KeyboardBindings ] ! [ 0 ] ; } else { throw Error ( `Unknown live descriptor variable {${ variableName }}` ) ; } } } ) ; } ;