nl_tokens: eslint - disable - next - line max - params max - len
pl_tokens: function getChildPropsOnEnter ( animate , data , enteringNodes , cb ) { // Whether or not _this_ child has entering nodes, we want the entering- // transition for all children to have the same duration, delay, etc. const onEnter = animate && animate . onEnter ; animate = assign ( { } , animate , onEnter ) ; if ( enteringNodes ) { // Old nodes have been transitioned to their new values, and the // domain should encompass the nodes that will now enter. So perform // the `onEnter.after` transformation on each node. animate . onEnd = cb ; const after = animate . onEnter && animate . onEnter . after ? animate . onEnter . after : identity ; data = data . <mask> ( ( datum , idx ) => { const key = getDatumKey ( datum , idx ) ; return enteringNodes [ key ] ? assign ( { } , datum , after ( datum , idx , data ) ) : datum ; } ) ; } return { animate , data } ; }