function getChildPropsOnExit(animate, child, data, exitingNodes, cb) {
  // Whether or not _this_ child has exiting nodes, we want the exit-
  // transition for all children to have the same duration, delay, etc.
  const onExit = animate && animate.onExit;
  animate = assign({}, animate, onExit);

  if (exitingNodes) {
    // After the exit transition occurs, trigger the animations for
    // nodes that are neither exiting or entering.
    animate.onEnd = cb;
    const before = animate.onExit && animate.onExit.before ? animate.onExit.before : identity;
    // If nodes need to exit, transform them with the provided onExit.before function.
    data = data.map((datum, idx) => {
      const key = (datum.key || idx).toString();
      return exitingNodes[key] ? assign({}, datum, before(datum, idx, data)) : datum;
    });
  }

  return { animate, data };
}
function getChildPropsOnExit(animate, child, data, exitingNodes, cb) {
  
  
  const onExit = animate && animate.onExit;
  animate = assign({}, animate, onExit);

  if (exitingNodes) {
    
    
    animate.onEnd = cb;
    const before = animate.onExit && animate.onExit.before ? animate.onExit.before : identity;
    
    data = data.map((datum, idx) => {
      const key = (datum.key || idx).toString();
      return exitingNodes[key] ? assign({}, datum, before(datum, idx, data)) : datum;
    });
  }

  return { animate, data };
}
function getChildPropsOnExit ( animate , child , data , exitingNodes , cb ) { // Whether or not _this_ child has exiting nodes, we want the exit- // transition for all children to have the same duration, delay, etc. const onExit = animate && animate . onExit ; animate = assign ( { } , animate , onExit ) ; if ( exitingNodes ) { // After the exit transition occurs, trigger the animations for // nodes that are neither exiting or entering. animate . onEnd = cb ; const before = animate . onExit && animate . onExit . before ? animate . onExit . before : identity ; // If nodes need to exit, transform them with the provided onExit.before function. data = data . map ( ( datum , idx ) => { const key = ( datum . key || idx ) . toString ( ) ; return exitingNodes [ key ] ? assign ( { } , datum , before ( datum , idx , data ) ) : datum ; } ) ; } return { animate , data } ; }
eslint-disable-next-line max-params, max-len
eslint - disable - next - line max - params max - len