exit: getProp()

in src/utils/ChildMapping.js [95:116]

• 15 lines of code
• 6 McCabe index (conditional complexity)

      exit: getProp(child, 'exit', props),
    });
  });
}

export function getNextChildMapping(nextProps, prevChildMapping, onExited) {
  let nextChildMapping = getChildMapping(nextProps.children);
  let children = mergeChildMappings(prevChildMapping, nextChildMapping);

  Object.keys(children).forEach((key) => {
    let child = children[key];

    if (!isValidElement(child)) return;

    const hasPrev = key in prevChildMapping;
    const hasNext = key in nextChildMapping;

    const prevChild = prevChildMapping[key];
    const isLeaving = isValidElement(prevChild) && !prevChild.props.in;

    // item is new (entering)
    if (hasNext && (!hasPrev || isLeaving)) {