BetterJSXAttributeSort.js

S('JSXOpeningElement').each((openingTag) => {
  const attributeSortingGroups = [];
  let currentAttributeGroup = [];

  openingTag
    .children('JSXAttribute, JSXSpreadAttribute')
    .each((attribute, i) => {
      if (attribute.type() === 'JSXSpreadAttribute') {
        attributeSortingGroups.push(currentAttributeGroup.sort());
        currentAttributeGroup = [];
        return;
      }
      currentAttributeGroup.push(attribute.text());
    });
  attributeSortingGroups.push(currentAttributeGroup.sort());

  const sortedAttributes = attributeSortingGroups.flat();
  openingTag
    .children('JSXAttribute')
    .each((attribute, i) => attribute.text(sortedAttributes[i]));
});