Codemod script to prefer self-closing JSX tags

self-closing-jsx-tags.js

// jscodeshift -t self-closing-jsx-tags.js ./src

module.exports = function(file, api) {  
  let j = api.jscodeshift
  let root = j(file.source)
  
  root.find(j.JSXElement)
    .filter(function (path) {
      return !path.value.children.length
    })
    .forEach(function (path) {
      path.value.openingElement.selfClosing = true
      path.value.closingElement = null
    })
  
  return root.toSource()
}