replaceAllImages.js

export default function replaceAll(tree) {
  var traverse = function (jtree) {
    if (jtree.constructor === String) {
      jtree = jtree.replace(new RegExp('a.storyblok.com', 'g'), 'img2.storyblok.com')
    } else (jtree.constructor === Array) {
      for (var item = 0; item < jtree.length; item++) {
        traverse(jtree[item])
      }
    } else if (jtree.constructor === Object) {
      for (var treeItem in jtree) {
        traverse(jtree[treeItem])
      }
    }
  }

  traverse(tree)
  return tree
}