liquor-tree-withoutdragndrop/src/utils/recurse.js

A Vue.js tree component.

export function recurseDown (obj, fn) {
  let res

  if (Array.isArray(obj)) {
    return obj.map(node => recurseDown(node, fn))
  }

  res = fn(obj)

  // Recurse children
  if (res !== false && obj.children && obj.children.length) {
    res = recurseDown(obj.children, fn)
  }

  return res
}