const ListNode = {
  type: 'object',
  properties: {
    value: {type: 'string'},
    next: {$ref: '#'} // Circular reference
  }
}

// If I call compile() twice on the same schema object (with different options, for example)
import {compile} from 'json-schema-to-typescript'
const prettyContent = await compile(ListNode)
// The first call is fine

// But notice the ListNode object was modified (see $RefParser.dereference)
console.log(ListNode)
//{
//  type: 'object',
//  properties: { value: {type: 'string'}, next: [Circular *1] }
//}

const uglyContent = await compile(ListNode, {format: false})
// Uncaught RangeError: Maximum call stack size exceeded
// Uh-oh! There's infinite recursion happening.

// And of course I don't actually have to call compile() twice.
// I could just as well define my schema like this in the first place:
ListNode.properties.next = ListNode