GraphQL utilities

doesPathExists.ts

import { FieldNode } from 'graphql'

export const doesPathExists = (
  nodes: readonly FieldNode[],
  path: string[]
): boolean => {
  if (!nodes) {
    return false
  }

  const node = nodes.find((x) => x.name.value === path[0])

  if (!node) return false

  if (path.length === 1) return true
  if (!node.selectionSet) return false

  return doesPathExists(
    node.selectionSet.selections as FieldNode[],
    path.slice(1)
  )
}