get parent from child array path

gjson-parent-from-child-array.go

package main

import (
	"fmt"

	"github.com/tidwall/gjson"
)

func main() {
	json := `
{
  "sites": [
    {
      "serverNames":[
        "domain1.org"
      ],
      "documentRoot": "./sites/domain1",
    },
    {
      "serverNames":[
        "domain2.org"
      ],
      "documentRoot": "./sites/domain2",
    }
  ]
}
	`
	site := getSite(json, "domain1.org")
	fmt.Println(site.Raw)
}

func getSite(json, serverName string) gjson.Result {
	var done bool
	var site gjson.Result
	gjson.Get(json, "sites").ForEach(func(_, rsite gjson.Result) bool {
		rsite.Get("serverNames").ForEach(func(_, vserverName gjson.Result) bool {
			if vserverName.String() == serverName {
				site = rsite
				done = true
			}
			return !done
		})
		return !done
	})
	return site
}