JSFiddle - React, Tailwind, and code Playground

by Thomas Upton

JavaScript

const obj = {
   "a1G0R000002Sv15UAC":{
      "a1K0R000000ytEsUAI":{
         "test2_2":"test2"
      }
   },
   "a1G0R000002SvdYUAS":{
      "a1K0R000000yu8EUAQ":{
         "test2_2":"test2"
      },
      "a1K0R000000ytEsUAI":{
         "string_1":"test"
      }
   },
   "a1G0R000002T4NIUA0":{
      "a1K0R000000ytEsUAI":{
         "string_1":"test"
      }
   }
};

const result = Object.keys(obj).map(key => Object.keys(obj[key])).flat();

console.log(result);