recursive_mqtt_topic.js

const mockup = {
  'info': {
    'ssid': 'CMMC-4G-GATEWAY',
    'flash_size': 4194304,
    'flash_id': '1640a1',
    'chip_id': 'eecda8',
    'sdk': '2.0.0(656edbf)',
    'mac': '18:FE:34:EE:CD:A8',
    'id': '15650216',
    'client_id': '15650216',
    'device_id': '15650216',
    'prefix': 'CMMC/BANANA/',
    'ip': '192.168.100.202',
    'version': 0.99
  },
  'd': {
    'myName': 'NODE-01',
    'millis': 46669,
    'temperature_c': 30.20,
    'humidity_percent_rh': 84.30,
    'state': 0,
    'heap': 37656,
    'rssi': -90,
    'counter': 7,
    'nodes': {
      node1: 'this is node 001',
      node2: 'this is node 002',
      node3: {
        name: 'node003',
        sub_nodes: {
          n1: 'ok',
          nested: {
            name: 'hello world'
          }
        }
      }
    },
    'subscription': 1
  },
  't': {
    test: '123'
  }
}

const resolve_nested = (k, d, r) => {
  const n = d || mockup
  for (let key in n) {
    if (n.hasOwnProperty(key)) {
      if (typeof(n[key]) === 'object') {
        if (k !== undefined) {
          if (r !== undefined) {
            console.log(`----- +++++ /${r}/${k}/${key}`)
          } else {
            console.log(`----- /${k}/${key}`)
          }
          resolve_nested(key, n[key], k)
        } else {
          console.log(`/${key}`) // this is root object
          resolve_nested(key, n[key])
        }
      } else {
        if (r !== undefined) {
          console.log(`----- +++++ /${r}/${k}/${key}`) // this is children object
        } else {
          console.log(`----- /${k}/${key}`) // this is children object
        }
      }
    }
  }
}

const _initial = () => {
  resolve_nested()
}

_initial()