checkFilterValue(group, currentFilterName) {
  group.forEach((element, index) => {
    if (element.children) {
      if (element.name === currentFilterName) {
        this.returnedValue = element.value
      } else {
        this.checkFilterValue(element.children || this.filtersConfig[index + 1], currentFilterName)
      }
    } else {
      if (element.name === currentFilterName) {
        this.returnedValue = element.value
      }
    }
  })
}

this.checkFilterValue(element.children || this.filtersConfig[index + 1], currentFilterName)

if (element.children) {
   ...
}

checkFilterValue(group, currentFilterName) {
  for (let key in group) {
    const { name, value, children } = group[key]
    if (name === currentFilterName) {
      return value
    }

    if (children) {
        let found = this.checkFilterValue(children, currentFilterName)
        if (found) return found
    }
  }

  return null
}

const { name, value, children } = group[key]