parseJsonKeys.js

/**
 * Parses json keys to camel or snake case
 * Use lodash to convert strings to camelCase or snake-case
 *
 * @param {Object} json 
 * @param {Boolean} camel 
 */
function parseJsonKeys(json = {}, camel = true) {
  if (typeof json === 'object') {
    const arr = Object.entries(json)
    return arr.reduce((acc, [key, val]) => {
      const camelKey = camel ? _.camelCase(key) : _.snakeCase(key)
      let value = val
      if (value instanceof Array) {
        value = value.map(el => {
          if (typeof el === 'string') {
            return el
          }
          return parseJsonKeys(el)
        })
      } else if (typeof value === 'object') {
        value = parseJsonKeys(value)
      }

      return {
        ...acc,
        [camelKey]: value
      }
    }, {})
  }
  
  throw new Error(
    'First argument should be an Object, received: ' + typeof json
  )
}