How to use

last

function

in

lodash

get(path, parsed = true) {
  if (parsed) {
   const value = get(this.parsed, path, null)
   if (value == null) {
    const keys = path.split('.')
    const key = last(keys)
    return get(this.parsed.default, key)
   }
   return value
  } else {
   return get(this.data, path)
  }
 }

const mapChanges = (changes, side, toValue) => {
  if (!changes.length) {
    return [];
  }

  const computeLineNumber = side === 'old' ? computeOldLineNumber : computeNewLineNumber;
  const changesByLineNumber = keyBy(changes, computeLineNumber);
  const maxLineNumber = computeLineNumber(last(changes));
  return Array.from({length: maxLineNumber}).map((value, i) => toValue(changesByLineNumber[i + 1]));
}

/**
  * Create a new message instance which will have any default values set on
  * the interface by any applicable setters exposed publically. Optionally, API
  * key and User Id can be supplied at function invocation to override any
  * values set for these fields on the interface.
  * @function newMessage
  * @param {String} [apiKey] - the Chatbase API key
  * @param {String} [userId] - the Chatbase user id
  * @returns {MessageStateWrapper} - a new instance of MessageStateWrapper
  */
 newMessage (apiKey=null, userId=null) {
  const key = apiKey ? apiKey : this.api_key;
  const id = userId ? userId  : this.user_id;
  const msg = new MessageSetMessage(key, id)
   .setPlatform(this.platform)
   .setVersion(this.version)
   .setIntent(this.intent)
   .setCustomSessionId(this.session_id)
   .setClientTimeout(this.transport_timeout);
  if (this.type === MessageSink.messageTypes().agent) {
   msg.setAsTypeAgent();
  } else if (this.type === MessageSink.messageTypes().user) {
   msg.setAsTypeUser();
  }
  this.messages.push(msg);
  return last(this.messages);
 }

} else {
 newRow[titleMap[col]] = content
 if (col !== last(Object.keys(titleMap))) return // there's still more to collect
 results.push({ ...newRow })
 newRow = {}

static extractPayloadsFromMessageSet (messages) {
  var messagePayloadSet = [];
  for (var i = 0; i < messages.length; i++) {
   messagePayloadSet.push(messages[i].exportCreatePayload());
   if (last(messagePayloadSet) instanceof Error) {
    // return the error
    return last(messagePayloadSet);
   }
  }
  return messagePayloadSet;
 }

get(path, parsed = true) {
    if (parsed) {
      const value = get(this.parsed, path, null)
      if (value == null) {
        const keys = path.split('.')
        const key = last(keys)
        return get(this.parsed.default, key)
      }
      return value
    } else {
      return get(this.data, path)
    }
  }

get(path, parsed = true) {
    if (parsed) {
      const value = get(this.parsed, path, null)
      if (value == null) {
        const keys = path.split('.')
        const key = last(keys)
        return get(this.parsed.default, key)
      }
      return value
    } else {
      return get(this.data, path)
    }
  }

get(path, parsed = true) {
    if (parsed) {
      const value = get(this.parsed, path, null)
      if (value == null) {
        const keys = path.split('.')
        const key = last(keys)
        return get(this.parsed.default, key)
      }
      return value
    } else {
      return get(this.data, path)
    }
  }