Home.js - Select Item - React Native Gifted Chat App

Home.js

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const joinGroup = (item) => {
  if (item && item.guid && !item.hasJoined) {
    const GUID = item.guid;
    const password = "";
    const groupType = cometChat.GROUP_TYPE.PUBLIC;

    cometChat.joinGroup(GUID, groupType, password).then(
      group => {
      },
      error => {
      }
    );
  }
};

const selectItem = (item) => () => {
  // if item is a group. Join the group if the user has not joined before. 
  if (item && item.guid && !item.hasJoined) {
    joinGroup(item);
  }
  //
  setSelectedConversation({ ...item, contactType: selectedType });
  navigation.navigate('Chat');
};
...