Rubocop Examples

Bracket Line Up
What Rubocop wants:
```
render({
        json: @property_transaction,
        scope: {
          user: current_user,
          property_transaction: @property_transaction,
        }
      })
```


What we have:
```
render({
  json: @property_transaction,
  scope: {
    user: current_user,
    property_transaction: @property_transaction,
  }
})
```


"Avoid the use of Perl-style backrefs."
What Rubocop wants:
```
channel_matches_token = channel_name&.match(/\Aprivate-gmail-tokens-(\d+)\z/) && current_user.gmail_token_scope.where(id: Regexp.last_match(1)).exists?
```
What we have:
```
channel_matches_token = channel_name&.match(/\Aprivate-gmail-tokens-(\d+)\z/) && current_user.gmail_token_scope.where(id: $1).exists?
```




begin..rescue

with begin:
```
def send_to_intercom
  begin
    intercom_data = { client_status_updated_at: client_status.updated_at.to_i }
    IntercomUtils.send_custom_data(gmail_token.user, intercom_data)
  rescue Intercom::IntercomError => e
  end
end
```

what rubocop wants:
```
def send_to_intercom
  intercom_data = { client_status_updated_at: client_status.updated_at.to_i }
  IntercomUtils.send_custom_data(gmail_token.user, intercom_data)
rescue Intercom::IntercomError => e
end
```