set prop types for render, theme, size and badge from string to oneOf (#236)

Author: Elecweb

src/index.js

@@ -8,16 +8,16 @@ const propTypes = {
  onloadCallback: PropTypes.func,
  verifyCallback: PropTypes.func,
  expiredCallback: PropTypes.func,
- render: PropTypes.string,
+ render: PropTypes.oneOf(['onload', 'explicit']),
  sitekey: PropTypes.string,
- theme: PropTypes.string,
+ theme: PropTypes.oneOf(['light', 'dark']),
  type: PropTypes.string,
  verifyCallbackName: PropTypes.string,
  expiredCallbackName: PropTypes.string,
- size: PropTypes.string,
+ size: PropTypes.oneOf(['invisible', 'compact', 'normal']),
  tabindex: PropTypes.string,
  hl: PropTypes.string,
- badge: PropTypes.string,
+ badge: PropTypes.oneOf(['bottomright', 'bottomleft', 'inline']),
 };
 
 const defaultProps = {