example/dist/csssystem/styleguide/cmod_styleguide.js
function warnForPropsMutation(propName, element) {
  var type = element.type;
  var elementName = typeof type === 'string' ? type : type.displayName;
  var ownerName = element._owner ?
    element._owner.getPublicInstance().constructor.displayName : null;

  var warningKey = propName + '|' + elementName + '|' + ownerName;
  if (warnedPropsMutations.hasOwnProperty(warningKey)) {
    return;
  }
  warnedPropsMutations[warningKey] = true;

  var elementInfo = '';
  if (elementName) {
    elementInfo = ' <' + elementName + ' />';
  }
  var ownerInfo = '';
  if (ownerName) {
    ownerInfo = ' The element was created by ' + ownerName + '.';
  }

  ("production" !== "development" ? warning(
    false,
    'Don\'t set .props.%s of the React component%s. Instead, specify the ' +
    'correct value when initially creating the element or use ' +
    'React.cloneElement to make a new element with updated props.%s',
    propName,
    elementInfo,
    ownerInfo
  ) : null);
}
function warnForPropsMutation(propName, element) {
  var type = element.type;
  var elementName = typeof type === 'string' ? type : type.displayName;
  var ownerName = element._owner ?
    element._owner.getPublicInstance().constructor.displayName : null;

  var warningKey = propName + '|' + elementName + '|' + ownerName;
  if (warnedPropsMutations.hasOwnProperty(warningKey)) {
    return;
  }
  warnedPropsMutations[warningKey] = true;

  var elementInfo = '';
  if (elementName) {
    elementInfo = ' <' + elementName + ' />';
  }
  var ownerInfo = '';
  if (ownerName) {
    ownerInfo = ' The element was created by ' + ownerName + '.';
  }

  ("production" !== "development" ? warning(
    false,
    'Don\'t set .props.%s of the React component%s. Instead, specify the ' +
    'correct value when initially creating the element or use ' +
    'React.cloneElement to make a new element with updated props.%s',
    propName,
    elementInfo,
    ownerInfo
  ) : null);
}
function warnForPropsMutation ( propName , element ) { var type = element . type ; var elementName = typeof type === 'string' ? type : type . displayName ; var ownerName = element . _owner ? element . _owner . getPublicInstance ( ) . constructor . displayName : null ; var warningKey = propName + '|' + elementName + '|' + ownerName ; if ( warnedPropsMutations . hasOwnProperty ( warningKey ) ) { return ; } warnedPropsMutations [ warningKey ] = true ; var elementInfo = '' ; if ( elementName ) { elementInfo = ' <' + elementName + ' />' ; } var ownerInfo = '' ; if ( ownerName ) { ownerInfo = ' The element was created by ' + ownerName + '.' ; } ( "production" !== "development" ? warning ( false , 'Don\'t set .props.%s of the React component%s. Instead, specify the ' + 'correct value when initially creating the element or use ' + 'React.cloneElement to make a new element with updated props.%s' , propName , elementInfo , ownerInfo ) : null ) ; }
Warn about mutating props when setting `propName` on `element`.

@param {string} propName The string key within props that was set
@param {ReactElement} element
Warn about mutating props when setting propName on element .