This just started happening when I updated recently, I think I was on v2.2 or 2.3 previously. I believe the issue is related to #134.

var React = require('react')
  , ImmutablePropTypes = require('react-immutable-proptypes');

var MyComponent = React.createClass({
  displayName: 'MyComponent',
  propTypes: {
    immutableObject: ImmutablePropTypes.shape({
      xyz: React.PropTypes.string
    })
  },
  render: function() {
    return <div className={this.props.immutableObject.get('xyz')} />;
  }
});

module.exports = MyComponent;

eslint-react-plugin will complain that 'immutableObject.get' is missing in props validation (react/prop-types).

As you can see, I'm using a custom validator for immutable.js classes, where the default React.PropTypes.shape does not work. I know a lot of people use the react-immutable-proptypes library, so this is going to affect quite a few people if they are also trying to lint with the latest eslint.

I like where object shape validation is going, but it should probably have a separate flag to enable/disable that feature or limit it to props defined with React.PropTypes.shape. I do not wish to turn off validator linting completely, but at the same time it is completely broken when using a custom validator.