Preact: Preact render undefined element

[sxcooler]

import {h, Component} from 'preact';

export default class PropList extends Component {
    render() {
        const aaa = ['a', 'b', 'c'];
        const list = aaa.map((item, index) => {
            return <div>foo bar</div>
        });
        console.log(list);
        return {list};
    }
}

my project is based on https://github.com/developit/preact-boilerplate and I put this into app.js Router part.

<PropList path="/test"/>

and I get this:

that "undefined" is my PropList.

[sxcooler]

sorry, my fault.
I found this: https://github.com/developit/preact/issues/45
and this: http://stackoverflow.com/questions/32157286/rendering-react-components-from-array-of-objects
and I should review this: https://facebook.github.io/react/docs/lists-and-keys.html