Ant-design: TypeError: Tidak dapat membaca properti 'type' dari null saat tombol render dengan nilai null.

Lingkungan (wajib)

• versi antd: 2.8.2
• OS dan versinya: macOS 10.11.6
• Browser dan versinya: Chrome 57

Apa yang kamu lakukan? Berikan langkah-langkah untuk memunculkan kembali masalah Anda.

<Button>{null}🙃</Button>

Apa yang kamu harapkan

Render tombol ( <button>🙃</button> ) tanpa kesalahan.

Apa yang terjadi?

insertSpace metode mengeksekusi ekspres null.type .
Menyebabkan kesalahan tipe:

Uncaught TypeError: Cannot read property 'type' of null
    at insertSpace (unpkg.com/[email protected]/dist/antd-with-locales.js:88201)
    at mapSingleChildIntoContext (unpkg.com/[email protected]/dist/react.js:371)
    at traverseAllChildrenImpl (unpkg.com/[email protected]/dist/react.js:3390)
    at traverseAllChildrenImpl (unpkg.com/[email protected]/dist/react.js:3406)
    at traverseAllChildren (unpkg.com/[email protected]/dist/react.js:3485)
    at mapIntoWithKeyPrefixInternal (unpkg.com/[email protected]/dist/react.js:391)
    at Object.mapChildren [as map] (unpkg.com/[email protected]/dist/react.js:413)
    at Button.render (unpkg.com/[email protected]/dist/antd-with-locales.js:88303)
    at unpkg.com/[email protected]/dist/react-dom.js:5250
    at measureLifeCyclePerf (unpkg.com/[email protected]/dist/react-dom.js:4529)

Demo online yang dapat diproduksi ulang

http://codepen.io/blade254353074/pen/wJXgrL