expose themeListener

src/index.js

@@ -1,14 +1,17 @@
 const createThemeProvider = require('./create-theme-provider');
 const createWithTheme = require('./create-with-theme');
+const createThemeListener = require('./create-theme-listener');
 const channel = require('./channel');
 
 module.exports = {
   channel,
   withTheme: createWithTheme(),
   ThemeProvider: createThemeProvider(),
+  themeListener: createThemeListener(),
   createTheming: (customChannel = channel) => ({
     channel: customChannel,
     withTheme: createWithTheme(customChannel),
     ThemeProvider: createThemeProvider(customChannel),
+    themeListener: createThemeListener(customChannel),
   }),
 };

src/index.test.js

@@ -21,7 +21,7 @@ test(`createTheming()'s type`, t => {
 test(`createTheming()'s key names`, t => {
   const theming = createTheming();
   const actual = Object.keys(theming);
-  const expected = ['channel', 'withTheme', 'ThemeProvider'];
+  const expected = ['channel', 'withTheme', 'ThemeProvider', 'themeListener'];
 
   t.deepEqual(
     actual,