fix(react): rendering self-closed tags and tags without content (#74)

packages/bbob-react/src/render.js

@@ -1,3 +1,4 @@
+/* eslint-disable no-use-before-define */
 import React from 'react';
 import core from '@bbob/core';
 import * as html from '@bbob/html';
@@ -10,12 +11,13 @@ const toAST = (source, plugins, options) => core(plugins)
     render: (input) => html.render(input, { stripTags: true }),
   }).tree;
 
+const isContentEmpty = (content) => (!content || content.length === 0);
+
 function tagToReactElement(node, index) {
   return React.createElement(
     node.tag,
     { ...node.attrs, key: index },
-    // eslint-disable-next-line no-use-before-define
-    node.content ? renderToReactNodes(node.content) : null,
+    isContentEmpty(node.content) ? null : renderToReactNodes(node.content),
   );
 }
 

packages/bbob-react/test/index.test.js

@@ -43,6 +43,12 @@ describe('@bbob/react', () => {
     expect(html).toBe('<span><a href="https://en.wikipedia.org">https://en.wikipedia.org</a></span>')
   });
 
+  test('[b]Testing[/b][hr]', () => {
+    const html = renderBBCode('[b]Testing[/b][hr]');
+
+    expect(html).toBe('<span><span style="font-weight:bold;">Testing</span><hr/></span>')
+  });
+
   describe('options.onlyAllowTags', () => {
     test('render "[Super Feature] and [i]super[/i]" when only [i] allowed', () => {
       const html = renderBBCode('[Super Feature] and [i]super[/i]', { onlyAllowTags: ['i'] });