Add support for directives, math, MDX

Author: wooorm

lib/index.js

@@ -29,9 +29,17 @@ export const phrasing =
       'image',
       'imageReference',
       'inlineCode',
+      // Enabled by `mdast-util-math`:
+      'inlineMath',
       'link',
       'linkReference',
+      // Enabled by `mdast-util-mdx`:
+      'mdxJsxTextElement',
+      // Enabled by `mdast-util-mdx`:
+      'mdxTextExpression',
       'strong',
-      'text'
+      'text',
+      // Enabled by `mdast-util-directive`:
+      'textDirective'
     ])
   )

test.js

@@ -51,4 +51,8 @@ test('phrasing', async function (t) {
       assert.equal(phrasing({type: 'list'}), false)
     }
   )
+
+  await t.test('should support common extensions', async function () {
+    assert.equal(phrasing({type: 'textDirective'}), true)
+  })
 })