Advertising unknown language as such

sergioramos · Nov 10, 2020 · 12137f4 · 12137f4
1 parent 0a14374
commit 12137f4
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Showing 4 changed files with 8 additions and 4 deletions.
diff --git a/index.js b/index.js
@@ -163,7 +163,7 @@ const parseLang = (str) => {
 
   const attrs = selectors.length ? selectorToAttrs(selectors) : {};
   const className = classNames(
-    lang ? `language-${lang}` : 'language-',
+    lang ? `language-${lang}` : 'language-unknown',
     attrs.class,
   );
   const { legend = '', ...restAttrs } = attrs;
@@ -205,7 +205,11 @@ module.exports = (options = {}) => (tree) => {
         );
       }, '');
 
-    const code = h('code', { className: `language-${lang}` }, u('raw', raw));
+    const code = h(
+      'code',
+      { className: `language-${lang || 'unknown'}` },
+      u('raw', raw),
+    );
     const pre = h(
       'div',
       { className: 'remark-highlight' },

diff --git a/test/outputs/no-lang.html b/test/outputs/no-lang.html
@@ -1,6 +1,6 @@
 <link href="./theme.css" rel="stylesheet" />
 <div class="remark-highlight">
-  <pre class="language-"><code class="language-">hello
+  <pre class="language-unknown"><code class="language-unknown">hello
 world
 </code></pre>
 </div>
diff --git a/test/snapshots/index.js.md b/test/snapshots/index.js.md
@@ -1300,7 +1300,7 @@ Generated by [AVA](https://avajs.dev).
 
     `<link href="./theme.css" rel="stylesheet" />␊
     <div class="remark-highlight">␊
-      <pre class="language-"><code class="language-">hello␊
+      <pre class="language-unknown"><code class="language-unknown">hello␊
     world␊
     </code></pre>␊
     </div>␊

diff --git a/test/snapshots/index.js.snap b/test/snapshots/index.js.snap