fix: add plaintext rendering

Author: barelyhuman

src/components/editor.vue

@@ -15,10 +15,12 @@ import hljs from "highlight.js/lib/core";
 import javascript from "highlight.js/lib/languages/javascript";
 import markdown from "highlight.js/lib/languages/markdown";
 import golang from "highlight.js/lib/languages/go";
+import plaintext from "highlight.js/lib/languages/plaintext";
 
 hljs.registerLanguage("javascript", javascript);
 hljs.registerLanguage("markdown", markdown);
 hljs.registerLanguage("go", golang);
+hljs.registerLanguage("plaintext", plaintext);
 
 const props = {
   code: String,

src/lib/marked/index.js

@@ -5,7 +5,9 @@ import hljs from "highlight.js";
 marked.setOptions({
   highlight: function (code, lang, callback) {
     console.log({ code, lang, callback });
-    const highlightedCode = hljs.highlight(code, { language: lang }).value;
+    const highlightedCode = hljs.highlight(code, {
+      language: lang || "plaintext",
+    }).value;
     return highlightedCode;
   },
 });