WIP - add extractor, generate snippet_data

node_modules/gatsby-transformer-remark/code-handler.js

@@ -0,0 +1,15 @@
+"use strict";
+
+const defaultHandler = require(`mdast-util-to-hast/lib/handlers/code`);
+
+module.exports = handler;
+
+function handler(h, node) {
+  const result = defaultHandler(h, node);
+
+  if (node.meta && result.children[0]) {
+    result.children[0].properties.dataMeta = node.meta;
+  }
+
+  return result;
+}