1 files changed, 21 insertions, 0 deletions
diff --git a/tools/doc/markdown.js b/tools/doc/markdown.js
new file mode 100644
index 0000000000..97feadbf99
--- /dev/null
+++ b/tools/doc/markdown.js
@@ -0,0 +1,21 @@
+'use strict';
+
+const visit = require('unist-util-visit');
+
+module.exports = {
+  replaceLinks
+};
+
+function replaceLinks({ filename, linksMapper }) {
+  return (tree) => {
+    const fileHtmlUrls = linksMapper[filename];
+
+    visit(tree, 'definition', (node) => {
+      const htmlUrl = fileHtmlUrls && fileHtmlUrls[node.identifier];
+
+      if (htmlUrl && typeof htmlUrl === 'string') {
+        node.url = htmlUrl;
+      }
+    });
+  };
+}