oh no where did astro go

docs/_utils/copy-code.js

@@ -0,0 +1,32 @@
+import { parse } from 'node-html-parser';
+
+/**
+ * Eleventy plugin to add copy buttons to code blocks.
+ */
+export function copyCodePlugin(options = {}) {
+  options = {
+    container: 'body',
+    ...options
+  };
+
+  return function (eleventyConfig) {
+    eleventyConfig.addTransform('copy-code', content => {
+      const doc = parse(content, { blockTextElements: { code: true } });
+      const container = doc.querySelector(options.container);
+
+      if (!container) {
+        return content;
+      }
+
+      // Look for code blocks
+      container.querySelectorAll('pre > code').forEach(code => {
+        const pre = code.closest('pre');
+
+        // Add a copy button (we set the copy data at runtime to reduce page bloat)
+        pre.innerHTML = `<wa-copy-button class="copy-button" hoist></wa-copy-button>` + pre.innerHTML;
+      });
+
+      return doc.toString();
+    });
+  };
+}