[clang-tools-extra] Clang doc async (PR #93276)

[Paul Kirth via cfe-commits]

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@@ -82,6 +82,7 @@ function createIndex(Index) {
 document.addEventListener("DOMContentLoaded", function() {
   // JsonIndex is a variable from another file that contains the index
   // in JSON format
-  var Index = JSON.parse(JsonIndex);
-  createIndex(Index);
+  fetch("/index.json")
+      .then((response) => response.json())
+      .then((Index) => { createIndex(Index); });
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ilovepi wrote:

Can you update this comment to reflect how this works?

https://github.com/llvm/llvm-project/pull/93276