feat(mdx-loader): upgrade to MDX v3

jest.config.mjs

@@ -86,16 +86,20 @@ export default {
     // MDX packages are ESM-only and it is a pain to use in Jest
     // So we use them in Jest tests as CJS versions
     // see https://mdxjs.com/docs/troubleshooting-mdx/#problems-integrating-mdx
-    '^unified$': '<rootDir>/jest/vendor/unified@10.1.2.js',
-    '^@mdx-js/mdx$': '<rootDir>/jest/vendor/@mdx-js__mdx@2.1.5.js',
-    '^remark$': '<rootDir>/jest/vendor/remark@14.0.2.js',
-    '^remark-mdx$': '<rootDir>/jest/vendor/remark-mdx@2.1.5.js',
-    '^remark-directive$': '<rootDir>/jest/vendor/remark-directive@2.0.1.js',
-    '^remark-gfm$': '<rootDir>/jest/vendor/remark-gfm@3.0.1.js',
+    '^@mdx-js/mdx$': '<rootDir>/jest/vendor/@mdx-js__mdx@3.0.0.js',
+    '^remark$': '<rootDir>/jest/vendor/remark@15.0.1.js',
+    '^remark-rehype$': '<rootDir>/jest/vendor/remark-rehype@11.0.0.js',
+    '^remark-mdx$': '<rootDir>/jest/vendor/remark-mdx@3.0.0.js',
+    '^remark-directive$': '<rootDir>/jest/vendor/remark-directive@3.0.0.js',
+    '^remark-gfm$': '<rootDir>/jest/vendor/remark-gfm@4.0.0.js',
     '^estree-util-value-to-estree$':
       '<rootDir>/jest/vendor/estree-util-value-to-estree@2.1.0.js',
     '^mdast-util-to-string$':
-      '<rootDir>/jest/vendor/mdast-util-to-string@3.1.0.js',
+      '<rootDir>/jest/vendor/mdast-util-to-string@4.0.0.js',
+    '^unist-util-visit$': '<rootDir>/jest/vendor/unist-util-visit@5.0.0.js',
+    '^unist-util-remove-position$':
+      '<rootDir>/jest/vendor/unist-util-remove-position@5.0.0.js',
+    '^rehype-stringify$': '<rootDir>/jest/vendor/rehype-stringify@10.0.0.js',
   },
   snapshotSerializers: [
     '<rootDir>/jest/snapshotPathNormalizer.ts',

jest/vendor/mdast-util-to-string@3.1.0.js → jest/vendor/mdast-util-to-string@4.0.0.js

@@ -22,21 +22,43 @@ __export(mdast_util_to_string_exports, {
   toString: () => toString
 });
 module.exports = __toCommonJS(mdast_util_to_string_exports);
-function toString(node, options) {
-  var { includeImageAlt = true } = options || {};
-  return one(node, includeImageAlt);
+
+// node_modules/mdast-util-to-string/lib/index.js
+var emptyOptions = {};
+function toString(value, options) {
+  const settings = options || emptyOptions;
+  const includeImageAlt = typeof settings.includeImageAlt === "boolean" ? settings.includeImageAlt : true;
+  const includeHtml = typeof settings.includeHtml === "boolean" ? settings.includeHtml : true;
+  return one(value, includeImageAlt, includeHtml);
 }
-function one(node, includeImageAlt) {
-  return node && typeof node === "object" && (node.value || (includeImageAlt ? node.alt : "") || "children" in node && all(node.children, includeImageAlt) || Array.isArray(node) && all(node, includeImageAlt)) || "";
+function one(value, includeImageAlt, includeHtml) {
+  if (node(value)) {
+    if ("value" in value) {
+      return value.type === "html" && !includeHtml ? "" : value.value;
+    }
+    if (includeImageAlt && "alt" in value && value.alt) {
+      return value.alt;
+    }
+    if ("children" in value) {
+      return all(value.children, includeImageAlt, includeHtml);
+    }
+  }
+  if (Array.isArray(value)) {
+    return all(value, includeImageAlt, includeHtml);
+  }
+  return "";
 }
-function all(values, includeImageAlt) {
-  var result = [];
-  var index = -1;
+function all(values, includeImageAlt, includeHtml) {
+  const result = [];
+  let index = -1;
   while (++index < values.length) {
-    result[index] = one(values[index], includeImageAlt);
+    result[index] = one(values[index], includeImageAlt, includeHtml);
   }
   return result.join("");
 }
+function node(value) {
+  return Boolean(value && typeof value === "object");
+}
 // Annotate the CommonJS export names for ESM import in node:
 0 && (module.exports = {
   toString