feat(mdx-loader): upgrade to MDX v3 + (#9451)

Author: slorber

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$': '<rootDir>/jest/vendor/[email protected].js',
-    '^@mdx-js/mdx$': '<rootDir>/jest/vendor/@[email protected].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$': '<rootDir>/jest/vendor/@[email protected].js',
+    '^remark$': '<rootDir>/jest/vendor/[email protected].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$':
-      '<rootDir>/jest/vendor/estree-util-value-to-estree@2.1.0.js',
+      '<rootDir>/jest/vendor/estree-util-value-to-estree@3.0.1.js',
     '^mdast-util-to-string$':
-      '<rootDir>/jest/vendor/[email protected]',
+      '<rootDir>/jest/vendor/[email protected]',
+    '^unist-util-visit$': '<rootDir>/jest/vendor/[email protected]',
+    '^unist-util-remove-position$':
+      '<rootDir>/jest/vendor/[email protected]',
+    '^rehype-stringify$': '<rootDir>/jest/vendor/[email protected]',
   },
   snapshotSerializers: [
     '<rootDir>/jest/snapshotPathNormalizer.ts',

jest/vendor/@[email protected] renamed to jest/vendor/@[email protected]

@@ -23,7 +23,7 @@ __export(estree_util_value_to_estree_exports, {
 });
 module.exports = __toCommonJS(estree_util_value_to_estree_exports);
 
-// node_modules/estree-util-value-to-estree/node_modules/is-plain-obj/index.js
+// node_modules/is-plain-obj/index.js
 function isPlainObject(value) {
   if (typeof value !== "object" || value === null) {
     return false;
@@ -49,7 +49,7 @@ function valueToEstree(value, options = {}) {
     };
   }
   if (typeof value === "number") {
-    return value >= 0 ? { type: "Literal", value } : {
+    return value >= 0 && !Object.is(value, -0) ? { type: "Literal", value } : {
       type: "UnaryExpression",
       operator: "-",
       prefix: true,
@@ -130,17 +130,29 @@ function valueToEstree(value, options = {}) {
     };
   }
   if (options.instanceAsObject || isPlainObject(value)) {
-    return {
-      type: "ObjectExpression",
-      properties: Reflect.ownKeys(value).map((key) => ({
+    const properties = Reflect.ownKeys(value).map((key) => ({
+      type: "Property",
+      method: false,
+      shorthand: false,
+      computed: typeof key !== "string",
+      kind: "init",
+      key: valueToEstree(key, options),
+      value: valueToEstree(value[key], options)
+    }));
+    if (Object.getPrototypeOf(value) == null) {
+      properties.unshift({
         type: "Property",
         method: false,
         shorthand: false,
-        computed: typeof key !== "string",
+        computed: false,
         kind: "init",
-        key: valueToEstree(key, options),
-        value: valueToEstree(value[key], options)
-      }))
+        key: { type: "Identifier", name: "__proto__" },
+        value: { type: "Literal", value: null }
+      });
+    }
+    return {
+      type: "ObjectExpression",
+      properties
     };
   }
   throw new TypeError(`Unsupported value: ${String(value)}`);

jest/vendor/[email protected] renamed to jest/vendor/[email protected]

@@ -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