Refactor types to use ConstructNameMap interface

Author: wooorm

index.d.ts

@@ -96,3 +96,29 @@ declare module 'mdast-util-from-markdown' {
     mdxJsxTagStack?: Tag[] | undefined
   }
 }
+
+// Add custom data tracked to turn a syntax tree into markdown.
+declare module 'mdast-util-to-markdown' {
+  // eslint-disable-next-line @typescript-eslint/consistent-type-definitions
+  interface ConstructNameMap {
+    /**
+     * Whole JSX element, in flow.
+     *
+     * ```markdown
+     * > | <a />
+     *     ^^^^^
+     * ```
+     */
+    mdxJsxFlowElement: 'mdxJsxFlowElement'
+
+    /**
+     * Whole JSX element, in text.
+     *
+     * ```markdown
+     * > | a <b />.
+     *       ^^^^^
+     * ```
+     */
+    mdxJsxTextElement: 'mdxJsxTextElement'
+  }
+}

lib/index.js

@@ -520,7 +520,6 @@ export function mdxJsxToMarkdown(options) {
     const tracker = track(safeOptions)
     const selfClosing =
       node.name && (!node.children || node.children.length === 0)
-    // @ts-expect-error: to do: register.
     const exit = context.enter(node.type)
     let index = -1
     /** @type {Array<string>} */