feat(remix-dev): provide types for rehypePluggins and remarkPlugins

.changeset/light-dogs-boil.md

@@ -0,0 +1,5 @@
+---
+"@remix-run/dev": minor
+---
+
+Provide types for rehypePlugins and remarkPlugins

packages/remix-dev/compiler/plugins/mdx.ts

@@ -2,6 +2,7 @@ import { promises as fsp } from "node:fs";
 import * as path from "node:path";
 import type * as esbuild from "esbuild";
 import { remarkMdxFrontmatter } from "remark-mdx-frontmatter";
+import type { PluggableList } from "unified";
 
 import { getLoaderForFile } from "../utils/loaders";
 import { createMatchPath } from "../utils/tsconfig";
@@ -71,8 +72,8 @@ export async function processMDX(
   try {
     let fileContents = await fsp.readFile(absolutePath, "utf-8");
 
-    let rehypePlugins = [];
-    let remarkPlugins: any[] = [
+    let rehypePlugins: PluggableList = [];
+    let remarkPlugins: PluggableList = [
       remarkFrontmatter,
       [remarkMdxFrontmatter, { name: "attributes" }],
     ];

packages/remix-dev/config.ts

@@ -4,6 +4,7 @@ import { pathToFileURL } from "node:url";
 import fse from "fs-extra";
 import PackageJson from "@npmcli/package-json";
 import type { NodePolyfillsOptions as EsbuildPluginsNodeModulesPolyfillOptions } from "esbuild-plugins-node-modules-polyfill";
+import type { PluggableList } from "unified";
 
 import type { RouteManifest, DefineRoutesFunction } from "./config/routes";
 import { defineRoutes } from "./config/routes";
@@ -14,8 +15,8 @@ import { detectPackageManager } from "./cli/detectPackageManager";
 import { logger } from "./tux";
 
 export interface RemixMdxConfig {
-  rehypePlugins?: any[];
-  remarkPlugins?: any[];
+  rehypePlugins?: PluggableList;
+  remarkPlugins?: PluggableList;
 }
 
 export type RemixMdxConfigFunction = (