fix: allow explicit index import in pure ESM context

index.d.cts

@@ -0,0 +1 @@
+export * from './index.d';

index.d.mts

@@ -0,0 +1 @@
+export * from './index.d';

index.d.ts

@@ -1,7 +1,7 @@
 import type PostHTML from "posthtml";
 import type terser from "terser";
 import type { Options as CssNanoOptions } from "cssnano";
-import type { OptimizeOptions as SvgoOptimizeOptions } from "svgo";
+import type { Config as SvgoOptimizeOptions } from "svgo";
 
 export interface HtmlnanoOptions {
   skipConfigLoading?: boolean;

package.json

@@ -9,6 +9,12 @@
     ".": {
       "require": "./index.cjs",
       "import": "./index.mjs"
+    },
+    "./index.mjs": {
+      "import": "./index.mjs"
+    },
+    "./index.cjs": {
+      "require": "./index.cjs"
     }
   },
   "types": "index.d.ts",