Fix extra styles type in mdToDraftjs declaration

index.d.ts

@@ -1,11 +1,23 @@
-declare module 'draftjs-md-converter' {
-  import { RawDraftContentState } from 'draft-js';
+declare module "draftjs-md-converter" {
+  import type { Syntax as ASTNodeTypes } from "@textlint/markdown-to-ast";
+  import type { RawDraftContentState } from "draft-js";
   export function draftjsToMd(
     raw: RawDraftContentState,
     extraMarkdownDict?: { [key: string]: string }
   ): string;
   export function mdToDraftjs(
     mdString: string,
-    extraStyles?: { [key: string]: string }
+    extraStyles?: {
+      inlineStyles?: {
+        [key in ASTNodeTypes]?: {
+          type: string;
+          symbol: string;
+          [key: string]: string;
+        };
+      };
+      blockStyles?: {
+        [key: string]: string;
+      };
+    }
   ): RawDraftContentState;
 }

package.json

@@ -48,6 +48,7 @@
     "babel-eslint": "^10.1.0",
     "chai": "^3.5.0",
     "dirty-chai": "^1.2.2",
+    "esbuild": "0.8.36",
     "eslint": "^3.9.0",
     "eslint-config-airbnb": "^6.2.0",
     "eslint-config-prettier": "^2.9.0",
@@ -58,11 +59,10 @@
     "husky": "4.2.1",
     "lint-staged": "^7.0.4",
     "mocha": "^2.4.5",
-    "esbuild": "0.8.36",
     "prettier": "1.19.1"
   },
   "dependencies": {
-    "@textlint/markdown-to-ast": "6.1.6"
+    "@textlint/markdown-to-ast": "12.0.2"
   },
   "husky": {
     "hooks": {