refactor: 收敛渲染链路共享抽象

packages/renderer/src/render-markdown.ts

@@ -2,7 +2,11 @@ import { anchor } from "@mdit/plugin-anchor";
 import { footnote } from "@mdit/plugin-footnote";
 import { katex } from "@mdit/plugin-katex";
 import { tasklist } from "@mdit/plugin-tasklist";
-import type { ThemeFeature } from "@md-to-pdf/core";
+import type {
+  MarkdownDocumentMetadata,
+  RenderedMarkdownDocument,
+  ThemeFeature
+} from "@md-to-pdf/core";
 import matter from "gray-matter";
 import hljs from "highlight.js";
 import MarkdownIt from "markdown-it";
@@ -22,25 +26,15 @@ export class MarkdownDocumentParseError extends Error {
   }
 }
 
-export interface MarkdownDocumentMetadata {
-  title: string;
-  author: string;
-  subject: string;
-  keywords: string[];
-  language: string;
-}
+export type { MarkdownDocumentMetadata } from "@md-to-pdf/core";
 
 export interface RenderMarkdownOptions {
   language?: string;
 }
 
-export interface RenderedMarkdown {
+export interface RenderedMarkdown
+  extends Omit<RenderedMarkdownDocument, "rendererVersion"> {
   rendererVersion: typeof RENDERER_VERSION;
-  articleHtml: string;
-  bodyHtml: string;
-  metadata: MarkdownDocumentMetadata;
-  features: ThemeFeature[];
-  warnings: string[];
 }
 
 const markdownOptions: MarkdownItOptions = {