feat: 发布 v0.4.0 桌面端

2026-07-27 20:56:39 +08:00
parent 92a5bfd016
commit 4d60741f5a
90 changed files with 10431 additions and 223 deletions
@@ -0,0 +1,99 @@
+import {
+  MarkdownDocumentParseError,
+  renderMarkdown
+} from "@md-to-pdf/renderer";
+import {
+  createThemeRegistry,
+  type ThemeRegistryOptions
+} from "./theme-registry.js";
+
+export const MAXIMUM_MARKDOWN_LENGTH = 1_500_000;
+
+export interface MarkdownRenderRequest {
+  markdown?: unknown;
+  language?: unknown;
+}
+
+export class ApplicationRequestError extends Error {
+  constructor(
+    readonly statusCode: 400 | 404 | 413,
+    readonly code: string,
+    message: string
+  ) {
+    super(message);
+    this.name = "ApplicationRequestError";
+  }
+}
+
+export interface ApplicationServiceOptions extends ThemeRegistryOptions {}
+
+export function createApplicationService(
+  options: ApplicationServiceOptions
+) {
+  const themes = createThemeRegistry(options);
+
+  function render(request: MarkdownRenderRequest) {
+    const { markdown, language } = request;
+    if (typeof markdown !== "string") {
+      throw new ApplicationRequestError(
+        400,
+        "INVALID_MARKDOWN",
+        "markdown 必须是字符串"
+      );
+    }
+    if (markdown.length > MAXIMUM_MARKDOWN_LENGTH) {
+      throw new ApplicationRequestError(
+        413,
+        "MARKDOWN_TOO_LARGE",
+        "Markdown 内容不能超过 1.5 MB"
+      );
+    }
+    if (language !== undefined && typeof language !== "string") {
+      throw new ApplicationRequestError(
+        400,
+        "INVALID_LANGUAGE",
+        "language 必须是字符串"
+      );
+    }
+
+    try {
+      return renderMarkdown(markdown, {
+        ...(language ? { language } : {})
+      });
+    } catch (error) {
+      if (error instanceof MarkdownDocumentParseError) {
+        throw new ApplicationRequestError(
+          400,
+          error.code,
+          error.message
+        );
+      }
+      throw error;
+    }
+  }
+
+  async function listThemes() {
+    return {
+      themes: (await themes.list()).map(({ manifest, source }) => ({
+        id: manifest.id,
+        name: manifest.name,
+        version: manifest.version,
+        description: manifest.description,
+        bundled: manifest.bundled,
+        source
+      }))
+    };
+  }
+
+  return {
+    getThemeAsset: themes.getAsset,
+    getThemeCss: themes.getCss,
+    invalidateThemes: themes.invalidate,
+    listThemes,
+    render
+  };
+}
+
+export type ApplicationService = ReturnType<
+  typeof createApplicationService
+>;