fix: 完善本地与网络图片渲染

packages/application/src/application-service.ts

@@ -6,12 +6,18 @@ import {
   createThemeRegistry,
   type ThemeRegistryOptions
 } from "./theme-registry.js";
+import {
+  createImageResourceResolver,
+  type ImageResolutionContext,
+  type ImageResourceResolverOptions
+} from "./image-resources.js";
 
 export const MAXIMUM_MARKDOWN_LENGTH = 1_500_000;
 
 export interface MarkdownRenderRequest {
   markdown?: unknown;
   language?: unknown;
+  resources?: unknown;
 }
 
 export class ApplicationRequestError extends Error {
@@ -25,15 +31,21 @@ export class ApplicationRequestError extends Error {
   }
 }
 
-export interface ApplicationServiceOptions extends ThemeRegistryOptions {}
+export interface ApplicationServiceOptions
+  extends ThemeRegistryOptions,
+    ImageResourceResolverOptions {}
 
 export function createApplicationService(
   options: ApplicationServiceOptions
 ) {
   const themes = createThemeRegistry(options);
+  const resolveImages = createImageResourceResolver(options);
 
-  function render(request: MarkdownRenderRequest) {
-    const { markdown, language } = request;
+  async function render(
+    request: MarkdownRenderRequest,
+    context: ImageResolutionContext = {}
+  ) {
+    const { markdown, language, resources } = request;
     if (typeof markdown !== "string") {
       throw new ApplicationRequestError(
         400,
@@ -57,8 +69,11 @@ export function createApplicationService(
     }
 
     try {
+      const images = await resolveImages(markdown, resources, context);
       return renderMarkdown(markdown, {
-        ...(language ? { language } : {})
+        ...(language ? { language } : {}),
+        imageSourceMap: images.sources,
+        warnings: images.warnings
       });
     } catch (error) {
       if (error instanceof MarkdownDocumentParseError) {
@@ -68,6 +83,16 @@ export function createApplicationService(
           error.message
         );
       }
+      if (error instanceof Error) {
+        const tooLarge = /超过|大小/u.test(error.message);
+        throw new ApplicationRequestError(
+          tooLarge ? 413 : 400,
+          tooLarge
+            ? "IMAGE_RESOURCES_TOO_LARGE"
+            : "INVALID_IMAGE_RESOURCES",
+          error.message
+        );
+      }
       throw error;
     }
   }