feat: 实现 Web 与 Desktop DOCX 导出交互

packages/core/src/docx.ts

@@ -154,6 +154,7 @@ export const docxExportErrorCodeSchema = z.enum([
   "INVALID_EXPORT_CONFIG",
   "INVALID_FILE_NAME",
   "INVALID_MARKDOWN",
+  "INVALID_FRONT_MATTER",
   "MARKDOWN_TOO_LARGE",
   "INVALID_IMAGE_RESOURCES",
   "IMAGE_RESOURCES_TOO_LARGE",

packages/docx-engine/src/pandoc-converter.ts

@@ -77,6 +77,7 @@ export interface PandocDocxConversionResult {
 
 export interface PandocDocxConverterOptions {
   runtime: PandocRuntimeProvider | PandocRuntime;
+  luaFilterUrl?: URL;
   runner?: PandocProcessRunner;
   environment?: NodeJS.ProcessEnv;
   temporaryRoot?: string;
@@ -102,13 +103,6 @@ export class PandocDocxConversionError extends Error {
   }
 }
 
-let luaFilterContent: Promise<Uint8Array> | undefined;
-
-function loadLuaFilter() {
-  luaFilterContent ??= readFile(luaFilterUrl);
-  return luaFilterContent;
-}
-
 function ensureOutputLimit(value: number | undefined) {
   const limit = value ?? MAXIMUM_DOCX_OUTPUT_BYTES;
   if (
@@ -179,6 +173,7 @@ function pandocArguments(paths: {
 }
 
 export class PandocDocxConverter {
+  private luaFilterContent: Promise<Uint8Array> | undefined;
   private readonly runner: PandocProcessRunner;
   private readonly timeoutMs: number;
   private readonly maximumOutputBytes: number;
@@ -205,6 +200,13 @@ export class PandocDocxConverter {
     }
   }
 
+  private loadLuaFilter() {
+    this.luaFilterContent ??= readFile(
+      this.options.luaFilterUrl ?? luaFilterUrl
+    );
+    return this.luaFilterContent;
+  }
+
   async convert(
     input: PandocDocxConversionInput,
     signal?: AbortSignal
@@ -232,7 +234,7 @@ export class PandocDocxConverter {
         await Promise.all([
           this.options.runtime.getExecutablePath(),
           this.options.runtime.getDefaultReferenceDocx(),
-          loadLuaFilter()
+          this.loadLuaFilter()
         ]);
       const reference = this.getOrCreateReference(baseline, input);
       const referenceMs = performance.now() - referenceStarted;