✨ Add download Lua scripts automaticlly.

src/main.ts

@@ -1,5 +1,8 @@
 import './polyfill';
 import { App, Menu, Plugin, PluginManifest, TFile } from 'obsidian';
+import * as https from 'https';
+import * as fs from 'fs';
+import * as fsp from 'fs/promises';
 
 import { UniversalExportPluginSettings, DEFAULT_SETTINGS} from './settings';
 import { ExportDialog } from './ui/export_modal';
@@ -34,7 +37,7 @@ export default class UniversalExportPlugin extends Plugin {
         }).addSeparator();
       }
     }));
-
+    this.downloadLuaScripts().then();
   }
 
   public async resetSettings(): Promise<void> {
@@ -53,6 +56,43 @@ export default class UniversalExportPlugin extends Plugin {
     console.log('saveSettings', this.settings);
     await this.saveData(this.settings);
   }
+
+  async downloadLuaScripts(): Promise<void> {
+    const luaDir = `${this.app.vault.adapter.getBasePath()}/${this.manifest.dir}/lua`;
+    await fsp.mkdir(luaDir, {recursive: true});
+
+    const luaScripts = [
+      'utf8_filenames.lua', 
+      'url.lua', 
+      'polyfill.lua', 
+      'markdown.lua',
+      'markdown+hugo.lua'
+    ];
+    for (const luaScript of luaScripts) {
+      const luaFile = `${luaDir}/${luaScript}`;
+      if (fs.existsSync(luaScript)) {
+        continue;
+      }
+      await this.download(
+        `https://cdn.jsdelivr.net/gh/mokeyish/obsidian-enhancing-export@master/lua/${luaScript}`,
+        luaFile
+      );
+      console.log(`下载成功=${luaScript}`);
+    }
+  }
+
+  download(url: string, dest: string): Promise<void> {
+    return new Promise<void>((resolve) => {
+      https.get(url, (res) => {
+        const writeStream = fs.createWriteStream(dest);
+        res.pipe(writeStream);
+        writeStream.on('finish', () => {
+          writeStream.close();
+          resolve();
+        });
+      });
+    });
+  }
 }
 
 
@@ -61,3 +101,4 @@ export default class UniversalExportPlugin extends Plugin {
 
 
 
+