chore: establish learning module baseline

OpenMAIC/packages/@openmaic/importer/scripts/transvert.js

@@ -0,0 +1,44 @@
+#!/usr/bin/env tsx
+/**
+ * 测试原版 pptxtojson（src1）：直接 import 源码，无需打包。
+ * 用法: node scripts/transvert.js <path-to.pptx> [output.json]
+ * 或:   pnpm run transvert <path-to.pptx> [output.json]
+ */
+
+import { parse } from '../src1/pptxtojson.js';
+import fs from 'fs';
+import path from 'path';
+
+const pptxPath = process.argv[2];
+const outputPath = process.argv[3];
+
+if (!pptxPath) {
+  console.error('用法: node scripts/transvert.js <path-to.pptx> [output.json]');
+  process.exit(1);
+}
+
+const resolved = path.resolve(process.cwd(), pptxPath);
+if (!fs.existsSync(resolved)) {
+  console.error('文件不存在:', resolved);
+  process.exit(1);
+}
+
+const buf = fs.readFileSync(resolved);
+const arrayBuffer = buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
+
+parse(arrayBuffer, { mediaMode: 'blob' })
+  .then((json) => {
+    const text = JSON.stringify(json, null, 2);
+
+    if (outputPath) {
+      const outResolved = path.resolve(process.cwd(), outputPath);
+      fs.writeFileSync(outResolved, text, 'utf-8');
+      console.log(`输出已写入: ${outResolved} (${(text.length / 1024).toFixed(1)} KB)`);
+    } else {
+      console.log(text);
+    }
+  })
+  .catch((err) => {
+    console.error('解析失败:', err.message);
+    process.exit(1);
+  });