chore: establish learning module baseline

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

@@ -0,0 +1,50 @@
+#!/usr/bin/env tsx
+/**
+ * 测试 pptxtojson-pro（本库）：直接 import src 源码，无需打包。
+ * 用法: npx tsx scripts/transvert.ts <path-to.pptx> [output.json]
+ * 或:   pnpm run transvert:pro <path-to.pptx> [output.json]
+ */
+
+import { parseZip } from '../src/parser/ZipParser';
+import { buildPresentation } from '../src/model/Presentation';
+import { toPptxtojsonFormat } from '../src/adapter/toPptxtojson';
+import fs from 'fs';
+import path from 'path';
+
+const pptxPath = process.argv[2];
+const outputPath = process.argv[3];
+
+if (!pptxPath) {
+  console.error('用法: npx tsx scripts/transvert.ts <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);
+}
+
+async function main() {
+  const buf = fs.readFileSync(resolved);
+  const arrayBuffer = buf.buffer.slice(buf.byteOffset, buf.byteOffset + buf.byteLength);
+
+  const files = await parseZip(arrayBuffer);
+  const presentation = buildPresentation(files);
+  const json = await toPptxtojsonFormat(presentation, files, 'blob');
+
+  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);
+  }
+}
+
+main().catch((err) => {
+  console.error('解析失败:', err);
+  process.exit(1);
+});