feat: playground add submenu

src/utils/pptx-reader.ts

@@ -0,0 +1,40 @@
+import JSZip from 'jszip';
+
+const readPptxContent = (file: File): Promise<string> => {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = function (e: any) {
+      const arrayBuffer = e.target.result;
+      JSZip.loadAsync(arrayBuffer).then(function (zip: any) {
+        const slideFiles = Object.keys(zip.files).filter(function (fileName) {
+          return (
+            fileName.startsWith('ppt/slides/slide') && fileName.endsWith('.xml')
+          );
+        });
+
+        let slideText = '';
+        const slidePromises = slideFiles.map((slideFile) =>
+          zip
+            .file(slideFile)
+            .async('string')
+            .then(function (content: any) {
+              const parser = new DOMParser();
+              const xmlDoc = parser.parseFromString(content, 'application/xml');
+              const texts = xmlDoc.getElementsByTagName('a:t');
+              for (let i = 0; i < texts.length; i++) {
+                slideText += texts[i].textContent + '\n';
+              }
+            })
+        );
+
+        Promise.all(slidePromises).then(() => {
+          resolve(slideText);
+        });
+      });
+    };
+    reader.onerror = (error) => reject(error);
+    reader.readAsArrayBuffer(file);
+  });
+};
+
+export default readPptxContent;