feat: playground rerank

src/utils/index.ts

@@ -1,4 +1,7 @@
 import _ from 'lodash';
+import mammoth from 'mammoth';
+import XLSX from 'xlsx';
+
 export const isNotEmptyValue = (value: any) => {
   if (Array.isArray(value)) {
     return value.length > 0;
@@ -183,3 +186,45 @@ export function loadLanguageConfig(language: string) {
 
   return languageConfig;
 }
+
+export function readBlob(blob: Blob): Promise<string> {
+  return new Promise((resolve) => {
+    const reader = new FileReader();
+    reader.onload = function (e: any) {
+      resolve(e.target.result);
+    };
+    reader.readAsText(blob, 'utf-8');
+  });
+}
+
+export function readWordContent(file: File): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = function (e: any) {
+      const arrayBuffer = e.target.result;
+      mammoth
+        .extractRawText({ arrayBuffer })
+        .then((result) => {
+          resolve(result.value);
+        })
+        .catch((error) => reject(error));
+    };
+    reader.onerror = (error) => reject(error);
+    reader.readAsArrayBuffer(file);
+  });
+}
+
+export function readExcelContent(file: File): Promise<string> {
+  return new Promise((resolve, reject) => {
+    const reader = new FileReader();
+    reader.onload = function (e: any) {
+      const arrayBuffer = e.target.result;
+      const workbook = XLSX.read(arrayBuffer, { type: 'string' });
+      const ws = workbook.Sheets[workbook.SheetNames[0]]; // get the first worksheet
+      const data = XLSX.utils.sheet_to_json(ws);
+      resolve(JSON.stringify(data));
+    };
+    reader.onerror = (error) => reject(error);
+    reader.readAsArrayBuffer(file);
+  });
+}