update,

task1/source/mobile/tools/99_test.cjs

@@ -0,0 +1,57 @@
+const ExcelJS = require('exceljs');
+const workbook = new ExcelJS.Workbook();
+const fs = require('fs');
+
+const HEADER_ROW_INDEX = 1;
+const CATEGORY_COL_INDEX = 7;
+var output = [];
+var all_categories = [];
+var categories_found = [];
+
+(async () => {
+  await workbook.xlsx.readFile('lessons.xlsx');
+  let worksheets = workbook.worksheets;
+  for (const ws of worksheets) {
+    const header_row = ws.getRow(HEADER_ROW_INDEX);
+    const last_row = ws.lastRow;
+
+    for (let i = HEADER_ROW_INDEX + 1; i <= last_row._number; i++) {
+      if (categories_found.indexOf(ws.getRow(i).getCell(CATEGORY_COL_INDEX).value) === -1) {
+        categories_found.push(ws.getRow(i).getCell(CATEGORY_COL_INDEX).value);
+      }
+    }
+
+    for (const cat_name of categories_found) {
+      let words = [];
+      for (let i = HEADER_ROW_INDEX + 1; i <= last_row._number; i++) {
+        if (ws.getRow(i).getCell(CATEGORY_COL_INDEX).value === cat_name) {
+          let word = ws.getRow(i).getCell(1).value.trim();
+          let word_c = ws.getRow(i).getCell(2).value.trim();
+          let sample_e = ws.getRow(i).getCell(3).value.trim();
+          let sample_c = ws.getRow(i).getCell(4).value.trim();
+          let sound = `/data/Lesson/sounds/${ws.getRow(i).getCell(5).value}`;
+          let image = `/data/Lesson/images/${ws.getRow(i).getCell(6).value}`;
+
+          words.push({ word, word_c, sample_e, sample_c, sound, image });
+        }
+      }
+
+      let cat_image = `/data/Lesson/images/${cat_name.toLowerCase()}.jpg`;
+
+      all_categories.push({
+        //
+        cat_name,
+        cat_image,
+        content: words
+      });
+    }
+
+    output.push({
+      name: ws.name,
+      path: ws.name,
+      content: all_categories
+    });
+  }
+
+  fs.writeFileSync('output.json', JSON.stringify(output, null, 2));
+})();