Preserve QExcell sheet dimensions in XLSX

src/io/excellOffice.test.ts

@@ -4,6 +4,7 @@ import {
   buildChartXml,
   buildCellXml,
   buildAutoFilterXml,
+  buildColumnWidthsXml,
   buildHyperlinksXml,
   buildMergeCellsXml,
   buildSheetPrXml,
@@ -21,9 +22,11 @@ import {
   worksheetXmlToAutoFilter,
   worksheetXmlToCells,
   worksheetXmlToCellFormats,
+  worksheetXmlToColumnWidths,
   worksheetXmlToFrozenPane,
   worksheetXmlToHyperlinks,
   worksheetXmlToMergedCells,
+  worksheetXmlToRowHeights,
   worksheetXmlToTabColor,
   xlsxStylesXmlToCellFormatTable,
   xlsxThemeXmlToColors,
@@ -728,6 +731,61 @@ describe("excellOffice OOXML helpers", () => {
     expect(imported.sheets[0].tabColor).toBe("0F766E");
   });
 
+  it("читает и записывает размеры колонок и строк XLSX", async () => {
+    expect(
+      worksheetXmlToColumnWidths({
+        worksheet: {
+          cols: {
+            col: [
+              { min: "1", max: "2", width: "18.5" },
+              { min: "4", max: "4", width: "9.25" }
+            ]
+          }
+        }
+      })
+    ).toEqual({ A: 18.5, B: 18.5, D: 9.25 });
+    expect(
+      worksheetXmlToRowHeights({
+        worksheet: {
+          sheetData: {
+            row: [{ r: "1", ht: "24" }, { r: "4", ht: "30.5" }]
+          }
+        }
+      })
+    ).toEqual({ "1": 24, "4": 30.5 });
+    expect(buildColumnWidthsXml({ C: 9.25, A: 18.5, "1bad": 1 })).toBe(
+      '<cols><col min="1" max="1" width="18.5" customWidth="1"/><col min="3" max="3" width="9.25" customWidth="1"/></cols>'
+    );
+
+    const blob = await exportXlsxBlob({
+      id: "book-1",
+      title: "Sheet sizes.xlsx",
+      updatedAt: "2026-06-01T00:00:00.000Z",
+      activeSheet: "sheet-1",
+      sheets: [
+        {
+          id: "sheet-1",
+          name: "Sizes",
+          columnWidths: { A: 18.5, C: 9.25 },
+          rowHeights: { "1": 24, "4": 30.5 },
+          cells: { A1: "Header", C2: "Value" }
+        }
+      ]
+    });
+    const zip = await JSZip.loadAsync(await blob.arrayBuffer());
+    const sheetXml = (await zip.file("xl/worksheets/sheet1.xml")?.async("string")) ?? "";
+    const imported = await importXlsxFile(new File([blob], "Sheet sizes.xlsx", { type: blob.type }));
+
+    expect(sheetXml).toContain(
+      '<cols><col min="1" max="1" width="18.5" customWidth="1"/><col min="3" max="3" width="9.25" customWidth="1"/></cols>'
+    );
+    expect(sheetXml).toContain('<row r="1" ht="24" customHeight="1"><c r="A1" t="inlineStr"><is><t>Header</t></is></c></row>');
+    expect(sheetXml).toContain('<row r="4" ht="30.5" customHeight="1"/>');
+    expect(sheetXml.indexOf("<cols>")).toBeLessThan(sheetXml.indexOf("<sheetData>"));
+    expect(imported.sheets[0].columnWidths).toEqual({ A: 18.5, C: 9.25 });
+    expect(imported.sheets[0].rowHeights).toEqual({ "1": 24, "4": 30.5 });
+  });
+
   it("создает OOXML chart part для диаграммы XLSX", () => {
     const xml = buildChartXml(
       {