Preserve QExcell text wrapping

src/io/excellOffice.test.ts

@@ -133,6 +133,28 @@ describe("excellOffice OOXML helpers", () => {
     expect(stylesXml).toContain('<name val="Arial"/>');
   });
 
+  it("записывает перенос текста ячейки XLSX в styles.xml", async () => {
+    const blob = await exportXlsxBlob({
+      id: "workbook",
+      title: "Wrap.xlsx",
+      updatedAt: "2026-06-01T00:00:00.000Z",
+      activeSheet: "sheet-1",
+      sheets: [
+        {
+          id: "sheet-1",
+          name: "Sheet 1",
+          cells: { A1: "Long text" },
+          cellFormats: { A1: { wrapText: true } }
+        }
+      ]
+    });
+    const zip = await JSZip.loadAsync(await blob.arrayBuffer());
+    const stylesXml = await zip.file("xl/styles.xml")?.async("string");
+
+    expect(stylesXml).toContain('applyAlignment="1"');
+    expect(stylesXml).toContain('wrapText="1"');
+  });
+
   it("читает базовое форматирование ячеек XLSX из styles.xml и XML листа", () => {
     const styleTable = xlsxStylesXmlToCellFormatTable({
       styleSheet: {
@@ -148,7 +170,7 @@ describe("excellOffice OOXML helpers", () => {
         cellXfs: {
           xf: [
             { fontId: "0", fillId: "0" },
-            { fontId: "1", fillId: "2", numFmtId: "164", alignment: { horizontal: "center" } },
+            { fontId: "1", fillId: "2", numFmtId: "164", alignment: { horizontal: "center", wrapText: "1" } },
             { fontId: "0", fillId: "0", numFmtId: "14" }
           ]
         }
@@ -165,6 +187,7 @@ describe("excellOffice OOXML helpers", () => {
       textColor: "0F5FAE",
       fillColor: "FFF2CC",
       horizontalAlign: "center",
+      wrapText: true,
       numberFormat: "dd.mm.yyyy"
     });
     expect(styleTable[2]).toEqual({ numberFormat: "m/d/yy" });
@@ -193,6 +216,7 @@ describe("excellOffice OOXML helpers", () => {
         textColor: "0F5FAE",
         fillColor: "FFF2CC",
         horizontalAlign: "center",
+        wrapText: true,
         numberFormat: "dd.mm.yyyy"
       }
     });
@@ -394,7 +418,7 @@ describe("excellOffice OOXML helpers", () => {
           mergedCells: [{ start: "A1", end: "C1" }],
           hyperlinks: { A1: "https://example.com/budget" },
           cellFormats: {
-            A1: { bold: true, strike: true, fontSize: 14, fontFamily: "Arial", textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center" },
+            A1: { bold: true, strike: true, fontSize: 14, fontFamily: "Arial", textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center", wrapText: true },
             AC20: { underline: true },
             D20: { numberFormat: "dd.mm.yyyy" },
             E20: { numberFormat: "0%" }
@@ -428,7 +452,7 @@ describe("excellOffice OOXML helpers", () => {
     expect(imported.sheets[0].mergedCells).toEqual([{ start: "A1", end: "C1" }]);
     expect(imported.sheets[0].hyperlinks).toEqual({ A1: "https://example.com/budget" });
     expect(imported.sheets[0].cellFormats).toEqual({
-      A1: { bold: true, strike: true, fontSize: 14, fontFamily: "Arial", textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center" },
+      A1: { bold: true, strike: true, fontSize: 14, fontFamily: "Arial", textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center", wrapText: true },
       AC20: { underline: true },
       D20: { numberFormat: "dd.mm.yyyy" },
       E20: { numberFormat: "0%" }

src/io/excellOffice.ts

@@ -850,8 +850,16 @@ export function xlsxStylesXmlToCellFormatTable(stylesXml?: unknown): Array<CellF
     const fontFormat = fonts[numberAttribute(record.fontId)];
     const fillFormat = fills[numberAttribute(record.fillId)];
     const numberFormat = normalizedNumberFormat(numberFormats[numberAttribute(record.numFmtId)]);
-    const horizontalAlign = normalizedHorizontalAlign(String(childRecord(record, "alignment").horizontal || ""));
-    return normalizedCellFormat({ ...fontFormat, ...fillFormat, ...(horizontalAlign ? { horizontalAlign } : {}), ...(numberFormat ? { numberFormat } : {}) }) ?? undefined;
+    const alignment = childRecord(record, "alignment");
+    const horizontalAlign = normalizedHorizontalAlign(String(alignment.horizontal || ""));
+    const wrapText = booleanAttribute(alignment.wrapText);
+    return normalizedCellFormat({
+      ...fontFormat,
+      ...fillFormat,
+      ...(horizontalAlign ? { horizontalAlign } : {}),
+      ...(wrapText ? { wrapText: true } : {}),
+      ...(numberFormat ? { numberFormat } : {})
+    }) ?? undefined;
   });
 }
 
@@ -894,9 +902,15 @@ function buildStylesXml(styleRegistry = createCellStyleRegistry([])) {
 
     const applyFont = fontId > 0 ? ' applyFont="1"' : "";
     const applyFill = fillId > 0 ? ' applyFill="1"' : "";
-    const applyAlignment = format.horizontalAlign ? ' applyAlignment="1"' : "";
+    const applyAlignment = format.horizontalAlign || format.wrapText ? ' applyAlignment="1"' : "";
     const applyNumberFormat = numFmtId > 0 ? ' applyNumberFormat="1"' : "";
-    const alignmentXml = format.horizontalAlign ? `<alignment horizontal="${format.horizontalAlign}"/>` : "";
+    const alignmentAttributes = [
+      format.horizontalAlign ? `horizontal="${format.horizontalAlign}"` : "",
+      format.wrapText ? 'wrapText="1"' : ""
+    ]
+      .filter(Boolean)
+      .join(" ");
+    const alignmentXml = alignmentAttributes ? `<alignment ${alignmentAttributes}/>` : "";
     return `<xf numFmtId="${numFmtId}" fontId="${fontId}" fillId="${fillId}" borderId="0" xfId="0"${applyFont}${applyFill}${applyAlignment}${applyNumberFormat}>${alignmentXml}</xf>`;
   });
 
@@ -936,7 +950,7 @@ function cellFormatKey(format: CellFormat | undefined) {
     return "";
   }
 
-  return `${normalized.bold ? "1" : "0"}|${normalized.italics ? "1" : "0"}|${normalized.underline ? "1" : "0"}|${normalized.strike ? "1" : "0"}|${normalized.fontSize ?? ""}|${normalized.fontFamily ?? ""}|${normalized.textColor ?? ""}|${normalized.fillColor ?? ""}|${normalized.horizontalAlign ?? ""}|${normalized.numberFormat ?? ""}`;
+  return `${normalized.bold ? "1" : "0"}|${normalized.italics ? "1" : "0"}|${normalized.underline ? "1" : "0"}|${normalized.strike ? "1" : "0"}|${normalized.fontSize ?? ""}|${normalized.fontFamily ?? ""}|${normalized.textColor ?? ""}|${normalized.fillColor ?? ""}|${normalized.horizontalAlign ?? ""}|${normalized.wrapText ? "1" : "0"}|${normalized.numberFormat ?? ""}`;
 }
 
 function fontStyleKey(format: CellFormat) {
@@ -962,6 +976,7 @@ function normalizedCellFormat(format: CellFormat | undefined): CellFormat | null
     ...(textColor ? { textColor } : {}),
     ...(fillColor ? { fillColor } : {}),
     ...(horizontalAlign ? { horizontalAlign } : {}),
+    ...(format?.wrapText ? { wrapText: true } : {}),
     ...(numberFormat ? { numberFormat } : {})
   };
 
@@ -1034,6 +1049,11 @@ function normalizedHorizontalAlign(value?: string) {
   return normalized === "left" || normalized === "center" || normalized === "right" ? normalized : "";
 }
 
+function booleanAttribute(value: unknown) {
+  const normalized = String(value ?? "").trim().toLowerCase();
+  return normalized === "1" || normalized === "true";
+}
+
 function normalizedNumberFormat(value?: string) {
   const raw = value?.trim() ?? "";
   if (!raw || raw.toLowerCase() === "general") {