Preserve QExcell strikethrough formatting

src/io/excellOffice.test.ts

@@ -1,4 +1,5 @@
 import { describe, expect, it } from "vitest";
+import JSZip from "jszip";
 import {
   buildChartXml,
   buildCellXml,
@@ -77,7 +78,7 @@ describe("excellOffice OOXML helpers", () => {
   it("сохраняет базовое форматирование ячеек XLSX в XML листа", () => {
     const cellFormats = {
       A1: { bold: true, fontSize: 14, textColor: "0f5fae", fillColor: "fff2cc", horizontalAlign: "center" as const },
-      B2: { italics: true, underline: true },
+      B2: { italics: true, underline: true, strike: true },
       C3: { fillColor: "bad-color" }
     };
     const registry = createCellStyleRegistry([cellFormats]);
@@ -90,6 +91,27 @@ describe("excellOffice OOXML helpers", () => {
     expect(emptyCellXml).toContain('<c r="C3" s="1"/>');
   });
 
+  it("записывает зачеркивание ячейки XLSX в styles.xml", async () => {
+    const blob = await exportXlsxBlob({
+      id: "workbook",
+      title: "Strike.xlsx",
+      updatedAt: "2026-06-01T00:00:00.000Z",
+      activeSheet: "sheet-1",
+      sheets: [
+        {
+          id: "sheet-1",
+          name: "Sheet 1",
+          cells: { A1: "Deleted" },
+          cellFormats: { A1: { strike: true } }
+        }
+      ]
+    });
+    const zip = await JSZip.loadAsync(await blob.arrayBuffer());
+    const stylesXml = await zip.file("xl/styles.xml")?.async("string");
+
+    expect(stylesXml).toContain("<strike/>");
+  });
+
   it("читает базовое форматирование ячеек XLSX из styles.xml и XML листа", () => {
     const styleTable = xlsxStylesXmlToCellFormatTable({
       styleSheet: {
@@ -97,7 +119,7 @@ describe("excellOffice OOXML helpers", () => {
           numFmt: { numFmtId: "164", formatCode: "dd.mm.yyyy" }
         },
         fonts: {
-          font: [{}, { b: {}, i: {}, u: {}, sz: { val: "14" }, color: { rgb: "FF0F5FAE" } }]
+          font: [{}, { b: {}, i: {}, u: {}, strike: {}, sz: { val: "14" }, color: { rgb: "FF0F5FAE" } }]
         },
         fills: {
           fill: [{}, {}, { patternFill: { fgColor: { rgb: "FFFFF2CC" } } }]
@@ -116,6 +138,7 @@ describe("excellOffice OOXML helpers", () => {
       bold: true,
       italics: true,
       underline: true,
+      strike: true,
       fontSize: 14,
       textColor: "0F5FAE",
       fillColor: "FFF2CC",
@@ -142,6 +165,7 @@ describe("excellOffice OOXML helpers", () => {
         bold: true,
         italics: true,
         underline: true,
+        strike: true,
         fontSize: 14,
         textColor: "0F5FAE",
         fillColor: "FFF2CC",
@@ -347,7 +371,7 @@ describe("excellOffice OOXML helpers", () => {
           mergedCells: [{ start: "A1", end: "C1" }],
           hyperlinks: { A1: "https://example.com/budget" },
           cellFormats: {
-            A1: { bold: true, fontSize: 14, textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center" },
+            A1: { bold: true, strike: true, fontSize: 14, textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center" },
             AC20: { underline: true },
             D20: { numberFormat: "dd.mm.yyyy" },
             E20: { numberFormat: "0%" }
@@ -381,7 +405,7 @@ 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, fontSize: 14, textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center" },
+      A1: { bold: true, strike: true, fontSize: 14, textColor: "0F5FAE", fillColor: "FFF2CC", horizontalAlign: "center" },
       AC20: { underline: true },
       D20: { numberFormat: "dd.mm.yyyy" },
       E20: { numberFormat: "0%" }

src/io/excellOffice.ts

@@ -936,12 +936,12 @@ function cellFormatKey(format: CellFormat | undefined) {
     return "";
   }
 
-  return `${normalized.bold ? "1" : "0"}|${normalized.italics ? "1" : "0"}|${normalized.underline ? "1" : "0"}|${normalized.fontSize ?? ""}|${normalized.textColor ?? ""}|${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.textColor ?? ""}|${normalized.fillColor ?? ""}|${normalized.horizontalAlign ?? ""}|${normalized.numberFormat ?? ""}`;
 }
 
 function fontStyleKey(format: CellFormat) {
-  return format.bold || format.italics || format.underline || format.fontSize || format.textColor
-    ? `${format.bold ? "1" : "0"}|${format.italics ? "1" : "0"}|${format.underline ? "1" : "0"}|${format.fontSize ?? ""}|${format.textColor ?? ""}`
+  return format.bold || format.italics || format.underline || format.strike || format.fontSize || format.textColor
+    ? `${format.bold ? "1" : "0"}|${format.italics ? "1" : "0"}|${format.underline ? "1" : "0"}|${format.strike ? "1" : "0"}|${format.fontSize ?? ""}|${format.textColor ?? ""}`
     : "";
 }
 
@@ -955,6 +955,7 @@ function normalizedCellFormat(format: CellFormat | undefined): CellFormat | null
     ...(format?.bold ? { bold: true } : {}),
     ...(format?.italics ? { italics: true } : {}),
     ...(format?.underline ? { underline: true } : {}),
+    ...(format?.strike ? { strike: true } : {}),
     ...(fontSize ? { fontSize } : {}),
     ...(textColor ? { textColor } : {}),
     ...(fillColor ? { fillColor } : {}),
@@ -974,6 +975,7 @@ function fontXmlToCellFormat(font: unknown): CellFormat {
       bold: hasXmlElement(record, "b"),
       italics: hasXmlElement(record, "i"),
       underline: hasXmlElement(record, "u"),
+      strike: hasXmlElement(record, "strike"),
       ...(fontSize ? { fontSize } : {}),
       ...(textColor ? { textColor } : {})
     }) ?? {}
@@ -991,7 +993,7 @@ function baseFontXml() {
 }
 
 function formatFontXml(format: CellFormat) {
-  const flags = `${format.bold ? "<b/>" : ""}${format.italics ? "<i/>" : ""}${format.underline ? "<u/>" : ""}`;
+  const flags = `${format.bold ? "<b/>" : ""}${format.italics ? "<i/>" : ""}${format.underline ? "<u/>" : ""}${format.strike ? "<strike/>" : ""}`;
   const color = format.textColor ? `<color rgb="FF${format.textColor}"/>` : '<color theme="1"/>';
   return `<font>${flags}<sz val="${format.fontSize ?? 11}"/>${color}<name val="Calibri"/><family val="2"/></font>`;
 }