Preserve QExcell text wrapping

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") {