Merge pull request #574 from dljenkins/patch-1

Issue #488
exceljs · Jun 12, 2018 · ec0972a · ec0972a
2 parents 832c441 + 12d9236
commit ec0972a
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/lib/xlsx/xform/simple/date-xform.js b/lib/xlsx/xform/simple/date-xform.js
@@ -13,7 +13,13 @@ var DateXform = module.exports = function(options) {
   this.tag = options.tag;
   this.attr = options.attr;
   this.attrs = options.attrs;
-  this._format = options.format || function(dt) { return dt.toISOString(); };
+    this._format = options.format || function (dt) {
+    try {
+      return dt.toISOString();
+    } catch(e) {
+      return '';
+    }
+  };
   this._parse = options.parse || function(str) { return new Date(str); };
 };