Extend exportFunction (csv) with the whole record

[leibnizman]

Hi,

while trying to use the exportCSV function I encountered an issue with the exportFunction. The current implementation of the exportFunction has the field and the cellData as a parameter. To export my table I need to have access to the whole record, because my data is nested in an array (cellData returns null and my exportFunction isn't called). I created a patch for primereact@6.2.1 to solve this issue.

Here is the diff that solved my problem:

diff --git a/node_modules/primereact/components/datatable/DataTable.js b/node_modules/primereact/components/datatable/DataTable.js
index e1d5b19..16ca131 100644
--- a/node_modules/primereact/components/datatable/DataTable.js
+++ b/node_modules/primereact/components/datatable/DataTable.js
@@ -1079,14 +1079,20 @@ var DataTable = /*#__PURE__*/function (_Component) {
             var cellData = _ObjectUtils.default.resolveFieldData(record, field);
 
             if (cellData != null) {
-              if (_this5.props.exportFunction) {
+                if (_this5.props.exportFunction) {
+                  cellData = _this5.props.exportFunction({
+                    data: cellData,
+                    field: field,
+                    record: record
+                  });
+                } else cellData = String(cellData).replace(/"/g, '""');
+              } else if (_this5.props.exportFunction) {
                 cellData = _this5.props.exportFunction({
-                  data: cellData,
-                  field: field
+                  data:  cellData,
+                  field: field,
+                  record: record
                 });
-              } else cellData = String(cellData).replace(/"/g, '""');
-            } else cellData = '';
-
+              } else cellData = '';  
             csv += '"' + cellData + '"';
 
             if (_i < columns.length - 1) {

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