@mui/x-data-grid/node/models/gridColumnGrouping.js

The community edition of the data grid component (MUI X).

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isLeaf = isLeaf;

function isLeaf(node) {
  return node.field !== undefined;
}
/**
 * A function used to process headerClassName params.
 */