DataTables > Buttons > PDF > Show Image URLs

gk-dt-buttons-PDF-image-URLs.js

document.addEventListener('DOMContentLoaded', function() {
	wp.hooks.addFilter( 'gk.datatables.options', 'dt-custom-code', function ( options ) {
		options.buttons = options.buttons.map( button => {
			if ( 'pdf' === button.extend ) {
				const originalBodyFunction = button.exportOptions?.format?.body;

				button.exportOptions = button.exportOptions || {};

				button.exportOptions.format = button.exportOptions.format || {};

				button.exportOptions.format.body = function ( data, row, column, node ) {
				const output = originalBodyFunction ? originalBodyFunction( data, row, column, node ) : data;

				return jQuery( data ).find( 'img' ).attr( 'src' ) ?? output;
			};
		}
		return button;
		} );
	return options;
	});
});