test/node_smoke_tests/lib/ensure_jquery.js

"use strict";

const assert = require( "assert" );

// Check if the object we got is the jQuery object by invoking a basic API.
const ensureJQuery = ( jQuery ) => {
	assert( /^jQuery/.test( jQuery.expando ),
		"jQuery.expando was not detected, the jQuery bootstrap process has failed" );
};

module.exports = ensureJQuery;