- return unless page_startup_api_calls.present? = javascript_tag nonce: true do :plain var gl = window.gl || {}; gl.startup_calls = #{page_startup_api_calls.to_json}; if (gl.startup_calls && window.fetch) { Object.keys(gl.startup_calls).forEach(apiCall => { // fetch won’t send cookies in older browsers, unless you set the credentials init option. // We set to `same-origin` which is default value in modern browsers. // See https://github.com/whatwg/fetch/pull/585 for more information. gl.startup_calls[apiCall] = { fetchCall: fetch(apiCall, { credentials: 'same-origin' }) }; }); }