CORS error while using open ai completions

[khanakia]

trafficstars

fetchEventSource('https://api.openai.com/v1/chat/completions', {
    method: 'POST',
    headers: {
      Accept: 'text/event-stream',
      'Content-Type': 'application/json',
      Authorization: 'Bearer ' + process.env.NEXT_PUBLIC_OPENAI_KEY,
    },
    body: raw,
    signal: ctrl.signal,
    onopen(res) {
      console.log('onopen ', res);
    },

    onmessage(evt) {
      console.log('msg.data', evt.data);
      if (evt.data == '[DONE]') return;
    
    },

    onclose() {
      console.log('onclose - server error');
    },

    onerror(err) {
      console.log('onerror', err);
      throw err;
    },