async function gql(url, query, variables={}) {
    try {
        let response = fetch(url, {
            method: 'POST',
            headers: {
                'content-type': 'application/json'
            },
            body: JSON.stringify({query, variables})
        })
        let data = (await response).json()
        return data
    } catch(e) {
        console.warn('Some error: ', e)
    }
}

//в консоль 
(async () => {
    console.log(await gql(`http://shop-roles.asmer.fs.a-level.com.ua/graphql`, `query cats{
      CategoryFind(query:"[{}]"){
        name goods{
          name
        }
      }
    }`))
})()