homework-js/js16-change/js/main.js

const getGQL = url => 
    (query, variables) =>
        fetch(url , {
            method: 'POST',
            headers: {
                "content-type": "application/json"
            },
            body: JSON.stringify({query, variables})
        }).then(res => res.json())

let gql = getGQL("http://shop-roles.asmer.fs.a-level.com.ua/graphql")

async function categoryById(id) {
    let query = `query CategoryFind($id:String) {
        CategoryFind(query:$id) {
            name goods {
            name
            price
            description
            images {url}
            }
        }
    }`
  
    let variables =  {"id": JSON.stringify([{ "_id": id }])}    //or {"id": "[{\"_id\":\"id\"}]"}
    
    let res = await gql(query, variables)
    console.log(res)
    return res 
}

categoryById("5dc458985df9d670df48cc47")

async function goodById(id) {
    let query = `query GoodFind($id:String) {
        GoodFind(query:$id) {
            categories {
                _id
                name
            }
            name
            price
            description
            createdAt
            images {url}
        }
    }`

    let variables =  {"id": JSON.stringify([{ "_id": id }])}    //or {"id": "[{\"_id\":\"id\"}]"}
      

    let res = await gql(query, variables)
    console.log(res)
    return res 
}

goodById("5e203b5456d8f720513e6cba")

async function goodFind() {
    let query = `query GoodFind($q:String) {
        GoodFind(query:$q) {
            categories {
                _id
                name
            }
            _id
            name
            price
            description
            createdAt
            images {url}
            
        }
    }`
  
    let variables =   {"q": JSON.stringify([{}])}    //or {"q": "[{}]"}
    
    let res = await gql(query, variables)
    console.log(res)
    return res 
}

goodFind()

async function categoryFind() {
    let query = `query CategoryFind($q:String) {
        CategoryFind(query:$q) {
            _id
            name
            createdAt
            goods {
                _id 
                name 
                price
                createdAt
            }
        }
    }`
  
    let variables =   {"q": JSON.stringify([{}])}    //or {"q": "[{}]"}
    
    let res = await gql(query, variables)
    console.log(res)
    return res 
}

categoryFind()