rtk-query-graphql-fetch

@rtk-query/graphql-fetch

Provides the facility to make requests to a graphql server

---

Installation

npm install @rtk-query/graphql-fetch
yarn add @rtk-query/graphql-fetch

Features

• Integration with rtk-query to be able to make mutations and queries towards a graphql server

Options

• Basic fetch

A list of available properties can be found below. These must be passed to the containing graphqlFetch method.

Property	Type	Description
url	string	server url.
prepareHeaders	function	return two functions, one on each parameter; 1- setHeaders, 2- setHeader

Example

import { createApi } from "@reduxjs/toolkit/query/react";
import { graphqlFetch } from "@rtk-query/graphql-fetch";
import gql from "graphql-tag";

interface IFruits {
  id: number;
  fruit_name: string;
}

interface IData {
  data: { filterFruitsFam: IFruits[] };
}

const FILTER_FRUITS_FAM = gql`
  query FilterFruitsFam($family: String) {
    filterFruitsFam(family: $family) {
      id
      scientific_name
      tree_name
      fruit_name
      family
      origin
      description
      bloom
      maturation_fruit
      life_cycle
      climatic_zone
    }
  }
`;

const fruitApi = createApi({
  reducerPath: "fruitApi",
  baseQuery: graphqlFetch({
    url: "https://fruits-api.netlify.app/graphql",
    prepareHeaders: (setHeaders, setHeader) => {
      // replace all headers with this new object
      setHeaders({
        authToken: "tokenValue",
      });

      // you add a header and this is concatenated with the other existing headers
      setHeader("authToken", "tokenValue");
    },
  }),
  endpoints: (builder) => ({
    filterFruitsFam: builder.query<IData, { family: string }>({
      query: (variables) => ({
        document: FILTER_FRUITS_FAM,
        variables,
      }),
    }),
  }),
});

const { useFilterFruitsFamQuery } = fruitApi;

export default function Test() {
  let content;

  const { data, isLoading } = useFilterFruitsFamQuery({ family: "Rosaceae" });

  if (isLoading) content = <div>Loading...</div>;
  if (data) {
    content = (
      <div>
        {data.data.filterFruitsFam.map((fruit) => (
          <div key={fruit.id}>
            <p> {fruit.id}</p>
            <p> {fruit.fruit_name}</p>
          </div>
        ))}
      </div>
    );
  }

  return <>{content}</>;
}