gleamql

Simple Graphql Client Written In Gleam ✨

Installation

import gleamql
import gleam/json.{string}
import gleam/dynamic.{field}

pub type Data {
  Data(country: Country)
}

pub type Country {
  Country(name: String)
}

pub fn main() {
  assert Ok(resp) =
    gleamql.new()
    |> gleamql.set_query(
      "query CountryQuery($code: ID!) {
  country(code: $code) {
    name
  }
}",
    )
    |> gleamql.set_variable("code", string("GB"))
    |> gleamql.set_host("countries.trevorblades.com")
    |> gleamql.set_path("/graphql")
    |> gleamql.set_header("Content-Type", "application/json")
    |> gleamql.send()

  assert Ok(data) =
    dynamic.decode1(
      Data,
      field(
        "country",
        of: fn(country) {
          dynamic.decode1(Country, field("name", of: dynamic.string))(country)
        },
      ),
    )(
      resp,
    )

  assert "United Kingdom" = data.country.name
}

Installation

If available on Hex this package can be added to your Gleam project:

gleam add gleamql

and its documentation can be found at https://hexdocs.pm/gleamql.