Which gatsby-source plugin to use with a Rails api using graphql gem












0















I'm building a Rails API using the gem 'graphql' and want to access this GraphQL API using a Gatsby.js front-end. I've attempted to use gatsby-source-apiserver plugin and gatsby-source-graphql, but neither of them seem to work. (The API works fine when I do queries using the GraphiQL app on my local machine.)



Is there a better Gatsby.js source plugin what will work well with a Rails API using the gem 'graphql', which provides a single endpoint, http://localhost:3000/graphql? And if so, how should I configure that plugin in gatsby-config.js, etc? (BTW, I'm using a Postgres database which I intend to deploy to Heroku -- I'd thought about pursuing hasura, but I'm not sure if that's the best option.)



In the Rails API in routes.rb, I've set up post "/graphql", to: "graphql#execute" to route to GraphqlController. Here is the execute method in the Controller...



def execute
variables = ensure_hash(params[:variables])
query = params[:query]
operation_name = params[:operationName]
context = {
# Query context goes here, for example:
# current_user: current_user,
}
result = GraphqlRailsSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
render json: result
rescue => e
raise e unless Rails.env.development?
handle_error_in_development e
end


When I attempt to render the json: result, result is: #<GraphQL::Query::Result @query=... @to_h={"errors"=>[{"message"=>"No query string was present"}]}> for either of the front-end set-ups I cite below....



In my Gatsby.js front-end, when I use gatsby-source-apiserver, in gatsby-config.js, I have...



{
resolve: 'gatsby-source-apiserver',
options: {
typePrefix: 'internal__',
url: `http://localhost:3000/graphql`,
method: 'post',
headers: {
'Content-Type': 'application/json'
},
data: {

},
name: `posts`,
entityLevel: `data.posts`,
payloadKey: `body`,
}
},


...and I get his error in my console when I run gatsby develop...



TypeError: Cannot read property 'data' of undefined



And, when I use gatsby-source-graphql, I have this in gatsby-config.js...



{
resolve: "gatsby-source-graphql",
options: {
// This type will contain remote schema Query type
typeName: "Authors",
// This is field under which it's accessible
fieldName: "authors",
// Url to query from
url: "http://localhost:3000/graphql",
},
},


...and I get his error in my console when I run gatsby develop...



Error: Cannot find module 'gatsby/graphql'



As you can see, I'm confused about how to connect the schemas between the front-end and the back-end here. Any help on this would be much appreciated!










share|improve this question





























    0















    I'm building a Rails API using the gem 'graphql' and want to access this GraphQL API using a Gatsby.js front-end. I've attempted to use gatsby-source-apiserver plugin and gatsby-source-graphql, but neither of them seem to work. (The API works fine when I do queries using the GraphiQL app on my local machine.)



    Is there a better Gatsby.js source plugin what will work well with a Rails API using the gem 'graphql', which provides a single endpoint, http://localhost:3000/graphql? And if so, how should I configure that plugin in gatsby-config.js, etc? (BTW, I'm using a Postgres database which I intend to deploy to Heroku -- I'd thought about pursuing hasura, but I'm not sure if that's the best option.)



    In the Rails API in routes.rb, I've set up post "/graphql", to: "graphql#execute" to route to GraphqlController. Here is the execute method in the Controller...



    def execute
    variables = ensure_hash(params[:variables])
    query = params[:query]
    operation_name = params[:operationName]
    context = {
    # Query context goes here, for example:
    # current_user: current_user,
    }
    result = GraphqlRailsSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
    render json: result
    rescue => e
    raise e unless Rails.env.development?
    handle_error_in_development e
    end


    When I attempt to render the json: result, result is: #<GraphQL::Query::Result @query=... @to_h={"errors"=>[{"message"=>"No query string was present"}]}> for either of the front-end set-ups I cite below....



    In my Gatsby.js front-end, when I use gatsby-source-apiserver, in gatsby-config.js, I have...



    {
    resolve: 'gatsby-source-apiserver',
    options: {
    typePrefix: 'internal__',
    url: `http://localhost:3000/graphql`,
    method: 'post',
    headers: {
    'Content-Type': 'application/json'
    },
    data: {

    },
    name: `posts`,
    entityLevel: `data.posts`,
    payloadKey: `body`,
    }
    },


    ...and I get his error in my console when I run gatsby develop...



    TypeError: Cannot read property 'data' of undefined



    And, when I use gatsby-source-graphql, I have this in gatsby-config.js...



    {
    resolve: "gatsby-source-graphql",
    options: {
    // This type will contain remote schema Query type
    typeName: "Authors",
    // This is field under which it's accessible
    fieldName: "authors",
    // Url to query from
    url: "http://localhost:3000/graphql",
    },
    },


    ...and I get his error in my console when I run gatsby develop...



    Error: Cannot find module 'gatsby/graphql'



    As you can see, I'm confused about how to connect the schemas between the front-end and the back-end here. Any help on this would be much appreciated!










    share|improve this question



























      0












      0








      0








      I'm building a Rails API using the gem 'graphql' and want to access this GraphQL API using a Gatsby.js front-end. I've attempted to use gatsby-source-apiserver plugin and gatsby-source-graphql, but neither of them seem to work. (The API works fine when I do queries using the GraphiQL app on my local machine.)



      Is there a better Gatsby.js source plugin what will work well with a Rails API using the gem 'graphql', which provides a single endpoint, http://localhost:3000/graphql? And if so, how should I configure that plugin in gatsby-config.js, etc? (BTW, I'm using a Postgres database which I intend to deploy to Heroku -- I'd thought about pursuing hasura, but I'm not sure if that's the best option.)



      In the Rails API in routes.rb, I've set up post "/graphql", to: "graphql#execute" to route to GraphqlController. Here is the execute method in the Controller...



      def execute
      variables = ensure_hash(params[:variables])
      query = params[:query]
      operation_name = params[:operationName]
      context = {
      # Query context goes here, for example:
      # current_user: current_user,
      }
      result = GraphqlRailsSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
      render json: result
      rescue => e
      raise e unless Rails.env.development?
      handle_error_in_development e
      end


      When I attempt to render the json: result, result is: #<GraphQL::Query::Result @query=... @to_h={"errors"=>[{"message"=>"No query string was present"}]}> for either of the front-end set-ups I cite below....



      In my Gatsby.js front-end, when I use gatsby-source-apiserver, in gatsby-config.js, I have...



      {
      resolve: 'gatsby-source-apiserver',
      options: {
      typePrefix: 'internal__',
      url: `http://localhost:3000/graphql`,
      method: 'post',
      headers: {
      'Content-Type': 'application/json'
      },
      data: {

      },
      name: `posts`,
      entityLevel: `data.posts`,
      payloadKey: `body`,
      }
      },


      ...and I get his error in my console when I run gatsby develop...



      TypeError: Cannot read property 'data' of undefined



      And, when I use gatsby-source-graphql, I have this in gatsby-config.js...



      {
      resolve: "gatsby-source-graphql",
      options: {
      // This type will contain remote schema Query type
      typeName: "Authors",
      // This is field under which it's accessible
      fieldName: "authors",
      // Url to query from
      url: "http://localhost:3000/graphql",
      },
      },


      ...and I get his error in my console when I run gatsby develop...



      Error: Cannot find module 'gatsby/graphql'



      As you can see, I'm confused about how to connect the schemas between the front-end and the back-end here. Any help on this would be much appreciated!










      share|improve this question
















      I'm building a Rails API using the gem 'graphql' and want to access this GraphQL API using a Gatsby.js front-end. I've attempted to use gatsby-source-apiserver plugin and gatsby-source-graphql, but neither of them seem to work. (The API works fine when I do queries using the GraphiQL app on my local machine.)



      Is there a better Gatsby.js source plugin what will work well with a Rails API using the gem 'graphql', which provides a single endpoint, http://localhost:3000/graphql? And if so, how should I configure that plugin in gatsby-config.js, etc? (BTW, I'm using a Postgres database which I intend to deploy to Heroku -- I'd thought about pursuing hasura, but I'm not sure if that's the best option.)



      In the Rails API in routes.rb, I've set up post "/graphql", to: "graphql#execute" to route to GraphqlController. Here is the execute method in the Controller...



      def execute
      variables = ensure_hash(params[:variables])
      query = params[:query]
      operation_name = params[:operationName]
      context = {
      # Query context goes here, for example:
      # current_user: current_user,
      }
      result = GraphqlRailsSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
      render json: result
      rescue => e
      raise e unless Rails.env.development?
      handle_error_in_development e
      end


      When I attempt to render the json: result, result is: #<GraphQL::Query::Result @query=... @to_h={"errors"=>[{"message"=>"No query string was present"}]}> for either of the front-end set-ups I cite below....



      In my Gatsby.js front-end, when I use gatsby-source-apiserver, in gatsby-config.js, I have...



      {
      resolve: 'gatsby-source-apiserver',
      options: {
      typePrefix: 'internal__',
      url: `http://localhost:3000/graphql`,
      method: 'post',
      headers: {
      'Content-Type': 'application/json'
      },
      data: {

      },
      name: `posts`,
      entityLevel: `data.posts`,
      payloadKey: `body`,
      }
      },


      ...and I get his error in my console when I run gatsby develop...



      TypeError: Cannot read property 'data' of undefined



      And, when I use gatsby-source-graphql, I have this in gatsby-config.js...



      {
      resolve: "gatsby-source-graphql",
      options: {
      // This type will contain remote schema Query type
      typeName: "Authors",
      // This is field under which it's accessible
      fieldName: "authors",
      // Url to query from
      url: "http://localhost:3000/graphql",
      },
      },


      ...and I get his error in my console when I run gatsby develop...



      Error: Cannot find module 'gatsby/graphql'



      As you can see, I'm confused about how to connect the schemas between the front-end and the back-end here. Any help on this would be much appreciated!







      ruby-on-rails postgresql heroku graphql gatsby






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      share|improve this question




      share|improve this question








      edited Nov 20 '18 at 9:47







      Matt

















      asked Nov 20 '18 at 9:41









      MattMatt

      1721214




      1721214
























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