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GraphqlApolloUploadClientParams

apollo-client v2 + rails (graphql-ruby) to upload files in mutation.

// if upload a file like this
this.props
  .mutate({
    variables: {
      file: uploadingFileObject
    }
  })
  .then();
# then the server receives params like this
# params[:operations] => json containing query and variables
# params[:map] => json containing uploaded file mapping data
# params["0"..] => number string key containing the actual file object ActionDispatch::Http::UploadedFile

class GraphqlController < ApplicationController

  def execute
    # this gem will try to convert the params to useful variables, query, operation_name
    converted_params = GraphqlApolloUploadClientParams.convert(params)
    variables = converted_params.variables
    query = converted_params.query
    operation_name = converted_params.operation_name

Installation

Add this line to your application's Gemfile:

gem 'graphql_apollo_upload_client_params', path: "clone this repo and point to your local path"

And then execute:

$ bundle

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/graphql_apollo_upload_client_params.