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proto2graphql / 0.2.9-alpha

proto2graphql 0.2.9-alpha

Install from the command line:
Learn more about npm packages
$ npm install @bw-company/proto2graphql@0.2.9-alpha
Install via package.json:
"@bw-company/proto2graphql": "0.2.9-alpha"

About this version

proto2graphql

Converts schema definitions in Protocol Buffer (proto3) to GraphQL. Can be used to help generate a GraphQL API gateway to gRPC backend services.

Conversions

Messages

Protocol Buffer

message SearchRequest {
  string query = 1;
  int32 page_number = 2;
  int32 result_per_page = 3;
}

GraphQL

type SearchRequest {
  query: String
  pageNumber: Int
  resultPerPage: Int
}

Scalar Value Types

Protocol Buffer GraphQL
double Float
float Float
int32 Int
int64 Int
uint32 Int
uint64 Int
sint32 Int
sint64 Int
fixed32 Int
fixed64 Int
sfixed32 Int
sfixed64 Int
bool Boolean
string String
bytes String

Enumerations

Protocol Buffer

enum Corpus {
  UNIVERSAL = 0;
  WEB = 1;
  IMAGES = 2;
  LOCAL = 3;
  NEWS = 4;
  PRODUCTS = 5;
  VIDEO = 6;
}

GraphQL

enum Corpus {
  UNIVERSAL
  WEB
  IMAGES
  LOCAL
  NEWS
  PRODUCTS
  VIDEO
}

Nested Types

Protocol Buffer

message SearchResponse {
  message Result {
    string url = 1;
    string title = 2;
  }
  Result result = 1;
}

GraphQL

type SearchResponse {
  results: SearchResponse_Result
}

type SearchResponse_Result {
  url: String
  title: String
}

Oneof

Protocol Buffer

message UserAuth {
  message GoogleProvider {
    int32 gid = 1;
  }

  message FacebookProvider {
    string fbid = 1;
  }

  oneof provider {
    GoogleProvider google = 1;
    FacebookProvider facebook = 2;
    string generic = 3;
  }
}

GraphQL

type UserAuth {
  provider: UserAuth_provider
}

union UserAuth_provider =
    UserAuth_GoogleProvider
  | UserAuth_FacebookProvider
  | String

type UserAuth_GoogleProvider {
  gid: Int
}

type UserAuth_FacebookProvider {
  fbid: String
}

Maps

Protocol Buffer

message User {
  map<string, Attribute> attributes = 1;
}

message Attribute {
  string value = 1;
}

GraphQL

type User {
  attributes: [String_Attribute_map]
}

type String_Attribute_map {
  key: String
  value: Attribute
}

type Attribute {
  value: String
}

Packages

Protocol Buffer

package proto2graphql.common;

message TypeA {
  int32 field = 1;
}

GraphQL

type proto2graphql_common_TypeA {
  field: Int
}

Well-Known Types

Protocol Buffer

import "google/protobuf/duration.proto";
import "google/protobuf/timestamp.proto";

message WellKnownTypes {
  google.protobuf.Duration duration_field = 1;
  google.protobuf.Timestamp timestamp_field = 2;
}

GraphQL

type WellKnownTypes {
  durationField: google_protobuf_Duration
  timestampField: google_protobuf_Timestamp
}

type google_protobuf_Duration {
  seconds: Int
  nanos: Int
}

type google_protobuf_Timestamp {
  seconds: Int
  nanos: Int
}

Details

Assets

  • proto2graphql-0.2.9-alpha.tgz

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