use golang 1.21.1

.golangci.yml

@@ -10,7 +10,7 @@ run:
 
 issues:
   exclude-rules:
-    ## Add file patters to exclude linter
+    ## Add file patterns to exclude linter
     - path: grpc\/main\.go
       linters:
         - gomnd
@@ -132,16 +132,12 @@ linters-settings:
     simplify: true
   golint:
     min-confidence: 0.8
-  govet:
-    check-shadowing: true
   gomnd:
     settings:
       mnd:
         checks: argument,assign,operation,return
   lll:
     line-length: 120
-  maligned:
-    suggest-new: true
   misspell:
     locale: US
     ignore-words:

go.mod

@@ -6,9 +6,17 @@ require (
 	github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0
 	github.com/graphql-go/graphql v0.7.8
 	github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334
-	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.6.1
-	golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae // indirect
 	google.golang.org/grpc v1.27.0
 	google.golang.org/protobuf v1.21.0
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/net v0.0.0-20190311183353-d8887717615a // indirect
+	golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae // indirect
+	golang.org/x/text v0.3.0 // indirect
+	google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
+)

go.sum

@@ -25,8 +25,6 @@ github.com/graphql-go/graphql v0.7.8 h1:769CR/2JNAhLG9+aa8pfLkKdR0H+r5lsQqling5W
 github.com/graphql-go/graphql v0.7.8/go.mod h1:k6yrAYQaSP59DC5UVxbgxESlmVyojThKdORUqGDGmrI=
 github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 h1:VHgatEHNcBFEB7inlalqfNqw65aNkM1lGX2yt3NmbS8=
 github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334/go.mod h1:SK73tn/9oHe+/Y0h39VT4UCxmurVJkR5NA7kMEAOgSE=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=

protoc-gen-graphql/generator/generator.go

@@ -4,11 +4,11 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
+	"io"
 	"os"
 	"sort"
 
 	"go/format"
-	"io/ioutil"
 	"text/template"
 
 	// nolint: staticcheck
@@ -53,7 +53,7 @@ func New(files []*spec.File, args *spec.Params) *Generator {
 		}
 	}
 
-	w := ioutil.Discard
+	w := io.Discard
 	if args.Verbose {
 		w = os.Stderr
 	}
@@ -247,7 +247,7 @@ func (g *Generator) generateFile(file *spec.File, tmpl string, services []*spec.
 
 	out, err := format.Source(buf.Bytes())
 	if err != nil {
-		ioutil.WriteFile("/tmp/"+root.Name+".go", buf.Bytes(), 0o666) // nolint: gomnd,errcheck
+		os.WriteFile("/tmp/"+root.Name+".go", buf.Bytes(), 0o666) // nolint: gomnd,errcheck
 		return nil, err
 	}
 

runtime/request.go

@@ -4,7 +4,7 @@ import (
 	"errors"
 
 	"encoding/json"
-	"io/ioutil"
+	"io"
 	"net/http"
 
 	"github.com/iancoleman/strcase"
@@ -23,7 +23,7 @@ func parseRequest(r *http.Request) (*GraphqlRequest, error) {
 	// Get request body
 	switch r.Method {
 	case http.MethodPost:
-		buf, err := ioutil.ReadAll(r.Body)
+		buf, err := io.ReadAll(r.Body)
 		if err != nil {
 			return nil, errors.New("malformed request body, " + err.Error())
 		}