Remove third party dependencies from go.mod and go.sum

Closes #297

Author: nhooyr

README.md

@@ -39,9 +39,9 @@ go get nhooyr.io/websocket
 ## Examples
 
 For a production quality example that demonstrates the complete API, see the
-[echo example](./examples/echo).
+[echo example](./internal/examples/echo).
 
-For a full stack example, see the [chat example](./examples/chat).
+For a full stack example, see the [chat example](./internal/examples/chat).
 
 ### Server
 

ci/lint.sh

@@ -12,3 +12,26 @@ GOOS=js GOARCH=wasm golint -set_exit_status ./...
 go install honnef.co/go/tools/cmd/staticcheck@latest
 staticcheck ./...
 GOOS=js GOARCH=wasm staticcheck ./...
+
+govulncheck() {
+	tmpf=$(mktemp)
+	if ! command govulncheck "$@" >"$tmpf" 2>&1; then
+		cat "$tmpf"
+	fi
+}
+go install golang.org/x/vuln/cmd/govulncheck@latest
+govulncheck ./...
+GOOS=js GOARCH=wasm govulncheck ./...
+
+(
+  cd ./internal/examples
+  go vet ./...
+  staticcheck ./...
+  govulncheck ./...
+)
+(
+  cd ./internal/thirdparty
+  go vet ./...
+  staticcheck ./...
+  govulncheck ./...
+)

ci/test.sh

@@ -12,3 +12,12 @@ sed -i.bak '/examples/d' ci/out/coverage.prof
 go tool cover -func ci/out/coverage.prof | tail -n1
 
 go tool cover -html=ci/out/coverage.prof -o=ci/out/coverage.html
+
+(
+  cd ./internal/examples
+  go test "$@" ./...
+)
+(
+  cd ./internal/thirdparty
+  go test "$@" ./...
+)

conn_test.go

@@ -1,11 +1,11 @@
 //go:build !js
-// +build !js
 
 package websocket_test
 
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -16,8 +16,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/gin-gonic/gin"
-
 	"nhooyr.io/websocket"
 	"nhooyr.io/websocket/internal/errd"
 	"nhooyr.io/websocket/internal/test/assert"
@@ -140,7 +138,9 @@ func TestConn(t *testing.T) {
 		defer cancel()
 
 		err = c1.Write(ctx, websocket.MessageText, []byte("x"))
-		assert.Equal(t, "write error", context.DeadlineExceeded, err)
+		if !errors.Is(err, context.DeadlineExceeded) {
+			t.Fatalf("unexpected error: %#v", err)
+		}
 	})
 
 	t.Run("netConn", func(t *testing.T) {
@@ -482,37 +482,3 @@ func echoServer(w http.ResponseWriter, r *http.Request, opts *websocket.AcceptOp
 	err = wstest.EchoLoop(r.Context(), c)
 	return assertCloseStatus(websocket.StatusNormalClosure, err)
 }
-
-func TestGin(t *testing.T) {
-	t.Parallel()
-
-	gin.SetMode(gin.ReleaseMode)
-	r := gin.New()
-	r.GET("/", func(ginCtx *gin.Context) {
-		err := echoServer(ginCtx.Writer, ginCtx.Request, nil)
-		if err != nil {
-			t.Error(err)
-		}
-	})
-
-	s := httptest.NewServer(r)
-	defer s.Close()
-
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
-	defer cancel()
-
-	c, _, err := websocket.Dial(ctx, s.URL, nil)
-	assert.Success(t, err)
-	defer c.Close(websocket.StatusInternalError, "")
-
-	err = wsjson.Write(ctx, c, "hello")
-	assert.Success(t, err)
-
-	var v interface{}
-	err = wsjson.Read(ctx, c, &v)
-	assert.Success(t, err)
-	assert.Equal(t, "read msg", "hello", v)
-
-	err = c.Close(websocket.StatusNormalClosure, "")
-	assert.Success(t, err)
-}

frame_test.go

@@ -12,10 +12,6 @@ import (
 	"strconv"
 	"testing"
 	"time"
-	_ "unsafe"
-
-	"github.com/gobwas/ws"
-	_ "github.com/gorilla/websocket"
 
 	"nhooyr.io/websocket/internal/test/assert"
 )
@@ -109,87 +105,3 @@ func Test_mask(t *testing.T) {
 	expKey32 := bits.RotateLeft32(key32, -8)
 	assert.Equal(t, "key32", expKey32, gotKey32)
 }
-
-func basicMask(maskKey [4]byte, pos int, b []byte) int {
-	for i := range b {
-		b[i] ^= maskKey[pos&3]
-		pos++
-	}
-	return pos & 3
-}
-
-//go:linkname gorillaMaskBytes github.com/gorilla/websocket.maskBytes
-func gorillaMaskBytes(key [4]byte, pos int, b []byte) int
-
-func Benchmark_mask(b *testing.B) {
-	sizes := []int{
-		2,
-		3,
-		4,
-		8,
-		16,
-		32,
-		128,
-		512,
-		4096,
-		16384,
-	}
-
-	fns := []struct {
-		name string
-		fn   func(b *testing.B, key [4]byte, p []byte)
-	}{
-		{
-			name: "basic",
-			fn: func(b *testing.B, key [4]byte, p []byte) {
-				for i := 0; i < b.N; i++ {
-					basicMask(key, 0, p)
-				}
-			},
-		},
-
-		{
-			name: "nhooyr",
-			fn: func(b *testing.B, key [4]byte, p []byte) {
-				key32 := binary.LittleEndian.Uint32(key[:])
-				b.ResetTimer()
-
-				for i := 0; i < b.N; i++ {
-					mask(key32, p)
-				}
-			},
-		},
-		{
-			name: "gorilla",
-			fn: func(b *testing.B, key [4]byte, p []byte) {
-				for i := 0; i < b.N; i++ {
-					gorillaMaskBytes(key, 0, p)
-				}
-			},
-		},
-		{
-			name: "gobwas",
-			fn: func(b *testing.B, key [4]byte, p []byte) {
-				for i := 0; i < b.N; i++ {
-					ws.Cipher(p, key, 0)
-				}
-			},
-		},
-	}
-
-	key := [4]byte{1, 2, 3, 4}
-
-	for _, size := range sizes {
-		p := make([]byte, size)
-
-		b.Run(strconv.Itoa(size), func(b *testing.B) {
-			for _, fn := range fns {
-				b.Run(fn.name, func(b *testing.B) {
-					b.SetBytes(int64(size))
-
-					fn.fn(b, key, p)
-				})
-			}
-		})
-	}
-}

go.mod

@@ -1,40 +1,3 @@
 module nhooyr.io/websocket
 
 go 1.19
-
-require (
-	github.com/gin-gonic/gin v1.9.1
-	github.com/gobwas/ws v1.3.0
-	github.com/google/go-cmp v0.5.9
-	github.com/gorilla/websocket v1.5.0
-	golang.org/x/time v0.3.0
-)
-
-require (
-	github.com/bytedance/sonic v1.9.1 // indirect
-	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/go-playground/locales v0.14.1 // indirect
-	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.14.0 // indirect
-	github.com/gobwas/httphead v0.1.0 // indirect
-	github.com/gobwas/pool v0.2.1 // indirect
-	github.com/goccy/go-json v0.10.2 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
-	github.com/leodido/go-urn v1.2.4 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
-	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.11 // indirect
-	golang.org/x/arch v0.3.0 // indirect
-	golang.org/x/crypto v0.9.0 // indirect
-	golang.org/x/net v0.10.0 // indirect
-	golang.org/x/sys v0.8.0 // indirect
-	golang.org/x/text v0.9.0 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)

go.sum

@@ -1,95 +0,0 @@
-github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
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-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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