Remove dependency github.com/pkg/errors

Author: stoewer

go.mod

@@ -6,7 +6,6 @@ toolchain go1.24.0
 
 require (
 	github.com/grafana/sobek v0.0.0-20250219104821-ed22af7a8d6c
-	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.10.0
 	go.k6.io/k6 v0.57.0
 	go.opentelemetry.io/collector/component v0.120.0

go.sum

@@ -117,8 +117,6 @@ github.com/onsi/gomega v1.33.0 h1:snPCflnZrpMsy94p4lXVEkHo12lmPnc3vY5XBbreexE=
 github.com/onsi/gomega v1.33.0/go.mod h1:+925n5YtiFsLzzafLUHzVMBpvvRAzrydIBiSIxjX3wY=
 github.com/pierrec/lz4/v4 v4.1.22 h1:cKFw6uJDK+/gfw5BcDL0JL5aBsAFdsIT18eRtLj7VIU=
 github.com/pierrec/lz4/v4 v4.1.22/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
-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/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

pkg/tracegen/templated.go

@@ -1,6 +1,7 @@
 package tracegen
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"net/url"
@@ -10,7 +11,6 @@ import (
 
 	"github.com/grafana/xk6-client-tracing/pkg/random"
 	"github.com/grafana/xk6-client-tracing/pkg/util"
-	"github.com/pkg/errors"
 	"go.opentelemetry.io/collector/pdata/pcommon"
 	"go.opentelemetry.io/collector/pdata/ptrace"
 )
@@ -134,7 +134,7 @@ func NewTemplatedGenerator(template *TraceTemplate) (*TemplatedGenerator, error)
 	gen := &TemplatedGenerator{}
 	err := gen.initialize(template)
 	if err != nil {
-		return nil, errors.Wrap(err, "fail to create new templated generator")
+		return nil, fmt.Errorf("fail to create new templated generator: %w", err)
 	}
 	return gen, nil
 }
@@ -559,7 +559,7 @@ func initializeSpanKind(parent *internalSpanTemplate, tmpl, child *SpanTemplate)
 	if k, found := tmpl.Attributes["span.kind"]; found {
 		kindStr, ok := k.(string)
 		if !ok {
-			return ptrace.SpanKindUnspecified, errors.Errorf("attribute %s expected to be a string, but was %T", "span.kind", k)
+			return ptrace.SpanKindUnspecified, fmt.Errorf("attribute span.kind expected to be a string, but was %T", k)
 		}
 		kind = spanKindFromString(kindStr)
 	} else {

tracing.go

@@ -3,11 +3,11 @@ package clienttracing
 import (
 	"context"
 	"encoding/base64"
+	"fmt"
 	"os"
 	"sync"
 
 	"github.com/grafana/sobek"
-	"github.com/pkg/errors"
 	"go.k6.io/k6/js/common"
 	"go.k6.io/k6/js/modules"
 	"go.opentelemetry.io/collector/component"
@@ -85,13 +85,13 @@ func (ct *TracingModule) newClient(g sobek.ConstructorCall, rt *sobek.Runtime) *
 	var cfg ClientConfig
 	err := rt.ExportTo(g.Argument(0), &cfg)
 	if err != nil {
-		common.Throw(rt, errors.Wrap(err, "unable to create client: constructor expects first argument to be ClientConfig"))
+		common.Throw(rt, fmt.Errorf("unable to create client: constructor expects first argument to be ClientConfig: %w", err))
 	}
 
 	if ct.client == nil {
 		ct.client, err = NewClient(&cfg, ct.vu)
 		if err != nil {
-			common.Throw(rt, errors.Wrap(err, "unable to create client"))
+			common.Throw(rt, fmt.Errorf("unable to create client: %w", err))
 		}
 	}
 
@@ -107,7 +107,7 @@ func (ct *TracingModule) newParameterizedGenerator(g sobek.ConstructorCall, rt *
 		var param []*tracegen.TraceParams
 		err := rt.ExportTo(paramVal, &param)
 		if err != nil {
-			common.Throw(rt, errors.Wrap(err, "the ParameterizedGenerator constructor expects first argument to be []TraceParams"))
+			common.Throw(rt, fmt.Errorf("the ParameterizedGenerator constructor expects first argument to be []TraceParams: %w", err))
 		}
 
 		generator = tracegen.NewParameterizedGenerator(param)
@@ -126,12 +126,12 @@ func (ct *TracingModule) newTemplatedGenerator(g sobek.ConstructorCall, rt *sobe
 		var tmpl tracegen.TraceTemplate
 		err := rt.ExportTo(tmplVal, &tmpl)
 		if err != nil {
-			common.Throw(rt, errors.Wrap(err, "the TemplatedGenerator constructor expects first argument to be TraceTemplate"))
+			common.Throw(rt, fmt.Errorf("the TemplatedGenerator constructor expects first argument to be TraceTemplate: %w", err))
 		}
 
 		generator, err = tracegen.NewTemplatedGenerator(&tmpl)
 		if err != nil {
-			common.Throw(rt, errors.Wrap(err, "unable to generate TemplatedGenerator"))
+			common.Throw(rt, fmt.Errorf("unable to generate TemplatedGenerator: %w", err))
 		}
 
 		ct.templatedGenerators[tmplObj] = generator
@@ -208,7 +208,7 @@ func NewClient(cfg *ClientConfig, vu modules.VU) (*Client, error) {
 			}, cfg.Headers),
 		}
 	default:
-		return nil, errors.Errorf("failed to init exporter: unknown exporter type %s", cfg.Exporter)
+		return nil, fmt.Errorf("failed to init exporter: unknown exporter type %s", cfg.Exporter)
 	}
 
 	exporter, err := factory.CreateTraces(
@@ -224,12 +224,12 @@ func NewClient(cfg *ClientConfig, vu modules.VU) (*Client, error) {
 		exporterCfg,
 	)
 	if err != nil {
-		return nil, errors.Wrap(err, "failed create exporter")
+		return nil, fmt.Errorf("failed create exporter: %w", err)
 	}
 
 	err = exporter.Start(vu.Context(), componenttest.NewNopHost())
 	if err != nil {
-		return nil, errors.Wrap(err, "failed to start exporter")
+		return nil, fmt.Errorf("failed to start exporter: %w", err)
 	}
 
 	return &Client{