feat: no deps

.golangci.yml

@@ -4,6 +4,9 @@ issues:
   max-same-issues: 0
   uniq-by-line: true
 formatters:
+  exclusions:
+    paths:
+      - internal/uuid
   enable:
     - gofmt
     - goimports
@@ -117,6 +120,8 @@ linters:
       multi-func: false
   exclusions:
     generated: lax
+    paths:
+      - internal/uuid
     presets:
       - comments
       - common-false-positives

encoding.go

@@ -3,8 +3,9 @@ package typeid
 import (
 	"fmt"
 
-	"github.com/gofrs/uuid/v5"
 	"github.com/jackc/pgx/v5/pgtype"
+
+	"github.com/sumup/typeid/internal/uuid"
 )
 
 // idImplementation is a helper constraint asserting the existence of the typeID methods on the type.

generate.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"unsafe"
 
-	"github.com/gofrs/uuid/v5"
+	"github.com/sumup/typeid/internal/uuid"
 )
 
 // processor is an internal structure to handle different types of typedIDs, as they
@@ -17,7 +17,7 @@ type processor struct {
 	// b32Decode decode a UUID using the resp. base32 decoding.
 	b32Decode func(string) (uuid.UUID, error)
 	// Generates a new universal unique identifier.
-	generateUUID func() (uuid.UUID, error)
+	generateUUID func() uuid.UUID
 }
 
 func from[P Prefix](suffix string, p *processor) (typedID[P], error) {
@@ -37,23 +37,16 @@ func from[P Prefix](suffix string, p *processor) (typedID[P], error) {
 
 // generate generates
 func generate[P Prefix](p *processor) (typedID[P], error) {
-	var err error
-
-	if err = validatePrefix(getPrefix[P]()); err != nil {
+	if err := validatePrefix(getPrefix[P]()); err != nil {
 		return nilID[P](), err
 	}
 
-	tid := typedID[P]{}
-	tid.uuid, err = p.generateUUID()
-	if err != nil {
-		return nilID[P](), err
-	}
-	return tid, nil
+	return typedID[P]{uuid: p.generateUUID()}, nil
 }
 
 func nilID[P Prefix]() typedID[P] {
 	return typedID[P]{
-		uuid: uuid.Nil,
+		uuid: uuid.UUID{},
 	}
 }
 
@@ -78,11 +71,11 @@ func validatePrefix(prefix string) error {
 
 func decodeSuffix(suffix string, p *processor) (uuid.UUID, error) {
 	if len(suffix) != suffixStrLen {
-		return uuid.Nil, fmt.Errorf("invalid suffix: %s. Suffix length is %d, expected %d", suffix, len(suffix), suffixStrLen)
+		return uuid.UUID{}, fmt.Errorf("invalid suffix: %s. Suffix length is %d, expected %d", suffix, len(suffix), suffixStrLen)
 	}
 
 	if suffix[0] > '7' {
-		return uuid.Nil, fmt.Errorf("invalid suffix: '%s'. Suffix must start with a 0-7 digit to avoid overflows", suffix)
+		return uuid.UUID{}, fmt.Errorf("invalid suffix: '%s'. Suffix must start with a 0-7 digit to avoid overflows", suffix)
 	}
 
 	return p.b32Decode(suffix)

go.mod

@@ -2,7 +2,4 @@ module github.com/sumup/typeid
 
 go 1.25.0
 
-require (
-	github.com/gofrs/uuid/v5 v5.5.1
-	github.com/jackc/pgx/v5 v5.10.0
-)
+require github.com/jackc/pgx/v5 v5.11.0

go.sum

@@ -1,13 +1,11 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/gofrs/uuid/v5 v5.5.1 h1:z1Ce19/JwNidXpy3tOQc3241lnJLKdKyq/xlNvlD4Ng=
-github.com/gofrs/uuid/v5 v5.5.1/go.mod h1:bbAA98EoIlxyRHIVg6ektCSsZ5n8mSbwgEhvhMYlZgg=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
 github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
-github.com/jackc/pgx/v5 v5.10.0 h1:VhSvgU2jSli8o3AqIEOTJr7rZwAEUVo4E4XhR94Zfr0=
-github.com/jackc/pgx/v5 v5.10.0/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
+github.com/jackc/pgx/v5 v5.11.0 h1:IzBBtyK9AHqf98cctWFifYSci2hgQR/cd56wB4p+ogg=
+github.com/jackc/pgx/v5 v5.11.0/go.mod h1:mal1tBGAFfLHvZzaYh77YS/eC6IX9OWbRV1QIIM0Jn4=
 github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo=
 github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=

internal/uuid/LICENSE

@@ -0,0 +1,27 @@
+Copyright 2009 The Go Authors.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google LLC nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

internal/uuid/README.md

@@ -0,0 +1,13 @@
+# Vendored Go UUID implementation
+
+`uuid.go` is copied from Go **1.27.1**:
+
+- https://github.com/golang/go/blob/go1.27.1/src/uuid/uuid.go
+
+The BSD 3-Clause license is reproduced in `LICENSE`. The implementation is
+unchanged.
+Keep local compatibility code outside this directory so future updates can be
+compared directly with upstream.
+
+This copy allows typeid to keep supporting Go 1.25 without a UUID module
+dependency. It uses only APIs available in Go 1.25.