release: 0.10.0

.github/workflows/ci.yml

@@ -26,14 +26,14 @@ jobs:
       github.repository == 'stainless-sdks/cas-parser-go' &&
       (github.event_name == 'push' || github.event.pull_request.head.repo.fork) && (github.event_name != 'push' || github.event.head_commit.message != 'codegen metadata')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Get GitHub OIDC Token
         if: |-
           github.repository == 'stainless-sdks/cas-parser-go' &&
           !startsWith(github.ref, 'refs/heads/stl/')
         id: github-oidc
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
@@ -53,10 +53,10 @@ jobs:
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Setup go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
         with:
           go-version-file: ./go.mod
 
@@ -68,10 +68,10 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/cas-parser-go' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Setup go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@40f1582b2485089dde7abd97c1529aa768e1baff # v5.6.0
         with:
           go-version-file: ./go.mod
 

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.9.0"
+  ".": "0.10.0"
 }

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 21
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cas-parser/cas-parser-e572d88c2af6e4d7bc4f7e119357fd3f68b1e67d612fd1d3a657d916cde0087c.yml
-openapi_spec_hash: a9fc7d947111bffa9184f8ca8be4a579
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cas-parser/cas-parser-904e3aa8081755d046016db9d84d13d140a4235c724e18e1cd7f8ebb7712883e.yml
+openapi_spec_hash: 453b8e667c364b064e04352ad4deccfa
 config_hash: 5509bb7a961ae2e79114b24c381606d4

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.10.0 (2026-05-18)
+
+Full Changelog: [v0.9.0...v0.10.0](https://github.com/CASParser/cas-parser-go/compare/v0.9.0...v0.10.0)
+
+### Features
+
+* **client:** optimize json encoder for internal types ([c4d3d55](https://github.com/CASParser/cas-parser-go/commit/c4d3d55d4d7111a3dd9eb5775be3d65f838a809c))
+
 ## 0.9.0 (2026-05-08)
 
 Full Changelog: [v0.8.0...v0.9.0](https://github.com/CASParser/cas-parser-go/compare/v0.8.0...v0.9.0)

README.md

@@ -37,7 +37,7 @@ Or to pin the version:
 <!-- x-release-please-start-version -->
 
 ```sh
-go get -u 'github.com/CASParser/cas-parser-go@v0.9.0'
+go get -u 'github.com/CASParser/cas-parser-go@v0.10.0'
 ```
 
 <!-- x-release-please-end -->

internal/encoding/json/encode.go

@@ -173,15 +173,21 @@ import (
 // JSON cannot represent cyclic data structures and Marshal does not
 // handle them. Passing cyclic structures to Marshal will result in
 // an error.
-func Marshal(v any) ([]byte, error) {
+// EDIT(begin): add optimization options
+func Marshal(v any, opts ...Option) ([]byte, error) {
+	// EDIT(end): add optimization options
 	e := newEncodeState()
 	defer encodeStatePool.Put(e)
 
-	// SHIM(begin): don't escape HTML by default
-	err := e.marshal(v, encOpts{escapeHTML: shims.EscapeHTMLByDefault})
+	// EDIT(begin): don't escape HTML by default, and apply options
+	encOpts := encOpts{escapeHTML: shims.EscapeHTMLByDefault}
+	if opts != nil {
+		encOpts = encOpts.apply(opts...)
+	}
+	err := e.marshal(v, encOpts)
 	// ORIGINAL:
 	//  err := e.marshal(v, encOpts{escapeHTML: true})
-	// SHIM(end)
+	// EDIT(end)
 	if err != nil {
 		return nil, err
 	}
@@ -352,6 +358,9 @@ type encOpts struct {
 	// EDIT(begin): save the timefmt
 	timefmt string
 	// EDIT(end)
+	// EDIT(begin): add optimization to skip compaction
+	skipCompaction bool
+	// EDIT(end)
 }
 
 type encoderFunc func(e *encodeState, v reflect.Value, opts encOpts)
@@ -483,7 +492,7 @@ func marshalerEncoder(e *encodeState, v reflect.Value, opts encOpts) {
 	if err == nil {
 		e.Grow(len(b))
 		out := e.AvailableBuffer()
-		out, err = appendCompact(out, b, opts.escapeHTML)
+		out, err = appendCompact(out, b, opts)
 		e.Buffer.Write(out)
 	}
 	if err != nil {
@@ -509,7 +518,7 @@ func addrMarshalerEncoder(e *encodeState, v reflect.Value, opts encOpts) {
 	if err == nil {
 		e.Grow(len(b))
 		out := e.AvailableBuffer()
-		out, err = appendCompact(out, b, opts.escapeHTML)
+		out, err = appendCompact(out, b, opts)
 		e.Buffer.Write(out)
 	}
 	if err != nil {

internal/encoding/json/indent.go

@@ -4,7 +4,9 @@
 
 package json
 
-import "bytes"
+import (
+	"bytes"
+)
 
 // HTMLEscape appends to dst the JSON-encoded src with <, >, &, U+2028 and U+2029
 // characters inside string literals changed to \u003c, \u003e, \u0026, \u2028, \u2029
@@ -41,12 +43,21 @@ func appendHTMLEscape(dst, src []byte) []byte {
 func Compact(dst *bytes.Buffer, src []byte) error {
 	dst.Grow(len(src))
 	b := dst.AvailableBuffer()
-	b, err := appendCompact(b, src, false)
+	b, err := appendCompact(b, src, encOpts{})
 	dst.Write(b)
 	return err
 }
 
-func appendCompact(dst, src []byte, escape bool) ([]byte, error) {
+func appendCompact(dst, src []byte, opts encOpts) ([]byte, error) {
+	// EDIT(begin): optimize for skipCompaction
+	if opts.skipCompaction {
+		dst = append(dst, src...)
+		return dst, nil
+	}
+
+	escape := opts.escapeHTML
+	// EDIT(end)
+
 	origLen := len(dst)
 	scan := newScanner()
 	defer freeScanner(scan)

internal/encoding/json/opt.go

@@ -0,0 +1,24 @@
+// EDIT(begin): add custom options for JSON encoding
+package json
+
+type Option func(*encOpts)
+
+// Every time a sub-type of [json.Marshaler] is encountered,
+// skip a redundant and costly compaction step, trust it to self-compact.
+//
+// This is a divergence from the standard library behavior, and is only guaranteed
+// safe with SDK types.
+func WithSkipCompaction(b bool) Option {
+	return func(eos *encOpts) {
+		eos.skipCompaction = true
+	}
+}
+
+func (eos encOpts) apply(opts ...Option) encOpts {
+	for _, opt := range opts {
+		opt(&eos)
+	}
+	return eos
+}
+
+// EDIT(end)

internal/encoding/json/stream.go

@@ -6,7 +6,6 @@ package json
 
 import (
 	"bytes"
-	"errors"
 	"io"
 )
 
@@ -253,30 +252,34 @@ func (enc *Encoder) SetEscapeHTML(on bool) {
 	enc.escapeHTML = on
 }
 
-// RawMessage is a raw encoded JSON value.
-// It implements [Marshaler] and [Unmarshaler] and can
-// be used to delay JSON decoding or precompute a JSON encoding.
-type RawMessage []byte
-
-// MarshalJSON returns m as the JSON encoding of m.
-func (m RawMessage) MarshalJSON() ([]byte, error) {
-	if m == nil {
-		return []byte("null"), nil
-	}
-	return m, nil
-}
-
-// UnmarshalJSON sets *m to a copy of data.
-func (m *RawMessage) UnmarshalJSON(data []byte) error {
-	if m == nil {
-		return errors.New("json.RawMessage: UnmarshalJSON on nil pointer")
-	}
-	*m = append((*m)[0:0], data...)
-	return nil
-}
-
-var _ Marshaler = (*RawMessage)(nil)
-var _ Unmarshaler = (*RawMessage)(nil)
+// EDIT(begin): remove RawMessage
+//
+// // RawMessage is a raw encoded JSON value.
+// // It implements [Marshaler] and [Unmarshaler] and can
+// // be used to delay JSON decoding or precompute a JSON encoding.
+// type RawMessage []byte
+//
+// // MarshalJSON returns m as the JSON encoding of m.
+// func (m RawMessage) MarshalJSON() ([]byte, error) {
+// 	if m == nil {
+// 		return []byte("null"), nil
+// 	}
+// 	return m, nil
+// }
+//
+// // UnmarshalJSON sets *m to a copy of data.
+// func (m *RawMessage) UnmarshalJSON(data []byte) error {
+// 	if m == nil {
+// 		return errors.New("json.RawMessage: UnmarshalJSON on nil pointer")
+// 	}
+// 	*m = append((*m)[0:0], data...)
+// 	return nil
+// }
+//
+// var _ Marshaler = (*RawMessage)(nil)
+// var _ Unmarshaler = (*RawMessage)(nil)
+//
+// EDIT(end)
 
 // A Token holds a value of one of these types:
 //

internal/encoding/json/time.go

@@ -50,7 +50,7 @@ func timeMarshalEncoder(e *encodeState, v reflect.Value, opts encOpts) bool {
 	if b != nil {
 		e.Grow(len(b))
 		out := e.AvailableBuffer()
-		out, _ = appendCompact(out, b, opts.escapeHTML)
+		out, _ = appendCompact(out, b, opts)
 		e.Buffer.Write(out)
 		return true
 	}

internal/version.go

@@ -2,4 +2,4 @@
 
 package internal
 
-const PackageVersion = "0.9.0" // x-release-please-version
+const PackageVersion = "0.10.0" // x-release-please-version

packages/param/encoder.go

@@ -66,7 +66,7 @@ func MarshalWithExtras[T ParamStruct, R any](f T, underlying any, extras map[str
 	} else if ovr, ok := f.Overrides(); ok {
 		return shimjson.Marshal(ovr)
 	} else {
-		return shimjson.Marshal(underlying)
+		return shimjson.Marshal(underlying, shimjson.WithSkipCompaction(true))
 	}
 }
 
@@ -96,7 +96,7 @@ func MarshalUnion[T ParamStruct](metadata T, variants ...any) ([]byte, error) {
 			Err:  fmt.Errorf("expected union to have only one present variant, got %d", nPresent),
 		}
 	}
-	return shimjson.Marshal(variants[presentIdx])
+	return shimjson.Marshal(variants[presentIdx], shimjson.WithSkipCompaction(true))
 }
 
 // typeFor is shimmed from Go 1.23 "reflect" package