[Buffer] Add deprecated `parent` property

3 files changed, 19 insertions, 0 deletions

diff --git a/src/bun.js/bindings/JSBuffer.cpp b/src/bun.js/bindings/JSBuffer.cpp
index 2cf0bb261..8a958580d 100644
--- a/src/bun.js/bindings/JSBuffer.cpp
+++ b/src/bun.js/bindings/JSBuffer.cpp
@@ -1617,6 +1617,7 @@ static const HashTableValue JSBufferPrototypeTableValues[]
           { "lastIndexOf"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { HashTableValue::NativeFunctionType, jsBufferPrototypeFunction_lastIndexOf, 3 } },
           { "latin1Slice"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinGeneratorType, jsBufferPrototypeLatin1SliceCodeGenerator, 2 } },
           { "latin1Write"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinGeneratorType, jsBufferPrototypeLatin1WriteCodeGenerator, 1 } },
+          { "parent"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinGeneratorType, jsBufferPrototypeParentCodeGenerator, 0 } },
           { "readBigInt64"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinGeneratorType, jsBufferPrototypeReadBigInt64LECodeGenerator, 1 } },
           { "readBigInt64BE"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinGeneratorType, jsBufferPrototypeReadBigInt64BECodeGenerator, 1 } },
           { "readBigInt64LE"_s, static_cast<unsigned>(JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinGeneratorType, jsBufferPrototypeReadBigInt64LECodeGenerator, 1 } },
diff --git a/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp b/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp
index dbb9e13c1..eed76a202 100644
--- a/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp
+++ b/src/bun.js/builtins/cpp/JSBufferPrototypeBuiltins.cpp
@@ -746,6 +746,18 @@ const char* const s_jsBufferPrototypeSliceCode =
     "})\n" \
 ;
 
+const JSC::ConstructAbility s_jsBufferPrototypeParentCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
+const JSC::ConstructorKind s_jsBufferPrototypeParentCodeConstructorKind = JSC::ConstructorKind::None;
+const JSC::ImplementationVisibility s_jsBufferPrototypeParentCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
+const int s_jsBufferPrototypeParentCodeLength = 56;
+static const JSC::Intrinsic s_jsBufferPrototypeParentCodeIntrinsic = JSC::NoIntrinsic;
+const char* const s_jsBufferPrototypeParentCode =
+    "(function () {\n" \
+    "  \"use strict\";\n" \
+    "  return this.buffer;\n" \
+    "})\n" \
+;
+
 const JSC::ConstructAbility s_jsBufferPrototypeInitializeBunBufferCodeConstructAbility = JSC::ConstructAbility::CannotConstruct;
 const JSC::ConstructorKind s_jsBufferPrototypeInitializeBunBufferCodeConstructorKind = JSC::ConstructorKind::None;
 const JSC::ImplementationVisibility s_jsBufferPrototypeInitializeBunBufferCodeImplementationVisibility = JSC::ImplementationVisibility::Public;
diff --git a/src/bun.js/builtins/js/JSBufferPrototype.js b/src/bun.js/builtins/js/JSBufferPrototype.js
index ef3332d88..7fdd8cff5 100644
--- a/src/bun.js/builtins/js/JSBufferPrototype.js
+++ b/src/bun.js/builtins/js/JSBufferPrototype.js
@@ -300,6 +300,12 @@ function slice(start, end) {
   return new Buffer(buffer, byteOffset + start_, end_ > start_ ? (end_ - start_) : 0);
 }
 
+@getter
+function parent() {
+  "use strict";
+  return this.buffer;
+}
+
 
 function initializeBunBuffer(parameters)
 {