16 files changed, 116 insertions, 98 deletions

diff --git a/src/bun.js/bindings/BunDetectLibcModule.cpp b/src/bun.js/bindings/BunDetectLibcModule.cpp
new file mode 100644
index 000000000..f7e2c1945
--- /dev/null
+++ b/src/bun.js/bindings/BunDetectLibcModule.cpp
@@ -0,0 +1,34 @@
+#include "root.h"
+
+#include "JavaScriptCore/JavaScript.h"
+#include "wtf/text/WTFString.h"
+#include "JavaScriptCore/ObjectConstructor.h"
+
+#if defined(__LINUX__)
+#include <gnu/libc-version.h>
+#endif
+
+using namespace JSC;
+using namespace WTF;
+
+JSC::JSObject* createDetectLibcModule(JSC::JSGlobalObject* globalObject)
+{
+    VM& vm = globalObject->vm();
+    JSC::JSObject* object = nullptr;
+
+    {
+        JSC::ObjectInitializationScope initializationScope(vm);
+        object = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype(), 2);
+        #if defined(__LINUX__)
+            auto version = JSC::jsString(vm, makeAtomString(gnu_get_libc_version()));
+            auto family = JSC::jsString(vm, makeAtomString("glibc"));
+        #else
+            auto version = JSC::jsNull();
+            auto family = JSC::jsNull();
+        #endif
+        object->putDirect(vm, JSC::Identifier::fromString(vm, "version"_s), version, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontDelete | 0);
+        object->putDirect(vm, JSC::Identifier::fromString(vm, "family"_s), family, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontDelete | 0);
+    }
+
+    return object;
+}
diff --git a/src/bun.js/bindings/BunDetectLibcModule.h b/src/bun.js/bindings/BunDetectLibcModule.h
new file mode 100644
index 000000000..4051e6750
--- /dev/null
+++ b/src/bun.js/bindings/BunDetectLibcModule.h
@@ -0,0 +1,4 @@
+#include "root.h"
+#include "JavaScriptCore/JSObject.h"
+
+JSC::JSObject* createDetectLibcModule(JSC::JSGlobalObject* globalObject);
\ No newline at end of file
diff --git a/src/bun.js/bindings/JSSink.cpp b/src/bun.js/bindings/JSSink.cpp
index 5f99d3792..3a69cc79a 100644
--- a/src/bun.js/bindings/JSSink.cpp
+++ b/src/bun.js/bindings/JSSink.cpp
@@ -1,6 +1,6 @@
 
 // AUTO-GENERATED FILE. DO NOT EDIT.
-// Generated by 'make generate-sink' at 2023-07-02T16:19:51.440Z
+// Generated by 'make generate-sink' at 2023-07-05T19:37:39.554Z
 // To regenerate this file, run:
 //
 //   make generate-sink
diff --git a/src/bun.js/bindings/JSSink.h b/src/bun.js/bindings/JSSink.h
index 41d7065dc..dc68935d9 100644
--- a/src/bun.js/bindings/JSSink.h
+++ b/src/bun.js/bindings/JSSink.h
@@ -1,6 +1,6 @@
 
 // AUTO-GENERATED FILE. DO NOT EDIT.
-// Generated by 'make generate-sink' at 2023-07-02T16:19:51.438Z
+// Generated by 'make generate-sink' at 2023-07-05T19:37:39.553Z
 //
 #pragma once
 
diff --git a/src/bun.js/bindings/JSSinkLookupTable.h b/src/bun.js/bindings/JSSinkLookupTable.h
index e4ed81629..7ff4c3f9c 100644
--- a/src/bun.js/bindings/JSSinkLookupTable.h
+++ b/src/bun.js/bindings/JSSinkLookupTable.h
@@ -1,4 +1,4 @@
-// Automatically generated from src/bun.js/bindings/JSSink.cpp using /home/cirospaciari/Repos/bun/src/bun.js/WebKit/Source/JavaScriptCore/create_hash_table. DO NOT EDIT!
+// Automatically generated from src/bun.js/bindings/JSSink.cpp using /Users/ashcon/Desktop/code/bun/src/bun.js/WebKit/Source/JavaScriptCore/create_hash_table. DO NOT EDIT!
 
 
 
diff --git a/src/bun.js/bindings/ZigGlobalObject.cpp b/src/bun.js/bindings/ZigGlobalObject.cpp
index 4bb5445e1..09b82daf7 100644
--- a/src/bun.js/bindings/ZigGlobalObject.cpp
+++ b/src/bun.js/bindings/ZigGlobalObject.cpp
@@ -114,6 +114,8 @@
 #include "JSEnvironmentVariableMap.h"
 #include "DOMIsoSubspaces.h"
 
+#include "BunDetectLibcModule.h"
+
 #if ENABLE(REMOTE_INSPECTOR)
 #include "JavaScriptCore/RemoteInspectorServer.h"
 #endif
@@ -1587,6 +1589,10 @@ JSC:
             return JSValue::encode(obj);
         }
 
+        if (string == "detect-libc"_s) {
+            return JSC::JSValue::encode(createDetectLibcModule(globalObject));
+        }
+
         if (UNLIKELY(string == "noop"_s)) {
             auto* obj = constructEmptyObject(globalObject);
             obj->putDirectCustomAccessor(vm, JSC::PropertyName(JSC::Identifier::fromString(vm, "getterSetter"_s)), JSC::CustomGetterSetter::create(vm, noop_getter, noop_setter), 0);
diff --git a/src/bun.js/module_loader.zig b/src/bun.js/module_loader.zig
index e7e4d700e..2f3f7492b 100644
--- a/src/bun.js/module_loader.zig
+++ b/src/bun.js/module_loader.zig
@@ -1868,7 +1868,7 @@ pub const ModuleLoader = struct {
                 .@"node:wasi" => return jsResolvedSource(jsc_vm, jsc_vm.load_builtins_from_path, .@"node:wasi", "node/wasi.js", specifier),
                 .@"node:zlib" => return jsResolvedSource(jsc_vm, jsc_vm.load_builtins_from_path, .@"node:zlib", "node/zlib.js", specifier),
 
-                .@"detect-libc" => return jsResolvedSource(jsc_vm, jsc_vm.load_builtins_from_path, .@"detect-libc", if (Environment.isLinux) "thirdparty/detect-libc.linux.js" else "thirdparty/detect-libc.js", specifier),
+                .@"detect-libc" => return jsResolvedSource(jsc_vm, jsc_vm.load_builtins_from_path, .@"detect-libc", "thirdparty/detect-libc.js", specifier),
                 .undici => return jsResolvedSource(jsc_vm, jsc_vm.load_builtins_from_path, .undici, "thirdparty/undici.js", specifier),
                 .ws => return jsResolvedSource(jsc_vm, jsc_vm.load_builtins_from_path, .ws, "thirdparty/ws.js", specifier),
 
diff --git a/src/js/out/modules/thirdparty/detect-libc.js b/src/js/out/modules/thirdparty/detect-libc.js
index 1c4e18a7a..47aaefa5e 100644
--- a/src/js/out/modules/thirdparty/detect-libc.js
+++ b/src/js/out/modules/thirdparty/detect-libc.js
@@ -1,28 +1,31 @@
-function family() {
-  return Promise.resolve(familySync());
-}
-function familySync() {
-  return null;
+function version() {
+  return libcVersion;
 }
 function versionAsync() {
-  return Promise.resolve(version());
+  return Promise.resolve(libcVersion);
 }
-function version() {
-  return null;
+function family() {
+  return libcFamily;
 }
-function isNonGlibcLinuxSync() {
-  return !1;
+function familyAsync() {
+  return Promise.resolve(libcFamily);
 }
 function isNonGlibcLinux() {
-  return Promise.resolve(isNonGlibcLinuxSync());
+  return Promise.resolve(libcFamily === "musl");
+}
+function isNonGlibcLinuxSync() {
+  return libcFamily === "musl";
 }
-var GLIBC = "glibc", MUSL = "musl";
+var {
+  version: libcVersion,
+  family: libcFamily
+} = globalThis[Symbol.for("Bun.lazy")]("detect-libc"), GLIBC = "glibc", MUSL = "musl";
 export {
   versionAsync,
   version,
   isNonGlibcLinuxSync,
   isNonGlibcLinux,
-  familySync,
+  familyAsync,
   family,
   MUSL,
   GLIBC
diff --git a/src/js/out/modules/thirdparty/detect-libc.linux.js b/src/js/out/modules/thirdparty/detect-libc.linux.js
deleted file mode 100644
index 1c4e18a7a..000000000
--- a/src/js/out/modules/thirdparty/detect-libc.linux.js
+++ /dev/null
@@ -1,29 +0,0 @@
-function family() {
-  return Promise.resolve(familySync());
-}
-function familySync() {
-  return null;
-}
-function versionAsync() {
-  return Promise.resolve(version());
-}
-function version() {
-  return null;
-}
-function isNonGlibcLinuxSync() {
-  return !1;
-}
-function isNonGlibcLinux() {
-  return Promise.resolve(isNonGlibcLinuxSync());
-}
-var GLIBC = "glibc", MUSL = "musl";
-export {
-  versionAsync,
-  version,
-  isNonGlibcLinuxSync,
-  isNonGlibcLinux,
-  familySync,
-  family,
-  MUSL,
-  GLIBC
-};
diff --git a/src/js/thirdparty/detect-libc.js b/src/js/thirdparty/detect-libc.js
index 514a76536..21110cc66 100644
--- a/src/js/thirdparty/detect-libc.js
+++ b/src/js/thirdparty/detect-libc.js
@@ -1,27 +1,33 @@
-// Hardcoded module "detect-libc" for darwin
-export function family() {
-  return Promise.resolve(familySync());
-}
+// https://www.npmjs.com/package/detect-libc
 
-export function familySync() {
-  return null;
-}
+const {
+  version: libcVersion,
+  family: libcFamily,
+} = globalThis[Symbol.for("Bun.lazy")]("detect-libc");
 
 export const GLIBC = "glibc";
 export const MUSL = "musl";
 
+export function version() {
+  return libcVersion;
+}
+
 export function versionAsync() {
-  return Promise.resolve(version());
+  return Promise.resolve(libcVersion);
 }
 
-export function version() {
-  return null;
+export function family() {
+  return libcFamily;
 }
 
-export function isNonGlibcLinuxSync() {
-  return false;
+export function familyAsync() {
+  return Promise.resolve(libcFamily);
 }
 
 export function isNonGlibcLinux() {
-  return Promise.resolve(isNonGlibcLinuxSync());
+  return Promise.resolve(libcFamily === MUSL);
+}
+
+export function isNonGlibcLinuxSync() {
+  return libcFamily === MUSL;
 }
diff --git a/src/js/thirdparty/detect-libc.linux.js b/src/js/thirdparty/detect-libc.linux.js
deleted file mode 100644
index 4c6557247..000000000
--- a/src/js/thirdparty/detect-libc.linux.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// Hardcoded module "detect-libc" for linux
-export function family() {
-  return Promise.resolve(familySync());
-}
-
-export function familySync() {
-  if (process.platform === "linux") {
-    return GLIBC;
-  } else {
-    return null;
-  }
-}
-
-export const GLIBC = "glibc";
-export const MUSL = "musl";
-
-export function versionAsync() {
-  return Promise.resolve(version());
-}
-
-export function version() {
-  if (process.platform === "linux") {
-    return "2.29";
-  } else {
-    return null;
-  }
-}
-
-export function isNonGlibcLinuxSync() {
-  return false;
-}
-
-export function isNonGlibcLinux() {
-  return Promise.resolve(isNonGlibcLinuxSync());
-}
diff --git a/test/bun.lockb b/test/bun.lockb
index c35182d46..e8566947c 100755
--- a/test/bun.lockb
+++ b/test/bun.lockb
diff --git a/test/js/first_party/detect-libc.test.ts b/test/js/first_party/detect-libc.test.ts
new file mode 100644
index 000000000..a5b77994f
--- /dev/null
+++ b/test/js/first_party/detect-libc.test.ts
@@ -0,0 +1,20 @@
+import { test, expect } from "bun:test";
+// @ts-ignore: @types/detect-libc is not accurate
+import { GLIBC, MUSL, version, versionAsync, family, familyAsync, isNonGlibcLinux, isNonGlibcLinuxSync } from "detect-libc";
+
+test("detect-libc", () => {
+  expect(GLIBC).toBe("glibc");
+  expect(MUSL).toBe("musl");
+  if (process.platform === "linux") {
+    expect(version()).toMatch(/^\d+\.\d+/);
+    expect(family()).toBe(GLIBC);
+    expect(isNonGlibcLinuxSync()).toBeFalse();
+  } else {
+    expect(version()).toBeNull();
+    expect(family()).toBeNull();
+    expect(isNonGlibcLinuxSync()).toBeFalse();
+  }
+  expect(versionAsync()).resolves.toBe(version());
+  expect(familyAsync()).resolves.toBe(family());
+  expect(isNonGlibcLinux()).resolves.toBe(isNonGlibcLinuxSync());
+});
diff --git a/test/js/first_party/undici/undici.test.ts b/test/js/first_party/undici.test.ts
index ab8430ee9..e57ef63ba 100644
--- a/test/js/first_party/undici/undici.test.ts
+++ b/test/js/first_party/undici.test.ts
@@ -1,7 +1,7 @@
 import { describe, it, expect, beforeAll, afterAll } from "bun:test";
 import { request } from "undici";
 
-import { createServer } from "../../../http-test-server";
+import { createServer } from "../../http-test-server";
 
 describe("undici", () => {
   let serverCtl: ReturnType<typeof createServer>;
diff --git a/test/js/first_party/utf-8-validate.test.ts b/test/js/first_party/utf-8-validate.test.ts
new file mode 100644
index 000000000..33469c970
--- /dev/null
+++ b/test/js/first_party/utf-8-validate.test.ts
@@ -0,0 +1,9 @@
+import { test, expect } from "bun:test";
+import { isUtf8 } from "node:buffer";
+import isValidUTF8 from "utf-8-validate";
+
+test("utf-8-validate", () => {
+  expect(isValidUTF8).toBe(isUtf8);
+  expect(isValidUTF8(Buffer.from("😀"))).toBeTrue();
+  expect(isValidUTF8(Buffer.from([0xff]))).toBeFalse();
+});
diff --git a/test/package.json b/test/package.json
index 5529d3f20..da3974994 100644
--- a/test/package.json
+++ b/test/package.json
@@ -1,13 +1,13 @@
 {
   "name": "test",
   "devDependencies": {
-    "@types/dedent": "0.7.0"
+    "@types/dedent": "0.7.0",
+    "@types/react": "18.0.28",
+    "@types/react-dom": "18.0.11"
   },
   "dependencies": {
     "@prisma/client": "4.15.0",
     "@swc/core": "1.3.38",
-    "@types/react": "18.0.28",
-    "@types/react-dom": "18.0.11",
     "bktree-fast": "0.0.7",
     "body-parser": "1.20.2",
     "dedent": "0.7.0",