From 5ef36f1b6fa64d838f988d4b84110fae4c7015ac Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Sun, 25 Sep 2022 14:56:22 -0700
Subject: Implement `isatty` in `node:tty`

---
 src/bun.js/modules/TTYModule.h | 69 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/bun.js/modules/TTYModule.h

(limited to 'src/bun.js/modules/TTYModule.h')

diff --git a/src/bun.js/modules/TTYModule.h b/src/bun.js/modules/TTYModule.h
new file mode 100644
index 000000000..fcc65b235
--- /dev/null
+++ b/src/bun.js/modules/TTYModule.h
@@ -0,0 +1,69 @@
+#include "../bindings/JSBuffer.h"
+#include "../bindings/ZigGlobalObject.h"
+#include "JavaScriptCore/JSGlobalObject.h"
+
+#include "JavaScriptCore/ObjectConstructor.h"
+
+namespace Zig {
+using namespace WebCore;
+
+JSC_DEFINE_HOST_FUNCTION(jsFunctionTty_isatty, (JSGlobalObject * globalObject,
+                                                CallFrame *callFrame)) {
+  VM &vm = globalObject->vm();
+  if (callFrame->argumentCount() < 1) {
+    return JSValue::encode(jsBoolean(false));
+  }
+
+  auto scope = DECLARE_CATCH_SCOPE(vm);
+  int fd = callFrame->argument(0).toInt32(globalObject);
+  RETURN_IF_EXCEPTION(scope, encodedJSValue());
+
+  return JSValue::encode(jsBoolean(isatty(fd)));
+}
+
+JSC_DEFINE_HOST_FUNCTION(jsFunctionNotImplementedYet,
+                         (JSGlobalObject * globalObject,
+                          CallFrame *callFrame)) {
+  VM &vm = globalObject->vm();
+  auto throwScope = DECLARE_THROW_SCOPE(vm);
+  throwException(globalObject, throwScope,
+                 createError(globalObject, "Not implemented yet"_s));
+  return JSValue::encode(jsUndefined());
+}
+
+inline void generateTTYSourceCode(JSC::JSGlobalObject *lexicalGlobalObject,
+                                  JSC::Identifier moduleKey,
+                                  Vector<JSC::Identifier, 4> &exportNames,
+                                  JSC::MarkedArgumentBuffer &exportValues) {
+  JSC::VM &vm = lexicalGlobalObject->vm();
+  GlobalObject *globalObject =
+      reinterpret_cast<GlobalObject *>(lexicalGlobalObject);
+
+  auto *tty = JSC::constructEmptyObject(globalObject,
+                                        globalObject->objectPrototype(), 3);
+
+  auto *isattyFunction =
+      JSFunction::create(vm, globalObject, 1, "isatty"_s, jsFunctionTty_isatty,
+                         ImplementationVisibility::Public);
+
+  auto *notimpl = JSFunction::create(vm, globalObject, 0, "notimpl"_s,
+                                     jsFunctionNotImplementedYet,
+                                     ImplementationVisibility::Public,
+                                     NoIntrinsic, jsFunctionNotImplementedYet);
+
+  exportNames.append(JSC::Identifier::fromString(vm, "isatty"_s));
+  exportValues.append(isattyFunction);
+
+  exportNames.append(JSC::Identifier::fromString(vm, "ReadStream"_s));
+  tty->putDirect(vm, JSC::Identifier::fromString(vm, "ReadStream"_s), notimpl);
+  exportValues.append(notimpl);
+
+  exportNames.append(JSC::Identifier::fromString(vm, "WriteStream"_s));
+  tty->putDirect(vm, JSC::Identifier::fromString(vm, "WriteStream"_s), notimpl);
+  exportValues.append(notimpl);
+
+  exportNames.append(vm.propertyNames->defaultKeyword);
+  exportValues.append(tty);
+}
+
+} // namespace Zig
-- 
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