Fix bugs in mask boolean values

1 files changed, 9 insertions, 10 deletions

diff --git a/src/bun.js/bindings/JSReadableState.h b/src/bun.js/bindings/JSReadableState.h
index 544d4b63e..c67baebad 100644
--- a/src/bun.js/bindings/JSReadableState.h
+++ b/src/bun.js/bindings/JSReadableState.h
@@ -11,7 +11,8 @@ class JSReadableState : public JSC::JSDestructibleObject {
 
 public:
     JSReadableState(JSC::VM& vm, JSC::Structure* structure)
-        : Base(vm, structure), m_paused(0)
+        : Base(vm, structure)
+        , m_paused(0)
     {
     }
 
@@ -46,7 +47,7 @@ public:
     void finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject, bool isDuplex, JSObject* options);
     static void destroy(JSCell*) {}
 
-    enum Mask {
+    enum Mask : uint32_t {
         objectMode = 1 << 0,
         emitClose = 1 << 1,
         autoDestroy = 1 << 2,
@@ -57,7 +58,7 @@ public:
         sync = 1 << 7,
         needReadable = 1 << 8,
         emittedReadable = 1 << 9,
-        readableListening = 1<< 10,
+        readableListening = 1 << 10,
         resumeScheduled = 1 << 11,
         errorEmitted = 1 << 12,
         destroyed = 1 << 13,
@@ -68,19 +69,17 @@ public:
         dataEmitted = 1 << 18,
     };
 
-    bool getBool(Mask mask) { return m_bools & mask; }
-    void setBool(Mask mask, bool val) {
-        if (val)
-            m_bools = m_bools | mask;
-        else
-            m_bools = m_bools & mask;
+    constexpr bool getBool(Mask mask) { return m_bools.contains(mask); }
+    constexpr void setBool(Mask mask, bool val)
+    {
+        m_bools.set(mask, val);
     }
 
     // 0 for null, 1 for true, -1 for false
     int8_t m_paused = 0;
     int8_t m_flowing = 0;
 
-    uint32_t m_bools = Mask::constructed | Mask::sync;
+    WTF::OptionSet<Mask> m_bools;
 
     int64_t m_length = 0;
     int64_t m_highWaterMark;