fix(body) Make Request/Reponse empty body to be null (#2156)

* make empty nullable

* revert mistake change

1 files changed, 10 insertions, 2 deletions

diff --git a/src/bun.js/webcore/body.zig b/src/bun.js/webcore/body.zig
index ad40c56ff..19e92d95a 100644
--- a/src/bun.js/webcore/body.zig
+++ b/src/bun.js/webcore/body.zig
@@ -363,7 +363,10 @@ pub const Body = struct {
             JSC.markBinding(@src());
 
             switch (this.*) {
-                .Used, .Empty => {
+                .Empty => {
+                    return JSValue.jsNull();
+                },
+                .Used => {
                     return JSC.WebCore.ReadableStream.empty(globalThis);
                 },
                 .InternalBlob,
@@ -435,7 +438,7 @@ pub const Body = struct {
 
         pub fn fromJS(
             globalThis: *JSGlobalObject,
-            value: JSValue,
+            value: JSValue
         ) ?Value {
             value.ensureStillAlive();
 
@@ -976,6 +979,10 @@ pub fn BodyMixin(comptime Type: type) type {
         ) callconv(.C) JSValue {
             var body: *Body.Value = this.getBodyValue();
 
+            if (body.* == .Empty) {
+                return JSValue.jsNull();
+            }
+
             if (body.* == .Used) {
                 // TODO: make this closed
                 return JSC.WebCore.ReadableStream.empty(globalThis);
@@ -997,6 +1004,7 @@ pub fn BodyMixin(comptime Type: type) type {
             _: *JSC.CallFrame,
         ) callconv(.C) JSC.JSValue {
             var value: *Body.Value = this.getBodyValue();
+
             if (value.* == .Used) {
                 return handleBodyAlreadyUsed(globalObject);
             }