ref and deinit (#5883)

Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>

2 files changed, 33 insertions, 2 deletions

diff --git a/src/bun.js/node/node_fs.zig b/src/bun.js/node/node_fs.zig
index a07e75ee2..dab438628 100644
--- a/src/bun.js/node/node_fs.zig
+++ b/src/bun.js/node/node_fs.zig
@@ -191,7 +191,11 @@ pub const Async = struct {
                 }
 
                 this.ref.unref(this.globalObject.bunVM());
-                this.args.deinit();
+                if (@hasDecl(ArgumentType, "deinitAndUnprotect")) {
+                    this.args.deinitAndUnprotect();
+                } else {
+                    this.args.deinit();
+                }
                 this.promise.strong.deinit();
                 bun.default_allocator.destroy(this);
             }
@@ -1936,7 +1940,13 @@ pub const Arguments = struct {
         position: ?ReadPosition = null,
         encoding: Encoding = Encoding.buffer,
 
-        pub fn deinit(_: Write) void {}
+        pub fn deinit(this: *const @This()) void {
+            this.buffer.deinit();
+        }
+
+        pub fn deinitAndUnprotect(this: *@This()) void {
+            this.buffer.deinitAndUnprotect();
+        }
 
         pub fn toThreadSafe(self: *@This()) void {
             self.buffer.toThreadSafe();
diff --git a/src/bun.js/node/types.zig b/src/bun.js/node/types.zig
index 4a650dbaf..96d1a00ef 100644
--- a/src/bun.js/node/types.zig
+++ b/src/bun.js/node/types.zig
@@ -348,11 +348,32 @@ pub const SliceWithUnderlyingStringOrBuffer = union(enum) {
         };
     }
 
+    pub fn deinit(this: *const SliceWithUnderlyingStringOrBuffer) void {
+        switch (this.*) {
+            .SliceWithUnderlyingString => |*str| {
+                str.deinit();
+            },
+            else => {},
+        }
+    }
+
+    pub fn deinitAndUnprotect(this: *const SliceWithUnderlyingStringOrBuffer) void {
+        switch (this.*) {
+            .SliceWithUnderlyingString => |*str| {
+                str.deinit();
+            },
+            .buffer => |buffer| {
+                buffer.buffer.value.unprotect();
+            },
+        }
+    }
+
     pub fn fromJS(global: *JSC.JSGlobalObject, allocator: std.mem.Allocator, value: JSC.JSValue, exception: JSC.C.ExceptionRef) ?SliceWithUnderlyingStringOrBuffer {
         _ = exception;
         return switch (value.jsType()) {
             JSC.JSValue.JSType.String, JSC.JSValue.JSType.StringObject, JSC.JSValue.JSType.DerivedStringObject, JSC.JSValue.JSType.Object => {
                 var str = bun.String.tryFromJS(value, global) orelse return null;
+                str.ref();
                 return SliceWithUnderlyingStringOrBuffer{ .SliceWithUnderlyingString = str.toSlice(allocator) };
             },