2 files changed, 64 insertions, 0 deletions
diff --git a/src/bun.js/bindings/URLSearchParams.cpp b/src/bun.js/bindings/URLSearchParams.cpp
index 9c168b4f6..2b0ffef67 100644
--- a/src/bun.js/bindings/URLSearchParams.cpp
+++ b/src/bun.js/bindings/URLSearchParams.cpp
@@ -26,9 +26,33 @@
 
 #include "DOMURL.h"
 #include "wtf/URLParser.h"
+#include "helpers.h"
+#include "JSURLSearchParams.h"
 
 namespace WebCore {
 
+extern "C" JSC::EncodedJSValue URLSearchParams__create(JSDOMGlobalObject* globalObject, const ZigString* input)
+{
+    String str = Zig::toString(*input);
+    auto result = URLSearchParams::create(str, nullptr);
+    return JSC::JSValue::encode(WebCore::toJSNewlyCreated(globalObject, globalObject, WTFMove(result)));
+}
+
+extern "C" WebCore::URLSearchParams* URLSearchParams__fromJS(JSC::EncodedJSValue value)
+{
+    return WebCoreCast<WebCore::JSURLSearchParams, WebCore::URLSearchParams>(value);
+}
+
+// callback accepting a void* and a const ZigString*, returning void
+typedef void (*URLSearchParams__toStringCallback)(void* ctx, const ZigString* str);
+
+extern "C" void URLSearchParams__toString(WebCore::URLSearchParams* urlSearchParams, void* ctx, URLSearchParams__toStringCallback callback)
+{
+    String str = urlSearchParams->toString();
+    auto zig = Zig::toZigString(str);
+    callback(ctx, &zig);
+}
+
 URLSearchParams::URLSearchParams(const String& init, DOMURL* associatedURL)
     : m_associatedURL(associatedURL)
     , m_pairs(init.startsWith('?') ? WTF::URLParser::parseURLEncodedForm(StringView(init).substring(1)) : WTF::URLParser::parseURLEncodedForm(init))
diff --git a/src/bun.js/bindings/bindings.zig b/src/bun.js/bindings/bindings.zig
index d0ccacd06..4c1469564 100644
--- a/src/bun.js/bindings/bindings.zig
+++ b/src/bun.js/bindings/bindings.zig
@@ -4365,6 +4365,46 @@ pub fn untrackFunction(
     return private.Bun__untrackFFIFunction(globalObject, value);
 }
 
+pub const URLSearchParams = opaque {
+    extern fn URLSearchParams__create(globalObject: *JSGlobalObject, *const ZigString) JSValue;
+    pub fn create(globalObject: *JSGlobalObject, init: ZigString) JSValue {
+        JSC.markBinding(@src());
+        return URLSearchParams__create(globalObject, &init);
+    }
+
+    extern fn URLSearchParams__fromJS(JSValue) ?*URLSearchParams;
+    pub fn fromJS(value: JSValue) ?*URLSearchParams {
+        JSC.markBinding(@src());
+        return URLSearchParams__fromJS(value);
+    }
+
+    extern fn URLSearchParams__toString(
+        self: *URLSearchParams,
+        ctx: *anyopaque,
+        callback: *const fn (ctx: *anyopaque, str: *const ZigString) void,
+    ) void;
+
+    pub fn toString(
+        self: *URLSearchParams,
+        comptime Ctx: type,
+        ctx: *Ctx,
+        comptime callback: *const fn (ctx: *Ctx, str: ZigString) void,
+    ) void {
+        JSC.markBinding(@src());
+        const Wrap = struct {
+            const cb_ = callback;
+            pub fn cb(c: *anyopaque, str: *const ZigString) void {
+                cb_(
+                    bun.cast(*Ctx, c),
+                    str.*,
+                );
+            }
+        };
+
+        URLSearchParams__toString(self, ctx, Wrap.cb);
+    }
+};
+
 pub const WTF = struct {
     extern fn WTF__copyLCharsFromUCharSource(dest: [*]u8, source: *const anyopaque, len: usize) void;
     extern fn WTF__toBase64URLStringValue(bytes: [*]const u8, length: usize, globalObject: *JSGlobalObject) JSValue;