Add implementation of FormData builtin (#191)

Author: andreiltd

builtins/web/file.cpp

@@ -114,6 +114,19 @@ bool File::init(JSContext *cx, HandleObject self, HandleValue fileBits, HandleVa
   return true;
 }
 
+JSObject* File::create(JSContext *cx, HandleValue fileBits, HandleValue fileName, HandleValue opts) {
+  RootedObject self(cx, JS_NewObjectWithGivenProto(cx, &class_, proto_obj));
+  if (!self) {
+    return nullptr;
+  }
+
+  if (!init(cx, self, fileBits, fileName, opts)) {
+    return nullptr;
+  }
+
+  return self;
+}
+
 bool File::constructor(JSContext *cx, unsigned argc, JS::Value *vp) {
   CTOR_HEADER("File", 2);
 

builtins/web/file.h

@@ -23,6 +23,7 @@ class File : public BuiltinImpl<File> {
   static const JSFunctionSpec methods[];
   static const JSPropertySpec properties[];
 
+  static JSObject *create(JSContext *cx, HandleValue fileBits, HandleValue fileName, HandleValue opts);
   static bool init(JSContext *cx, HandleObject self, HandleValue fileBits, HandleValue fileName, HandleValue opts);
   static bool init_class(JSContext *cx, HandleObject global);
   static bool constructor(JSContext *cx, unsigned argc, Value *vp);