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108 lines
3.4 KiB
108 lines
3.4 KiB
#include "node.h"
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#include "v8.h"
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#include "env.h"
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#include "env-inl.h"
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namespace node {
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namespace util {
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using v8::Array;
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using v8::Context;
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using v8::FunctionCallbackInfo;
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using v8::Local;
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using v8::Object;
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using v8::Private;
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using v8::Proxy;
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using v8::String;
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using v8::Value;
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#define VALUE_METHOD_MAP(V) \
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V(isArrayBuffer, IsArrayBuffer) \
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V(isDataView, IsDataView) \
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V(isDate, IsDate) \
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V(isMap, IsMap) \
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V(isMapIterator, IsMapIterator) \
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V(isPromise, IsPromise) \
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V(isRegExp, IsRegExp) \
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V(isSet, IsSet) \
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V(isSetIterator, IsSetIterator) \
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V(isTypedArray, IsTypedArray)
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#define V(_, ucname) \
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static void ucname(const FunctionCallbackInfo<Value>& args) { \
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CHECK_EQ(1, args.Length()); \
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args.GetReturnValue().Set(args[0]->ucname()); \
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}
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VALUE_METHOD_MAP(V)
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#undef V
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static void GetProxyDetails(const FunctionCallbackInfo<Value>& args) {
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// Return undefined if it's not a proxy.
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if (!args[0]->IsProxy())
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return;
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Local<Proxy> proxy = args[0].As<Proxy>();
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Local<Array> ret = Array::New(args.GetIsolate(), 2);
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ret->Set(0, proxy->GetTarget());
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ret->Set(1, proxy->GetHandler());
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args.GetReturnValue().Set(ret);
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}
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static void GetHiddenValue(const FunctionCallbackInfo<Value>& args) {
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Environment* env = Environment::GetCurrent(args);
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if (!args[0]->IsObject())
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return env->ThrowTypeError("obj must be an object");
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if (!args[1]->IsString())
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return env->ThrowTypeError("name must be a string");
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Local<Object> obj = args[0].As<Object>();
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Local<String> name = args[1].As<String>();
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auto private_symbol = Private::ForApi(env->isolate(), name);
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auto maybe_value = obj->GetPrivate(env->context(), private_symbol);
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args.GetReturnValue().Set(maybe_value.ToLocalChecked());
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}
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static void SetHiddenValue(const FunctionCallbackInfo<Value>& args) {
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Environment* env = Environment::GetCurrent(args);
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if (!args[0]->IsObject())
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return env->ThrowTypeError("obj must be an object");
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if (!args[1]->IsString())
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return env->ThrowTypeError("name must be a string");
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Local<Object> obj = args[0].As<Object>();
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Local<String> name = args[1].As<String>();
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auto private_symbol = Private::ForApi(env->isolate(), name);
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auto maybe_value = obj->SetPrivate(env->context(), private_symbol, args[2]);
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args.GetReturnValue().Set(maybe_value.FromJust());
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}
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void Initialize(Local<Object> target,
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Local<Value> unused,
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Local<Context> context) {
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Environment* env = Environment::GetCurrent(context);
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#define V(lcname, ucname) env->SetMethod(target, #lcname, ucname);
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VALUE_METHOD_MAP(V)
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#undef V
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env->SetMethod(target, "getHiddenValue", GetHiddenValue);
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env->SetMethod(target, "setHiddenValue", SetHiddenValue);
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env->SetMethod(target, "getProxyDetails", GetProxyDetails);
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}
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} // namespace util
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} // namespace node
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NODE_MODULE_CONTEXT_AWARE_BUILTIN(util, node::util::Initialize)
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