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src: minor error cleanups #35493

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merged 2 commits into from Oct 6, 2020
Merged

src: minor error cleanups #35493

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530acd1
src: use env->ThrowUVException in pipe_wrap
jasnell Oct 4, 2020
8beef5e
src: more idiomatic error pattern in node_wasi
jasnell Oct 4, 2020
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14 changes: 6 additions & 8 deletions src/node_wasi.cc
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Expand Up @@ -104,9 +104,9 @@ static MaybeLocal<Value> WASIException(Local<Context> context,
js_msg =
String::Concat(isolate, js_msg, FIXED_ONE_BYTE_STRING(isolate, ", "));
js_msg = String::Concat(isolate, js_msg, js_syscall);
Local<Object> e =
Exception::Error(js_msg)->ToObject(context)
.ToLocalChecked();
Local<Object> e;
if (!Exception::Error(js_msg)->ToObject(context).ToLocal(&e))
return MaybeLocal<Value>();

if (e->Set(context,
env->errno_string(),
Expand All @@ -128,13 +128,11 @@ WASI::WASI(Environment* env,
options->allocator = &alloc_info_;
int err = uvwasi_init(&uvw_, options);
if (err != UVWASI_ESUCCESS) {
Local<Context> context = env->context();
MaybeLocal<Value> exception = WASIException(context, err, "uvwasi_init");

if (exception.IsEmpty())
Local<Value> exception;
if (!WASIException(env->context(), err, "uvwasi_init").ToLocal(&exception))
return;

context->GetIsolate()->ThrowException(exception.ToLocalChecked());
env->isolate()->ThrowException(exception);
}
}

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4 changes: 1 addition & 3 deletions src/pipe_wrap.cc
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Expand Up @@ -40,7 +40,6 @@ using v8::Function;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::Int32;
using v8::Isolate;
using v8::Local;
using v8::MaybeLocal;
using v8::Object;
Expand Down Expand Up @@ -216,9 +215,8 @@ void PipeWrap::Open(const FunctionCallbackInfo<Value>& args) {
int err = uv_pipe_open(&wrap->handle_, fd);
wrap->set_fd(fd);

Isolate* isolate = env->isolate();
if (err != 0)
isolate->ThrowException(UVException(isolate, err, "uv_pipe_open"));
env->ThrowUVException(err, "uv_pipe_open");
}


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