44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/common/api/event_emitter_caller.h"
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#include "atom/common/api/locker.h"
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#include "atom/common/node_includes.h"
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namespace mate {
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namespace internal {
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v8::Local<v8::Value> CallMethodWithArgs(v8::Isolate* isolate,
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v8::Local<v8::Object> obj,
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const char* method,
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ValueVector* args) {
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// Perform microtask checkpoint after running JavaScript.
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v8::MicrotasksScope script_scope(isolate,
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v8::MicrotasksScope::kRunMicrotasks);
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// Use node::MakeCallback to call the callback, and it will also run pending
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// tasks in Node.js.
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v8::MaybeLocal<v8::Value> ret = node::MakeCallback(isolate, obj, method,
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args->size(),
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&args->front(), {0, 0});
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// If the JS function throws an exception (doesn't return a value) the result
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// of MakeCallback will be empty, in this case we need to return "false" as
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// that indicates that the event emitter did not handle the event
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if (ret.IsEmpty()) {
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return v8::Boolean::New(isolate, false);
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}
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v8::Local<v8::Value> localRet;
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if (ret.ToLocal(&localRet)) {
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return localRet;
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}
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// Should be unreachable, but the compiler complains if we don't check
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// the result of ToLocal
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return v8::Undefined(isolate);
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}
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} // namespace internal
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} // namespace mate
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