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inspector: only write coverage in fully bootstrapped Environments #32960

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inspector: only write coverage in fully bootstrapped Environments #32960

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10 changes: 10 additions & 0 deletions src/inspector_profiler.cc
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Expand Up @@ -209,6 +209,16 @@ void V8CoverageConnection::WriteProfile(Local<String> message) {
HandleScope handle_scope(isolate);
Context::Scope context_scope(context);

// This is only set up during pre-execution (when the environment variables
// becomes available in the JS land). If it's empty, we don't have coverage
// directory path (which is resolved in JS land at the moment) either, so
// the best we could to is to just discard the profile and do nothing.
// This should only happen in half-baked Environments created using the
// embedder API.
if (env_->source_map_cache_getter().IsEmpty()) {
return;
}

// Get message.result from the response.
Local<Object> result;
if (!ParseProfile(env_, message, type()).ToLocal(&result)) {
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