src: add Env() to AsyncContext

PR-URL: #568 Reviewed-By: NickNaso <nicoladelgobbo@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Anna Henningsen <anna@addaleax.net>
nodejs · Oct 23, 2019 · 740c798 · 740c798
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diff --git a/doc/async_context.md b/doc/async_context.md
@@ -45,6 +45,16 @@ The `Napi::AsyncContext` to be destroyed.
 virtual Napi::AsyncContext::~AsyncContext();
 ```
 
+### Env
+
+Requests the environment in which the async context has been initially created.
+
+```cpp
+Napi::Env Env() const;
+```
+
+Returns the `Napi::Env` environment in which the async context has been created.
+
 ## Operator
 
 ```cpp

diff --git a/napi-inl.h b/napi-inl.h
@@ -3589,6 +3589,10 @@ inline AsyncContext::operator napi_async_context() const {
   return _context;
 }
 
+inline Napi::Env AsyncContext::Env() const {
+  return Napi::Env(_env);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // AsyncWorker class
 ////////////////////////////////////////////////////////////////////////////////

diff --git a/napi.h b/napi.h
@@ -1784,6 +1784,8 @@ namespace Napi {
 
     operator napi_async_context() const;
 
+    Napi::Env Env() const;
+
   private:
     napi_env _env;
     napi_async_context _context;