async_hooks: introduce async_hooks.js

Getting mechanics flushed out for both the necessary JS and C++ APIs. Currenty builds and runs, but complete implementation is coming.
trevnorris · Mar 15, 2017 · 4b16a58 · 4b16a58
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commit 4b16a58
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diff --git a/lib/_stream_wrap.js b/lib/_stream_wrap.js
@@ -9,6 +9,8 @@ const uv = process.binding('uv');
 const debug = util.debuglog('stream_wrap');
 
 function StreamWrap(stream) {
+  // TODO(trevnorris): Track down everything that calls StreamWrap and make
+  // sure the trigger id is correctly set.
   const handle = new JSStream();
 
   this.stream = stream;