Check for existence of process object

nodejs · Jun 20, 2019 · fd4dda7 · fd4dda7
1 parent b3cf9b1
commit fd4dda7
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
@@ -556,7 +556,7 @@ Readable.prototype.pipe = function (dest, pipeOpts) {
   state.pipesCount += 1;
   debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);
 
-  var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr;
+  var doEnd = (!pipeOpts || pipeOpts.end !== false) && !isStdStream(dest);
 
   var endFn = doEnd ? onend : unpipe;
   if (state.endEmitted) pna.nextTick(endFn);else src.once('end', endFn);
@@ -1016,4 +1016,12 @@ function indexOf(xs, x) {
     if (xs[i] === x) return i;
   }
   return -1;
-}
+}
+
+function isStdStream(stream) {
+  if (typeof process === 'undefined') {
+    return false;
+  } else {
+    return (stream === process.stdout || stream === process.stdin);
+  }
+}
diff --git a/lib/_stream_writable.js b/lib/_stream_writable.js
@@ -54,7 +54,7 @@ function CorkedRequest(state) {
 /* </replacement> */
 
 /*<replacement>*/
-var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : pna.nextTick;
+var asyncWrite = (typeof process !== 'undefined') && !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : pna.nextTick;
 /*</replacement>*/
 
 /*<replacement>*/
@@ -684,4 +684,4 @@ Writable.prototype._undestroy = destroyImpl.undestroy;
 Writable.prototype._destroy = function (err, cb) {
   this.end();
   cb(err);
-};
+};