Add command line option to write output to stdout

Adds the command line option pair -w/--write.
These options indicate that the output should be written to standard output,
rather than being posted to coveralls.io, which may be useful for debugging,
mixed-language codebases (e.g. node addons with C++ code) etc.

1 files changed, 15 insertions, 3 deletions

diff --git a/lib/sendToCoveralls.js b/lib/sendToCoveralls.js
index 38b37f7..f574997 100644
--- a/lib/sendToCoveralls.js
+++ b/lib/sendToCoveralls.js
@@ -8,9 +8,21 @@ var sendToCoveralls = function(obj, cb){
 
   var str = JSON.stringify(obj);
   var url = urlBase + '/api/v1/jobs';
-  request.post({url : url, form : { json : str}}, function(err, response, body){
-    cb(err, response, body);
-  });
+  
+  if (hasWriteToStdoutOption()) {
+    process.stdout.write(str);
+    cb(null, { statusCode: 200 }, '');
+  } else {
+    request.post({url : url, form : { json : str}}, function(err, response, body){
+      cb(err, response, body);
+    });
+  }
 };
 
+function hasWriteToStdoutOption(){
+    // look into command line arguments starting from index 2
+    return process.argv.slice(2).filter(RegExp.prototype.test.bind(/^(-w|--write)$/)).length > 0;
+}
+
+
 module.exports = sendToCoveralls;