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.

3 files changed, 22 insertions, 13 deletions

diff --git a/lib/getOptions.js b/lib/getOptions.js
index 144d0ad..78f1bf3 100644
--- a/lib/getOptions.js
+++ b/lib/getOptions.js
@@ -129,15 +129,11 @@ var getOptions = function(cb, _userOptions){
 
   getBaseOptions(function(err, options){
     // try to get filepath from the command-line
-    if (process.argv[2]) {
-      if (~['-v', '--verbose'].indexOf(process.argv[2])) {
-        if (process.argv[3]) {
-          options.filepath = process.argv[3];
-        }
-      } else {
-        options.filepath = process.argv[2];
-      }
-    }
+    // look into all command line arguments from index 2 which don't start with -
+    var firstNonOptionArgument = process.argv.slice(2).filter(RegExp.prototype.test.bind(/^[^-]/))[0];
+    
+    if (firstNonOptionArgument)
+      options.filepath = firstNonOptionArgument;
 
     // lodash or else would be better, but no need for the extra dependency
     for (var option in userOptions) {
diff --git a/lib/logger.js b/lib/logger.js
index 9c27e0b..a847a41 100644
--- a/lib/logger.js
+++ b/lib/logger.js
@@ -10,7 +10,8 @@ function getLogLevel(){
 }
 
 function hasVerboseCommandLineOption(){
-    return process.argv[2] && ~['-v', '--verbose'].indexOf(process.argv[2]);
+    // look into command line arguments starting from index 2
+    return process.argv.slice(2).filter(RegExp.prototype.test.bind(/^(-v|--verbose)$/)).length > 0;
 }
 
 function hasDebugEnvVariable(){
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;