Added support for task arguments

…when task name is specified. It is not currently possible to support arguments without a task because argv[2] was hard-coded to be the task name. If it were defined as “--arg”, it would treat that as the task name.

fixes M-Zuber#37

cli.js

@@ -7,7 +7,7 @@ var pathVarName = (windows && !('PATH' in process.env)) ? 'Path' : 'PATH'
 process.env[pathVarName] += path.delimiter + path.join(__dirname, 'node_modules', '.bin')
 
 var watchPackage = require('./watch-package')
-var watcher = watchPackage(process.argv[3] || process.cwd(), process.exit, process.argv[2])
+var watcher = watchPackage(process.cwd(), process.exit, process.argv[2], process.argv.slice(3))
 
 process.stdin.pipe(watcher)
 watcher.stdout.pipe(process.stdout)

watch-package.js

@@ -11,7 +11,7 @@ var nodemon = process.platform === 'win32' ? 'nodemon.cmd' : 'nodemon';
 var pkgDir = '';
 var stdin = null;
 
-module.exports = function watchPackage(_pkgDir, exit, taskName) {
+module.exports = function watchPackage(_pkgDir, exit, taskName, args) {
   pkgDir = _pkgDir;
   var pkg = require(path.join(pkgDir, 'package.json'))
   var processes = {}
@@ -50,7 +50,7 @@ module.exports = function watchPackage(_pkgDir, exit, taskName) {
     if (!pkg.scripts[taskName]) {
       die('No such script "' + taskName + '"', 2)
     }
-    startScript(taskName, pkg, processes);
+    startScript(taskName, pkg, processes, args);
   } else {
 
   Object.keys(pkg.watch).forEach(function (script) {
@@ -85,8 +85,11 @@ function prefixer(prefix) {
   })
 }
 
-function startScript(script, pkg, processes) {
-  var exec = [npm, 'run', '-s', script].join(' ')
+function startScript(script, pkg, processes, args) {
+  if (args[0] !== '--') {
+    args.unshift('--');
+  }
+  var exec = [npm, 'run', '-s', script].concat(args).join(' ')
     var patterns = null
     var extensions = null
     var ignores = null