{
  // Spec directory path relative to the current working dir when jasmine is executed.
  "spec_dir": "spec",

  // Array of filepaths (and globs) relative to spec_dir to include and exclude
  "spec_files": [
    "**/*[sS]pec.js"
  ],

  // Array of filepaths (and globs) relative to spec_dir to include before jasmine specs
  "helpers": [
    "helpers/**/*.js"
  ],

  // Stop execution of a spec after the first expectation failure in it
  stopSpecOnExpectationFailure: false,

  // This is the random option I need on gruntfile
  random: false
}

module.exports = function(grunt) {
    grunt.initConfig({
         pkg: grunt.file.readJSON('package.json')
        ,jasmine : {
             myapp  : {
                 src   : ['src/**/*.js']
                ,options : {
                     specs : 'spec/**/*{s,S}pec.js'
                }
            }
        }
    });
    ...