Gruntfile.js

module.exports = function (grunt) {

    // Project configuration.
    grunt.initConfig({
        clean: {
            all: ["coverage"]
        },
        "jasmine_node": {
            options:{
                forceExit: true 
            },
            instrumented: ["./coverage/instrument/spec"],
            specs: ["./spec"]
        },

        // start - code coverage settings

        env: {
            coverage: {
                APP_DIR_FOR_CODE_COVERAGE: '../coverage/instrument/lib/'
            }
        },


        clean: {
            coverage: {
                src: ['coverage/']
            }
        },


        instrument: {
            files: ['lib/*.js', 'spec/*.js'],
            options: {
                lazy: true,
                basePath: 'coverage/instrument/'
            }
        },


        storeCoverage: {
            options: {
                dir: 'coverage/reports'
            }
        },


        makeReport: {
            src: 'coverage/reports/**/*.json',
            options: {
                type: 'lcov',
                dir: 'coverage/reports',
                print: 'detail'
            }
        },

        // end - code coverage settings

        coveralls: {
            test: {
                // LCOV coverage file relevant to every target
                src: 'coverage/reports/lcov.info',

                // When true, grunt-coveralls will only print a warning rather than
                // an error, to prevent CI builds from failing unnecessarily (e.g. if
                // coveralls.io is down). Optional, defaults to false.
                force: false
            }
        }
    });

    grunt.loadNpmTasks('grunt-contrib-clean');

    grunt.loadNpmTasks('grunt-jasmine-node');

    grunt.loadNpmTasks('grunt-istanbul');

    grunt.loadNpmTasks('grunt-env');

    grunt.loadNpmTasks('grunt-coveralls');

    // Default task(s).
    grunt.registerTask('default', ['clean', 'jasmine_node:specs']);

    grunt.registerTask('heroku', 'default');

    grunt.registerTask('coverage', ['clean', 'env:coverage',
        'instrument', 'jasmine_node:instrumented', 'storeCoverage', 'makeReport', 'coveralls:test']);
};