Sample grunt file

gruntfile.js

module.exports = function(grunt) {
    grunt.initConfig({
        pkg: grunt.file.readJSON('package.json'),
        concat: {
            options: {
                separator: ";\n"
            },
            dist: {
                // the files to concatenate
                src: [
                    "src/Pii/EditorBundle/Resources/editorJs/editor.js",
                    "src/Pii/EditorBundle/Resources/editorJs/pii.base.js",
                    "src/Pii/EditorBundle/Resources/editorJs/pii.events.js",
                    "src/Pii/EditorBundle/Resources/editorJs/pii.fis-iframes.js",
                    "src/Pii/EditorBundle/Resources/editorJs/pii.workflow.js"
                ],
                dest: "src/Pii/EditorBundle/Resources/public/js/pii.editor.min.js"
            }
        },
        html2js_templating: {
            default_options : {
                options: {
                    shortNaming : true
                },
                files: {
                    "src/Pii/EditorBundle/Resources/public/js/template.js" : "src/Pii/EditorBundle/Resources/templates/*"
                }
            }
        }

    });

    grunt.loadNpmTasks('grunt-contrib-concat');
    grunt.loadNpmTasks('grunt-html2js-templating');

    grunt.registerTask('default', ['html2js_templating','concat']);

}