gruntfile.js

module.exports = function (grunt) {
    "use strict";

    grunt.initConfig({
        ts: {
            app: {
                tsconfig: true, // grab grunt configuration from tsconfig.json
            }
        },
        tslint: {
            options: {
                configuration: 'tslint.json'
            },
            app: {
                src: ['src/**/*.ts']
            }
        },
        watch: {
            ts: {
                files: ['src/**/*.ts'],
                tasks: ['newer:tslint:app', 'ts:app'],
                options: {
                    spawn: false
                }
            }
        },
        copy: {
            envfile: {
                files: [
                    {
                        src: ['.env'],
                        dest: './dist',
                        cwd: '../',
                        expand: true
                    }
                ]
            },
        },
    });

    grunt.loadNpmTasks("grunt-contrib-watch");
    grunt.loadNpmTasks("grunt-contrib-copy");
    grunt.loadNpmTasks("grunt-ts");
    grunt.loadNpmTasks("grunt-tslint");
    grunt.loadNpmTasks('grunt-newer');


    grunt.registerTask("default", [
        "tslint:app",
        "ts:app",
        "copy"
    ]);

};