Typescript gruntfile

Gruntfile.js

var grunt = require('grunt');

grunt.loadNpmTasks('grunt-typescript');

grunt.initConfig({
    typescript: {
      base: {
        src: ['path/to/typescript/files/**/*.ts'],
        dest: 'where/you/want/your/js/files',
        options: {
          module: 'amd', //or commonjs
          target: 'es5', //or es3
          base_path: 'path/to/typescript/files',
          sourcemap: true,
          fullSourceMapPath: true,
          declaration: true,
        }
      }
    }
});