ts-test.js

const options = require(path.resolve(process.cwd(), 'src', 'tsconfig.json')).compilerOptions;
const tsOpts = ts.parseJsonConfigFileContent({ compilerOptions: options, files: [] }, null, null).options;
const tsFiles = glob.sync('**/*.ts', {
  cwd: path.resolve(process.cwd(), 'src')
});
const tsServiceHost = new ServiceHost(tsOpts, tsFiles, tsFiles);
const tsService = ts.createLanguageService(tsServiceHost, ts.createDocumentRegistry());
const output = tsFiles.map(file => {
  return tsService.getEmitOutput(file);
});

console.log(output[0]);

/* 
{ outputFiles: 
[ { name: '../dist/app.js.map',
   writeByteOrderMark: false,
   text: '{"version":3,"file":"app.js","sourceRoot":"/","sources":["app.ts"],"names":[],"mappings":";;;;;;;;;;;;;YAGA,mBAAS,CAAC,cAAO,EAAE,EAAE,CAAC,CAAC"}' },
 { name: '../dist/app.js',
   writeByteOrderMark: undefined,
   text: 'System.register([\'angular2/platform/browser\', \'./app/proj\'], function(exports_1, context_1) {\r\n    "use strict";\r\n    var __moduleName = context_1 && context_1.id;\r\n    var browser_1, proj_1;\r\n    return {\r\n        setters:[\r\n            function (browser_1_1) {\r\n                browser_1 = browser_1_1;\r\n            },\r\n            function (proj_1_1) {\r\n                proj_1 = proj_1_1;\r\n            }],\r\n        execute: function() {\r\n            browser_1.bootstrap(proj_1.ProjApp, []);\r\n        }\r\n    }\r\n});\r\n//# sourceMappingURL=../proj/app.js.map' } ],
  emitSkipped: false }
*/

Can you add ServiceHost source code too? thx :)