Ionic 2 - Importing from Angular2


Hi all,

feeling a bit dumb dumb :smile:

I’ve created a new file under www/app/services/test-service.ts

I’m stuck at a very simple line:

import {Http, HTTP_PROVIDERS} from ‘angular2/http’;

Getting the following error:

cannot compile modules unless the ‘–module’ flag is provided

Any idea what is happening? Thanks folks!


It’s probably a config error in your tsconfig.json, webpack.config.js, ionic.config.js or gulpfile.js, can you put a gist to them to be able to debug a bit?


Hey thanks for the reply!

Playing around a bit found it it raises that error for each file that is not imported anywhere (an unused file).
Once I import it then code completion and type checking starts working.

Seems to be mainly an IDE bug.

Thanks again


Soo are you using an IDE and using it to compile the code? i use the CLI to serve and compile and in some point in time i had this error, so it shouldn’t be an issue with the IDE.


I had the same problem as him and in my case was the tsconfig.json.

There is a parameter called files like so:

“files”: [

or something like that. Well it was showing the whole file with green squiggly lines (VS Code) and after deleting that parameter everything worked perfectly after I restarted VS Code.

current tsconfig file:

“compilerOptions”: {
“target”: “es5”,
“module”: “commonjs”,
“noEmitOnError”: false,
“rootDir”: “.”,
“emitDecoratorMetadata”: true,
“experimentalDecorators”: true,
“sourceMap”: false,
“sourceRoot”: “”,
“inlineSourceMap”: false,
“inlineSources”: false
“exclude”: [
“compileOnSave”: false


I had the same issue. Removing the files property seemed to do the trick for me as well. I wonder if that is needed for anything?



  • By invoking tsc with no input files, in which case the compiler searches for the tsconfig.json file starting in the current directory and continuing up the parent directory chain.

  • By invoking tsc with no input files and a -project (or just -p) command line option that specifies the path of a directory containing a tsconfig.json file.