I see. I will use noweb style for now.
But should tangle expand :var variables when tangling? I think this is the
correct behaviour.

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On Sun, Dec 24, 2017 at 11:40 PM, Grant Rettke <gcr@wisdomandwonder.com>
wrote:

> > Here is a quick test:
> >
> > * Test tangle will auto expand and substitute :var
> >
> > #+begin_src js :tangle kk.js
> > console.log("hello, world!");
> > #+end_src
> >
> > #+begin_src js :var name="chris" :tangle require-kk.js
> > // require("kk.js");
> > console.log("Hi, ", name);
> > #+end_src
> >
> > #+RESULTS:
> > : Hi,  chris
> >
> > #+NAME: check whether tangle expand and substitute :var
> > #+begin_src shell
> > cat require-kk.js
> > #+end_src
> >
> > #+RESULTS: check whether tangle expand and substitute :var
> > : var name="chris";
> > : console.log("Hi, ", name);
> >
> > The upper result should be: ~console.log("Hi, ", "chris");~.
>
> Here are your two source blocks. They each do literate programming,
> one with Variable style and the other with Noweb style. When you
> evaluate them you get an identical result. When you tangle them you
> get two different pieces of code, that generate the same result. You
> can peek at what the tangled code will look like by calling
> org-babel-expand-src-block inside the source block. That is how it
> will look in the tangled file. I think that want Noweb style.
>
> When I use the Variable approach like this
>
> #+begin_src js :var name="chris" :tangle kk.js
> console.log("Hi, ", name);
> #+end_src
>
> I get this in the tangled output file
>
> var name="chris";
> console.log("Hi, ", name);
>
> When I use the the Noweb approach like this
>
> #+NAME: name
> #+BEGIN_SRC emacs-lisp
> chris
> #+END_SRC
>
> #+NAME: org_gcr_2017-12-23_mara_3D887FDD-163D-4BE1-80E8-464BF29DABEA
> #+BEGIN_SRC js :tangle noweb-kk.js :comments no
> console.log("Hi, ", "«name»");
> #+END_SRC
>
> I get this in the tangled  output file
>
> console.log("Hi, ", "chris");
>
> WDYT?
>