Does not work with babel-register and babel-polyfill

[Morriz]

If I do a
node -r babel-register -r babel-polyfill node_modules/.bin/micro -p 3000 src/index.js
I still get errors about import/export statements:

micro: Error when importing ...
(function (exports, require, module, __filename, __dirname) { import ...
                                                              ^^^^^^

And yes, transpiling works (with preset-node6):
babel src --out-dir build

Any idea what might cause this?

[Morriz]

I believe it's a poor choice to go with async-to-gen, as it does not play nice with other extensions. I contacted the author and suggested to become part of the babel solution:

leebyron/async-to-gen#15

Please make micro so it plays well with babel! async-to-gen does not have to become part of your build distribution, so something like the previous -no-babel should be made into --no-transform (or something that makes more sense), not doing any transforms on the fly.

And why remove the babel dependency if most of the javascript programmers use it?

[amio]

Maybe when Node.js 7.0 is out, which won't be too long, this problem could be solved.

[timneutkens]

@amio Seems like Lee Byron worked on a solution in async-to-gen: leebyron/async-to-gen#15 (comment)

[amio]

Cool, thanks @timneutkens

[timneutkens]

@amio @Morriz #114 was just merged which checks for async before executing async-to-gen's register. This will allow you to use node 7 with --harmony-async-await also leebyron/async-to-gen#15 was merged. This ticket can be closed 👍

[zachariahtimothy]

Apologies if this is a dumb question, but I am still unclear how to use Micro with babel. Any tips on setting it up? I have tried several solutions and nothing seems to work. Thanks in advance!

[aboutlo]

@zachariahtimothy

@zachariahtimothy I got micro working with babel with these scripts in the package.json
"start": "node -r babel-register ./node_modules/.bin/micro src",

Below the settings, I used to deploy via now

"scripts": {
    "build": "babel -d build src",
    "start": "node -r babel-register ./node_modules/.bin/micro src",
    "now-start": "micro build"
  },