ionic serve fails (Promise is not defined) about ionic2-app-base HOT 7 CLOSED

Always at your service! I'm working now with transition from Angular/Ionic 1.x to Angular/Ionic 2, anything I think should be reported, will be reported.

from ionic2-app-base.

Hey @JuanjoSalvador thanks for the issue! How are you getting this error? I just ran each starter (with a fresh node_modules) on both the master & typescript branches without getting any errors.

from ionic2-app-base.

Well, it seems a common failure. I've created new project with ionic start MyApp blank --v2 --ts, and installed all dependencies with npm install.

When my app is ready to test, I just started it with ionic serve and... Then, I get this error:

Running 'serve:before' gulp task before serve
[18:28:32] Starting 'clean'...
[18:28:32] Finished 'clean' after 17 ms
[18:28:32] Starting 'watch'...
[18:28:32] Starting 'sass'...
[18:28:32] Starting 'html'...
[18:28:32] Starting 'fonts'...
[18:28:32] Starting 'scripts'...
[18:28:32] Finished 'scripts' after 76 ms
[18:28:32] Finished 'html' after 85 ms
[18:28:32] Finished 'fonts' after 93 ms
Caught exception:
 ReferenceError: Promise is not defined
    at LazyResult.async (/Users/linuxeitor/Documents/Ionic2/Ionic2SecondApp/node_modules/postcss/lib/lazy-result.js:157:31)
[...]

Looking for help, at StackOverflow and Ionic's 2 issues, I've found the same way to repair it, installing this node module and writing that in gulpfile.js

Now it works.

from ionic2-app-base.

Could you run node -v and npm -v and paste the output here, please?

$ node -v
v4.4.2

$ npm -v
3.8.5

from ionic2-app-base.

Mmmm. It could be node version. This is my job's computer and I can't update some things.

$ npm -v
3.8.9
$ node -v
v0.10.33

UPDATE

I've just updated node.js to v4.4.4 (damn homebrew! it says I've got 6.2.0!), created a new application using blank template and runned ionic serve and it works fine now.

Sorry for the inconveniences!

from ionic2-app-base.

Thanks for getting back to me! I think this is something we need to document better since there are so many issues with older versions of Node and 6.x, and older versions of npm have issues as well. I added an issue to add it to the installation docs but let me know if you have any other ideas!

ionic-team/ionic-site#612

from ionic2-app-base.

Awesome. Thank you! 😄

from ionic2-app-base.