migrating to Polymer 1.0

0
votes

I am trying to migrate to Polymer 1.0 and getting so many errors! I have followed the migration guide, and I think I got everything.

The first weird thing is that all the content loads twice, one copy above the other. All the JS on the page runs twice as well.

Another error I am getting is "Uncaught TypeError: t.log.split is not a function". Also lots of "[iron-icon::_updateIcon]: could not find iconset icons, did you import the iconset?" even though I have definitely imported iron-icons before iron-iconset.

I know this question is way too general, but does anyone have a suggestion of how to debug these kinds of issues?

1
polymermigrate
"Too general" is actually one of the reasons a question can be closed on this site. My general advice is to start removing things until you are able to isolate the problem, then either fix it, or post a specific question here if you're stuck. This page has some pretty good advice on that topic. - Ajedi32
I would suggest what @Ajedi32 says already but since you have posted one specific error "could not find iconset icons, did you import the iconset?", please check if you have specifically imported iron-icons/iron-icons.html. In 0.5, if you import core-icon or paper-icon-button, they automatically imported iron-icons.html, but you have to import it specifically in 1.0 - Aravind
Actually I am getting the same issue too, [iron-icon::_updateIcon]: could not find iconset `social`, did you import the iconset?. I have all the imports that are necessary included in my head. I am using a Meteor project and trying to migrate to 1.0. If I find a solutions, I will let you know. Using the WebComponentsReady event before displaying the template did make the icon appear, but caused other issues. Happy migration..better start building the layout again from scratch - Mattijs
An easy way to migrate the layout @Mattijs is to import iron-flex-layout.html, and just make all your Polymer0.5 layout attributes into class names. The only differences I came across are "flex one" becomes "flex-1" and "layout vertical reverse" becomes "layout vertical-reverse" - user11410

1 Answers

1
votes

Ah, you just have to import the html files in the right order:

<link rel="import" href="../bower_components/iron-iconset/iron-iconset.html">
<link rel="import" href="../bower_components/iron-icons/iron-icons.html">
<link rel="import" href="../bower_components/iron-icon/iron-icon.html">