Nice!
I tweaked <http://jsbin.com/ririweqosepe/1/edit> this a bit to make it more
robust. Also create a handy bookmarklet
<https://gist.github.com/ebidel/cea24a0c4fdcda8f8af2>.
- adjusted to work with multiple-levels of shadow dom
- works with is="" custom elements
- el.constructor == HTMLElement returns false positives for <header> and
other elements, so I'm getting everything with
document.querySelectorAll('html /deep/ *') instead, then filtered on valid
custom element names.
On Wed, Sep 10, 2014 at 1:32 PM, Aleks Totic <[email protected]> wrote:
> I've just spent a couple of hours tracking down a layout bug that turned
> out to be a missing core-header-panel import. I am always nervous about
> missing imports when coding Polymer. So I wrote a little utility that
> reports unresolved HTML elements as errors. In case anyone else finds it
> useful, here is the script:
>
> function findUnknownElements(el) {
> if (el.constructor == HTMLElement)
> console.error("Found unknown element:", el);
> if (el.shadowRoot) {
> var every = el.shadowRoot.querySelectorAll('*');
> for (var i=0; i<every.length; i++)
> findUnknownElements(every[i]);
> }
> }
> document.addEventListener('polymer-ready', function() {
> var every = document.querySelectorAll('*');
> for (var i=0; i<every.length; i++)
> findUnknownElements(every[i]);
> });
>
> Follow Polymer on Google+: plus.google.com/107187849809354688692
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Follow Polymer on Google+: plus.google.com/107187849809354688692
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