html code send to prism-highlighter is parsed by polymer about prism-element

[TimvdLippe]

This is also happening with bindings inside <script type="text/markdown">.

[masonlouchart]

In my case, when I wait a few seconds before passing my HTML to Prism it is not parsed by Polymer. I guess Prism is not ready the first time my element renders and the source code I want to be highlighted is passed.

Workaround: wait 50ms at least for the 1st render.

setTimeout(() => {
    parent.dispatchEvent(event);
    output.innerHTML = event.detail.code;
}, 50);