Custom Elements not rendering since v1.4

[Coretteket]

What version of astro are you using?

1.4.1

Are you using an SSR adapter? If so, which one?

None

What package manager are you using?

npm

What operating system are you using?

Windows/StackBlitz

Describe the Bug

Since v1.4.0, Custom Elements do not render into the HTML output. In the StackBlitz example linked below using v1.3.1, you should see the text 'test', and be alerted on clicking it. Changing Astro to v1.4.0 (or 1.4.1) however, removes the custom-button from the output.

Link to Minimal Reproducible Example

https://stackblitz.com/edit/github-n3zm7f?file=src/components/Button.astro

Participation

• I am willing to submit a pull request for this issue.

[tforssander]

Moving the <script> tag below the <custom-button> element seems to fix the issue. I'm not sure why this is happening, but I'm guessing it has something to do with the way the script is being loaded.

[matthewp]

Sorry about this, we made some parser changes that might have caused this, checking now.