fix: move recursive renderChildren call after appendChild

[dwirz]

Hi there @luwes, first of all very nice project it helped us a lot with SSR our web components within a Next.js app directory project. 🎉

What I encountered is if we have web components which use the <slot>-element within another web components <slot>-element the react renderChildren function gets somehow stucked in an infinite loop. I was able to fix it by moving the recursive call of renderChildren after the appendChild call.

Since our code is on our customers private repository i can't provide you with some reproduction code.

Dummy codewise it looks something like this:

// React JSX
return (<CustomDropdown text="Dropdown" hint="Hint" label="Label" ref={ref}>
    <CustomFlyout> // slot of custom-dropdown web component
      <CustomFlyoutItem item="item-1" label="Item 1" /> // slot of custom-flyout web component
      <CustomFlyoutItem item="item-2" label="Item 2" /> // slot of custom-flyout web component
      <CustomFlyoutItem item="item-3" label="Item 3" /> // slot of custom-flyout web component
      <CustomFlyoutItem item="item-4" label="Item 4" /> // slot of custom-flyout web component
    </CustomFlyout>
  </CustomDropdown>);

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[luwes]

thank you! I will try to review this week

[dwirz]

Hello @luwes

it was easier for me to copy your code and adapt it to our needs in our monorepo. Since we are developing our Web Components with Stencil.js and there are two changes (#4914 and #4916) in their code that we need, I created a minimal reproduction repository.

My version of your code is here ./packages/web-components-react-wrapper/lib. The main changes are the ones I described in this PR and PR #4, see .../lib/client/render.ts#L27. Additionally, I added a renderCustomElements that renders all of our custom elements that are inside the React Wrapped Web component.

If you have any questions/ideas/feedback, let me know 🙂 .

IMO you can close this PR and the other one if you don't need my changes.

Thanks a lot for your work

[luwes]

All good! I'm glad the project is useful to you.

This PR LGTM! Will merge it in.