fix: renderer behavior with no children (#2078)

* fix: renderer behavior with no children

* [ci] Prettier fix

* Force CI

* fix: properly handle falsy values

* [ci] Prettier fix

* chore: force ci

* [experiment] netlify ignore

Co-authored-by: GitHub Action <github-action@users.noreply.github.com>

2 files changed, 6 insertions, 9 deletions

diff --git a/packages/renderers/renderer-svelte/Wrapper.svelte b/packages/renderers/renderer-svelte/Wrapper.svelte
index 78d4a402b..c1ee77d91 100644
--- a/packages/renderers/renderer-svelte/Wrapper.svelte
+++ b/packages/renderers/renderer-svelte/Wrapper.svelte
@@ -13,7 +13,7 @@ const { __astro_component: Component, __astro_children, ...props } = $$props;
 </script>
 
 <svelte:component this={Component} {...props}>
-  {#if __astro_children}
+  {#if __astro_children != null}
     <astro-fragment>
       {@html __astro_children}
     </astro-fragment>
diff --git a/packages/renderers/renderer-svelte/Wrapper.svelte.ssr.js b/packages/renderers/renderer-svelte/Wrapper.svelte.ssr.js
index 909e719fb..b866f0894 100644
--- a/packages/renderers/renderer-svelte/Wrapper.svelte.ssr.js
+++ b/packages/renderers/renderer-svelte/Wrapper.svelte.ssr.js
@@ -3,15 +3,12 @@ import { create_ssr_component, missing_component, validate_component } from 'sve
 
 const App = create_ssr_component(($$result, $$props, $$bindings, slots) => {
   const { __astro_component: Component, __astro_children, ...props } = $$props;
+  const children = {};
+  if (__astro_children != null) {
+    children.default = () => `<astro-fragment>${__astro_children}</astro-fragment>`;
+  }
 
-  return `${validate_component(Component || missing_component, 'svelte:component').$$render(
-    $$result,
-    Object.assign(props),
-    {},
-    {
-      default: () => `${__astro_children ? `<astro-fragment>${__astro_children}</astro-fragment>` : ``}`,
-    }
-  )}`;
+  return `${validate_component(Component || missing_component, 'svelte:component').$$render($$result, Object.assign(props), {}, children)}`;
 });
 
 export default App;