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fix: toStyleString omit nullish values (#8940)

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Co-authored-by: Bjorn Lu <bjornlu.dev@gmail.com>
Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>
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Marvin 2023-11-02 05:02:00 +08:00 committed by GitHub
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commit 937522fb70
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5
.changeset/long-roses-shave.md Normal file
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@ -0,0 +1,5 @@
---
"astro": patch
---
Omit nullish and falsy (non-zero) values when stringifying object-form `style` attributes in Astro files

1
packages/astro/src/runtime/server/render/util.ts
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@ -28,6 +28,7 @@ const kebab = (k: string) =>
k.toLowerCase() === k ? k : k.replace(/[A-Z]/g, (match) => `-${match.toLowerCase()}`);
const toStyleString = (obj: Record<string, any>) =>
Object.entries(obj)
.filter(([k, v]) => typeof v === 'string' && v.trim() || typeof v === 'number')
.map(([k, v]) => {
if (k[0] !== '-' && k[1] !== '-') return `${kebab(k)}:${v}`;
return `${k}:${v}`;