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astro/packages/renderers/renderer-preact/static-html.js
Nate Moore 3df41d2308
Bugbash! (#263)
* fix(vscode): Markdown frontmatter should use TSX, not YAML

* test: add test for #153

* chore: bump deps

* chore: update to use @astrojs scope

* fix: Markdown parse error when only child is `{expression}`

* fix: update renderer edge cases

* fix: failing test

* fix: update renderer
2021-05-28 17:19:40 -05:00

24 lines
750 B
JavaScript

import { h } from 'preact';
/**
* Astro passes `children` as a string of HTML, so we need
* a wrapper `div` to render that content as VNodes.
*
* As a bonus, we can signal to Preact that this subtree is
* entirely static and will never change via `shouldComponentUpdate`.
*/
const StaticHtml = ({ value }) => {
if (!value) return null;
return h('astro-fragment', { dangerouslySetInnerHTML: { __html: value } });
};
/**
* This tells Preact to opt-out of re-rendering this subtree,
* In addition to being a performance optimization,
* this also allows other frameworks to attach to `children`.
*
* See https://preactjs.com/guide/v8/external-dom-mutations
*/
StaticHtml.shouldComponentUpdate = () => false;
export default StaticHtml;