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astro/.changeset/large-zebras-sniff.md
Bjorn Lu 560ef15ad2
Refactor createShikiHighlighter (#11825)
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
2024-09-02 21:08:25 +08:00

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'astro': major
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Updates internal Shiki rehype plugin to highlight code blocks as hast (using Shiki's `codeToHast()` API). This allows a more direct Markdown and MDX processing, and improves the performance when building the project, but may cause issues with existing Shiki transformers.
If you are using Shiki transformers passed to `markdown.shikiConfig.transformers`, you must make sure they do not use the `postprocess` hook as it no longer runs on code blocks in `.md` and `.mdx` files. (See [the Shiki documentation on transformer hooks](https://shiki.style/guide/transformers#transformer-hooks) for more information).
Code blocks in `.mdoc` files and `<Code />` component do not use the internal Shiki rehype plugin and are unaffected.