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Anthony LioandAli Waseem
7fb2e8cd42
## What kind of change does this PR introduce? bug fix alternative to #50492 ## What is the current behavior? [#50239](https://github.com/supabase/supabase/pull/50239) introduced repeated shiki grammar registration. duplicate injection rules accumulate between code blocks, slowing later tutorials enough to hit the 60-second build timeout ## What is the new behavior? - reuses one highlighter with all languages loaded once - restores previous highlighting approach + startup cost while keeping the page-size savings replay | before #50239 | after #50239 | this pr -- | -- | -- | -- cold, including initialization | 2.99 s | 6.96 s | 2.94 s warm | 0.37 s | 5.90 s | 0.36 s <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit ## Enhancements * Code blocks now preload syntax highlighting for all supported bundled languages, including SQL, Markdown, and TypeScript. * Highlighting uses a shared configuration and theme for consistent rendering across code blocks. * Concurrent code block renders share a single highlighter initialization. * Language handling and syntax-highlighted output are more consistent across supported, unsupported, aliased, and plain-text code blocks. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Ali Waseem <waseema393@gmail.com>
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