Astro Id Minifier

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library 0.0.3 ·javascript
verified Jun 4, 2026

An Astro integration plugin that minifies Astro's custom data attributes (data-astro-cid-*) used for style scoping, reducing HTML and CSS file sizes by replacing long attribute names with shorter alternatives. Current version is 0.0.3. It provides two modes: 'prefix' which produces valid data attributes (e.g., data-0), and 'maximum' which uses bare base-36 numbers (e.g., a). Unlike manual find-and-replace, this plugin automatically handles the mapping between original and minified attributes across all HTML and CSS files. Note: only works with static exports; SSR is not supported.