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Eleventy: Purge CSS for each html file
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| const { PurgeCSS } = require('purgecss'); | |
| /** | |
| * Remove any CSS not used on the page and inline the remaining CSS in the | |
| * <head>. | |
| * | |
| * @see {@link https://github.com/FullHuman/purgecss} | |
| */ | |
| eleventyConfig.addTransform('purge-and-inline-css', async (content, outputPath) => { | |
| if (process.env.ELEVENTY_ENV !== 'production' || !outputPath.endsWith('.html')) { | |
| return content; | |
| } | |
| const purgeCSSResults = await new PurgeCSS().purge({ | |
| content: [{ raw: content }], | |
| css: ['dist/css/style.css'], | |
| keyframes: true, | |
| }); | |
| return content.replace('<!-- INLINE CSS-->', '<style>' + purgeCSSResults[0].css + '</style>'); | |
| }); |
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| {% if site.environment === 'production' %} | |
| <!-- INLINE CSS--> | |
| {% else %} | |
| <link rel="stylesheet" href="/css/style.css"> | |
| {% endif %} |
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