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import { minify } from 'html-minifier-terser'
import { building } from '$app/environment'
const minification_options = {
collapseBooleanAttributes: true,
collapseWhitespace: true,
conservativeCollapse: true,
decodeEntities: true,
html5: true,
ignoreCustomComments: [/^#/],
minifyCSS: true,
minifyJS: true,
minifyURLs: true,
removeAttributeQuotes: true,
removeComments: false, // some hydration code needs comments, so leave them in
removeOptionalTags: true,
removeRedundantAttributes: true,
removeScriptTypeAttributes: true,
removeStyleLinkTypeAttributes: true,
sortAttributes: true,
sortClassName: true,
}
/** @type {import('@sveltejs/kit').Handle} */
export async function handle({ event, resolve }) {
let page = ''
return resolve(event, {
transformPageChunk: ({ html, done }) => {
page += html
if (done) {
return building ? minify(page, minification_options) : page
}
},
})
}
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