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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import { promises as fsPromises } from 'fs'; | ||
| import { basename, dirname, join, resolve } from 'path'; | ||
| import { parseDocument } from 'htmlparser2'; | ||
| import { load } from 'cheerio'; | ||
| import { render } from 'dom-serializer'; | ||
| import { logger } from '../../utils.mjs'; | ||
|
|
||
| export default (nuxt, disableNuxtCritters = true) => | ||
| nitro => { | ||
| nitro.hooks.hook('prerender:generate', async route => { | ||
| if (!route.fileName?.endsWith('.html') || !route.contents) { | ||
| return; | ||
| } | ||
|
|
||
| const document = parseDocument(route.contents); | ||
| const $ = load(document); | ||
|
|
||
| $('[rel="modulepreload"][as="script"]').remove(); | ||
| $('[rel="prefetch"][as="script"]').remove(); | ||
|
|
||
| $('[rel="preload"][as="style"]').remove(); | ||
| $('[rel="prefetch"][as="style"]').remove(); | ||
|
|
||
| // embed css files | ||
| try { | ||
| const css = await Promise.all( | ||
| Array.from($('link[rel="stylesheet"]')) | ||
| .map(el => $(el)) | ||
| .map(async $el => { | ||
| const dir = dirname($el.attr('href')); | ||
|
|
||
| // https://nuxt.com/docs/guide/directory-structure/output | ||
| const publicDir = join( | ||
| nuxt.options.rootDir, | ||
| '.output/public', | ||
| nuxt.options.vite.build.assetsDir | ||
| ); | ||
| const filepath = join(publicDir, basename($el.attr('href'))); | ||
| const fileContent = await fsPromises.readFile(filepath, 'utf-8'); | ||
|
|
||
| let urls = getUrlValues(fileContent); | ||
| urls = prepareUrls(urls, dir); | ||
|
|
||
| if (disableNuxtCritters) { | ||
| const css = urls.reduce( | ||
| (result, [a, b]) => result.replace(a, b), | ||
| fileContent | ||
| ); | ||
|
|
||
| $el.remove(); | ||
| logger.info( | ||
| `Embed CSS File \`${basename($el.attr('href'))}\`; Route: \`${ | ||
| route.route | ||
| }\`` | ||
| ); | ||
| return css; | ||
| } else { | ||
| const matches = fileContent.match( | ||
| /\/\*! speedkit-font-faces start \*\/(.*)\/\*! speedkit-font-faces end \*\// | ||
| ); | ||
| if (matches) { | ||
| logger.info( | ||
| `Embed Font-Faces CSS \`${basename( | ||
| $el.attr('href') | ||
| )}\`; Route: \`${route.route}\`` | ||
| ); | ||
| return matches[1].replace(/url\(.\//g, `url(${dir}/`); | ||
| } | ||
| } | ||
| }) | ||
| ); | ||
| if (css.length) { | ||
| $('head').append(`<style>${css.join('')}</style>`); | ||
| } | ||
| } catch (error) { | ||
| logger.error("can't embed css file.", error); | ||
| } | ||
|
|
||
| route.contents = render(document); | ||
| }); | ||
| }; | ||
|
|
||
| function getUrlValues(css) { | ||
| return css.match(/url\(([^)]+)\)/g); | ||
| } | ||
|
|
||
| function prepareUrls(urls, relativeDir) { | ||
| return urls | ||
| .map(url => { | ||
| const value = url | ||
| .trim() | ||
| .replace(/^url\((.*)\)$/, '$1') | ||
| .trim(); | ||
| if (value.startsWith('http') || value.startsWith('data')) { | ||
| return false; | ||
| } | ||
| return [url, `url(${resolve(relativeDir, value)})`]; | ||
| }) | ||
| .filter(Boolean); | ||
| } | ||
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