install

support webpack 4x

npm i @jarzzzi/resourcehints-webpack-plugin --save-dev

plugin options

• excludeHtml
  • {Array}|undefined
  • 排除的 html 页面
• exclude
  • {Array}|undefined
  • 排除的 chunk
• includ
  • string|{Array}|undefined
  • all
  • initial
  • async
  • 指定的 chunk
• rel
  • string
  • dns-prefetch
  • preconnect
  • preload
  • prefetch
• as
  • string
  • image, font, style, script, fetch, audio, video, worker, document, object, embed, track
  • 相应的 as

about resource hints

• dns-prefetch： 提前解析 dns
• preconnect： 提前链接
• preload： 提前加载当前页面资源
• prefetch： 当前页面空闲时，提前加载下一页面资源
• prerender： chrome 已废弃
• subresource： chrome 已废弃

demo

new ResourceHitWebpackPlugin({
  rel: 'dns-prefetch',
  include: [
    '//www.baidu.com',
  ],
}),
new ResourceHitWebpackPlugin({
  rel: 'preconnect',
  include: [
    '//www.baidu.com',
  ],
}),
new ResourceHitWebpackPlugin({
  rel: 'prefetch',
  exclude: ['chunk-one'],
}),
new ResourceHitWebpackPlugin({
  rel: 'preload',
  include: 'async',
  exclude: ['chunk-one'],
}),
new ResourceHitWebpackPlugin({
  rel: 'preload',
  include: 'initial',
  exclude: ['chunk-one'],
  excludeHtml: ['demo-page'],
}),
new ResourceHitWebpackPlugin({
  rel: 'preload',
  include: 'all',
  exclude: ['chunk-one'],
  excludeHtml: ['demo-page'],
}),
new ResourceHitWebpackPlugin({
  rel: 'preload',
  as: 'script',
  include: ['vendor', 'polyfill', 'common-lib'],
}),
new ResourceHitWebpackPlugin({
  rel: 'preload',
  as: 'font',
  include: ['yahei'],
}),