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Nuxt bridge - On ssr no css is inlined which causes page style flicker #159

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michaelsaprykin opened this issue Feb 3, 2022 · 7 comments
Open

Nuxt bridge - On ssr no css is inlined which causes page style flicker #159

michaelsaprykin opened this issue Feb 3, 2022 · 7 comments

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@michaelsaprykin
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michaelsaprykin commented Feb 3, 2022 •
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Describe the bug
A clear and concise description of what the bug is.

To Reproduce
Steps to reproduce the behavior:

  1. Clone repository windicss-nuxt-bridge-reproduction
  2. Run commands
yarn install
yarn build
yarn start
  1. See error on http://localhost:3000

Expected behavior
Used css should be inlined on server side to prevent styles flickering on html rendering.
You'll see a red page, in center white text and three colored boxes without flickering.

Screenshots
Initial paint:
Знімок екрана 2022-02-03 о 14 43 14

After windi styles injected:
Знімок екрана 2022-02-03 о 14 43 23

Additional context
package.json deps versions

"dependencies": {
    "core-js": "^3.19.3",
    "nuxt-edge": "latest",
    "vue": "^2.6.14",
    "vue-server-renderer": "^2.6.14",
    "vue-template-compiler": "^2.6.14",
    "webpack": "^4.46.0"
  },
  "devDependencies": {
    "@nuxt/bridge": "npm:@nuxt/bridge-edge",
    "@nuxt/types": "^2.15.8",
    "@nuxt/typescript-build": "^2.1.0",
    "nuxt-windicss": "^2.2.4"
  }

SSR generated html ( no injected windi styles )

<!DOCTYPE html>
<html lang="en" data-n-head="%7B%22lang%22:%7B%22ssr%22:%22en%22%7D%7D">
   <head >
      <title>windi-bridge-reproduction</title>
      <meta data-n-head="ssr" charset="utf-8">
      <meta data-n-head="ssr" name="viewport" content="width=device-width, initial-scale=1">
      <meta data-n-head="ssr" data-hid="description" name="description" content="">
      <meta data-n-head="ssr" name="format-detection" content="telephone=no">
      <link data-n-head="ssr" rel="icon" type="image/x-icon" href="/favicon.ico">
      <link rel="preload" href="/_nuxt/1f241e1.js" as="script">
      <link rel="preload" href="/_nuxt/4505b07.js" as="script">
      <link rel="preload" href="/_nuxt/687fcb5.js" as="script">
      <link rel="preload" href="/_nuxt/c61538a.js" as="script">
      <link rel="preload" href="/_nuxt/556693f.js" as="script">
      <link rel="prefetch" href="/_nuxt/b2f682b.js">
      <link rel="prefetch" href="/_nuxt/eb76f2f.js">
      <style data-vue-ssr-id="20c5f194:0,2838a372:0">.nuxt-progress{position:fixed;top:0;left:0;right:0;height:2px;width:0;opacity:1;transition:width .1s,opacity .4s;background-color:#000;z-index:999999}.nuxt-progress.nuxt-progress-notransition{transition:none}.nuxt-progress-failed{background-color:red}
         body,html{height:100%}
      </style>
   </head>
   <body >
      <div data-server-rendered="true" id="__nuxt">
         <!---->
         <div id="__layout">
            <div class="bg-red-300 w-full flex flex-col h-screen items-center justify-center px-4 py-4">
               <p class="text-white text-2xl">Should be initially white</p>
               <div class="flex mt-4">
                  <div class="h-8 w-8 bg-green-400 mr-2"></div>
                  <div class="h-8 w-8 bg-blue-400 mr-2"></div>
                  <div class="h-8 w-8 bg-yellow-400"></div>
               </div>
            </div>
         </div>
      </div>
      <script>window.__NUXT__=(function(a,b,c){return {layout:"default",data:[{}],fetch:{},error:c,serverRendered:true,routePath:a,config:{_app:{basePath:a,assetsPath:b,cdnURL:c,buildAssetsDir:b,baseURL:a},app:{basePath:a,assetsPath:b,cdnURL:c,buildAssetsDir:b,baseURL:a}},_asyncData:{},_errors:{}}}("\u002F","\u002F_nuxt\u002F",null))</script><script src="/_nuxt/1f241e1.js" defer></script><script src="/_nuxt/4505b07.js" defer></script><script src="/_nuxt/687fcb5.js" defer></script><script src="/_nuxt/c61538a.js" defer></script>
   </body>
</html>
@michaelsaprykin michaelsaprykin mentioned this issue Feb 4, 2022
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@michaelsaprykin
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That's possibly a Nuxt bridge issue
nuxt/bridge#26

@AndrewBogdanovTSS
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any update regarding this issue?

@harlan-zw
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Hey, we need this PR merged and it should fix it nuxt/framework#7160

@AndrewBogdanovTSS
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@harlan-zw the PR was merged but I still see the issue when nitro is enabled. My info

Nuxt project info:

------------------------------
- Operating System: `Windows_NT`
- Node Version:     `v16.14.0`
- Nuxt Version:     `2.16.0-27711384.54e852f`
- Package Manager:  `[email protected]`
- Builder:          `webpack`
- User Config:      `alias`, `autoImports`, `bridge`, `build`, `buildModules`, `componen
ts`, `head`, `modules`, `plugins`, `polyfill`, `privateRuntimeConfig`, `publicRuntimeCon
fig`, `pwa`, `router`, `screen`, `storybook`, `svgSprite`, `windicss`, `serverHandlers`,
 `devServerHandlers`- Runtime Modules:  `@nuxtjs/[email protected]`, `vue-screen/nuxt`   
- Build Modules:    `()`, `[email protected]`, `@pinia/[email protected]`, `@vueuse/[email protected].
0`, `@nuxt/[email protected]`
------------------------------

@AndrewBogdanovTSS AndrewBogdanovTSS mentioned this issue Sep 13, 2022
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@mhdSid
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mhdSid commented Aug 30, 2023

Im facing similar issue with Nuxt3.
I have ran an experiment with similar page being ran under two nuxt versions: v3.x (latest), v.2.15.8
v3.6.5 has issue with inlining scss on ssr so it causes the page to flicker

@mhdSid
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mhdSid commented Aug 31, 2023

Fixed form my side by adding optimization level to the css

@AndrewBogdanovTSS
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@mhdSid could you provide more details on your configuration?

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4 participants
@AndrewBogdanovTSS @harlan-zw @mhdSid @michaelsaprykin