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when use <script lang="tsx" setup> with template. HMR can not resolve import component using in template #22

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we125182 opened this issue Jun 26, 2022 · 8 comments
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feat: hmr p3-minor-bug 🔨 An edge case that only affects very specific usage (priority)

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@we125182
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Describe the bug

after project run. replace App.vue<script>code with follows

<script setup lang="tsx">
import { Search } from '@element-plus/icons-vue'
// import { Apple } from '@element-plus/icons-vue'

import RenderComp from './components/RenderComp'

const label = () => (<div>test</div>)
</script>

<template>
  <RenderComp :label="label" />
  <Search />
  <!-- <Apple /> -->
</template>

warning
only after the project running, import new component using in template. the problem appears.

Reproduction

https://stackblitz.com/edit/vitejs-vite-qrc4zw?file=src/App.vue

System Info

System:
    OS: macOS 11.6.5
    CPU: (8) x64 Apple M1
    Memory: 31.31 MB / 16.00 GB
    Shell: 5.8 - /bin/zsh
  Binaries:
    Node: 14.17.6 - /usr/local/bin/node
    Yarn: 1.22.11 - /usr/local/bin/yarn
    npm: 6.14.15 - /usr/local/bin/npm
  Browsers:
    Chrome: 103.0.5060.53
    Firefox: 95.0
    Safari: 15.4
  npmPackages:
    @vitejs/plugin-vue: ^2.3.3 => 2.3.3 
    @vitejs/plugin-vue-jsx: ^1.3.10 => 1.3.10 
    vite: ^2.9.12 => 2.9.12

Used Package Manager

pnpm

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No response

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@we125182
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video can see in issue vuejs/core#6171 (comment)

@sapphi-red sapphi-red added feat: hmr p3-minor-bug 🔨 An edge case that only affects very specific usage (priority) and removed pending triage labels Jun 27, 2022
@glitchboyl
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I found that the bug was caused by the Vite cache. I've tried if remove them and that can fixes the issue.
So i think that when it using <script setup> and the templates and scripts both has changed, it needs to re-cache.

If that solution is okay, I can try to pr it. 😄

@we125182
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@glitchboyl the issue is only show while using<script setup lang="tsx">. <script setup>is ok. maybe it was vue-jsx

@glitchboyl
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@we125182 Yeah, thank you for your complement. While using <script setup>, it didn't generate the cache but generate resolved everytime, I need to dig in and figure it out why.

@Preyou
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Preyou commented Sep 7, 2022

这个问题目前有解决方案吗?

@we125182
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we125182 commented Sep 17, 2022

@sapphi-red @patak-dev
it is similar with issue vitejs/vite#6568 and PR vitejs/vite#4563. the bug was caused by this line.
using <script setup lang="tsx"> in sfc file, while template code changed and affectedModules.has(mainModule) === false it will use prevDescriptor. because of this, script code changing was ignored.

// packages/plugin-vue/src/handleHotUpdate.ts
export async function handleHotUpdate(
  { file, modules, read, server }: HmrContext,
  options: ResolvedOptions
): Promise<ModuleNode[] | void> {
  ...
  const affectedModules = new Set<ModuleNode | undefined>()
  const mainModule = modules.find(
    (m) => !/type=/.test(m.url) || /type=script/.test(m.url)
  )
  const templateModule = modules.find((m) => /type=template/.test(m.url))

  if (hasScriptChanged(prevDescriptor, descriptor)) {
    let scriptModule: ModuleNode | undefined // TODO: this line should move out of block
    if (
      (descriptor.scriptSetup?.lang && !descriptor.scriptSetup.src) ||
      (descriptor.script?.lang && !descriptor.script.src)
    ) {
      const scriptModuleRE = new RegExp(
        `type=script.*&lang\.${
          descriptor.scriptSetup?.lang || descriptor.script?.lang
        }$`
      )
      scriptModule = modules.find((m) => scriptModuleRE.test(m.url))
    }
    affectedModules.add(scriptModule || mainModule)
  }

  if (!isEqualBlock(descriptor.template, prevDescriptor.template)) {
    // when a <script setup> component's template changes, it will need correct
    // binding metadata. However, when reloading the template alone the binding
    // metadata will not be available since the script part isn't loaded.
    // in this case, reuse the compiled script from previous descriptor.
    if (mainModule && !affectedModules.has(mainModule)) { // TODO: here should add condition: !affectedModules.has(scriptModule)
      setResolvedScript(
        descriptor,
        getResolvedScript(prevDescriptor, false)!,
        false
      )
    }
    affectedModules.add(templateModule)
    needRerender = true
  }

@patak-dev patak-dev transferred this issue from vitejs/vite Dec 3, 2022
@shendiid
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@sapphi-red @patak-dev it is similar with issue vitejs/vite#6568 and PR vitejs/vite#4563. the bug was caused by this line. using <script setup lang="tsx"> in sfc file, while template code changed and affectedModules.has(mainModule) === false it will use prevDescriptor. because of this, script code changing was ignored.

// packages/plugin-vue/src/handleHotUpdate.ts
export async function handleHotUpdate(
  { file, modules, read, server }: HmrContext,
  options: ResolvedOptions
): Promise<ModuleNode[] | void> {
  ...
  const affectedModules = new Set<ModuleNode | undefined>()
  const mainModule = modules.find(
    (m) => !/type=/.test(m.url) || /type=script/.test(m.url)
  )
  const templateModule = modules.find((m) => /type=template/.test(m.url))

  if (hasScriptChanged(prevDescriptor, descriptor)) {
    let scriptModule: ModuleNode | undefined // TODO: this line should move out of block
    if (
      (descriptor.scriptSetup?.lang && !descriptor.scriptSetup.src) ||
      (descriptor.script?.lang && !descriptor.script.src)
    ) {
      const scriptModuleRE = new RegExp(
        `type=script.*&lang\.${
          descriptor.scriptSetup?.lang || descriptor.script?.lang
        }$`
      )
      scriptModule = modules.find((m) => scriptModuleRE.test(m.url))
    }
    affectedModules.add(scriptModule || mainModule)
  }

  if (!isEqualBlock(descriptor.template, prevDescriptor.template)) {
    // when a <script setup> component's template changes, it will need correct
    // binding metadata. However, when reloading the template alone the binding
    // metadata will not be available since the script part isn't loaded.
    // in this case, reuse the compiled script from previous descriptor.
    if (mainModule && !affectedModules.has(mainModule)) { // TODO: here should add condition: !affectedModules.has(scriptModule)
      setResolvedScript(
        descriptor,
        getResolvedScript(prevDescriptor, false)!,
        false
      )
    }
    affectedModules.add(templateModule)
    needRerender = true
  }

Has it been resolved? Currently, there is still this problem.

@edison1105
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Closing as it can't reproduce with:

  "dependencies": {
    "vue": "3.5.8"
  },
  "devDependencies": {
    "@vitejs/plugin-vue": "5.1.4",
    "@vitejs/plugin-vue-jsx": " 4.0.1",
    "vite": "5.4.7",
  }

@edison1105 edison1105 closed this as not planned Won't fix, can't repro, duplicate, stale Sep 25, 2024
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