A error [plugin:vite:vue-jsx] unknown: Unexpected token occurs during hot reload.

[ipcjs]

Related plugins

• plugin-vue

• plugin-vue-jsx

Describe the bug

Describe

This commit introduced a bug: c891652

When modifying a file containing a type used by defineProps, it throws a [plugin:vite:vue-jsx] unknown: Unexpected token (4:12) error.

Analyse

The key line of code should be this：

vite-plugin-vue/packages/plugin-vue/src/handleHotUpdate.ts

Lines 344 to 349 in 7fc7994

	invalidateScript(file)
	const mods = moduleGraph.getModulesByFile(file)
	if (mods) {
	const arr = [...mods]
	affected.add(getScriptModule(arr) || getMainModule(arr))
	}

It cleared the cache of the <script> block, but only reloaded the <script> block itself without reloading the entire Vue file. As a result, the load method couldn't read the <script> block.

Reproduction

https://github.com/ipcjs/vite-plugin-vue-type-dep-change-bug

Steps to reproduce

1. pnpm dev
2. Open the local dev page in the browser
3. Manually modify the return value of the Position.toString() method

System Info

System:
    OS: macOS 14.5
    CPU: (8) arm64 Apple M1
    Memory: 51.89 MB / 16.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.20.2 - /opt/homebrew/bin/node
    Yarn: 1.22.19 - /opt/homebrew/bin/yarn
    npm: 10.5.0 - /opt/homebrew/bin/npm
    pnpm: 8.15.4 - /opt/homebrew/bin/pnpm
    bun: 1.0.7 - /opt/homebrew/bin/bun
  Browsers:
    Chrome: 126.0.6478.127
    Safari: 17.5
  npmPackages:
    @vitejs/plugin-vue: ^5.0.5 => 5.0.5 
    @vitejs/plugin-vue-jsx: ^4.0.0 => 4.0.0 
    vite: ^5.3.1 => 5.3.3 

Used Package Manager

pnpm

Logs

Click to expand!

ipcjs@ipcjs-Mac-mini /Volumes/Data/github/@vue/demos/vue-jsx-bug (main*)
$ pnpm dev --debug

> [email protected] dev /Volumes/Data/github/@vue/demos/vue-jsx-bug
> vite "--debug"

  vite:config bundled config file loaded in 290.59ms +0ms
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  vite:config } +4ms
  vite:deps Hash is consistent. Skipping. Use --force to override. +0ms

  VITE v5.3.3  ready in 395 ms

  ➜  Local:   http://localhost:5173/
  ➜  Network: use --host to expose
  ➜  press h + enter to show help
  vite:time 2.20ms / +0ms
  vite:html-fallback Rewriting GET / to /index.html +0ms
  vite:time 27.18ms /index.html +52ms
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  vite:resolve 0.36ms /@vite/client -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/[email protected]_@[email protected]/node_modules/vite/dist/client/client.mjs +99ms
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  vite:hmr [self-accepts] src/components/HelloWorld.vue +189ms
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  vite:import-analysis 0.15ms [1 imports rewritten] src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +0ms
  vite:transform 67.86ms /src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +0ms
  vite:resolve 0.11ms ./base.css -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/assets/base.css +286ms
  vite:cache [304] /src/components/HelloWorld.vue?vue&type=style&index=0&scoped=e17ea971&lang.css +248ms
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  vite:cache [304] /src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +0ms
  vite:time 0.04ms /src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +0ms
  vite:resolve 0.39ms ./WelcomeItem.vue -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/WelcomeItem.vue +6ms
  vite:resolve 0.44ms ./icons/IconDocumentation.vue -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/icons/IconDocumentation.vue +0ms
  vite:resolve 0.45ms ./icons/IconTooling.vue -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/icons/IconTooling.vue +0ms
  vite:resolve 0.46ms ./icons/IconEcosystem.vue -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/icons/IconEcosystem.vue +0ms
  vite:resolve 0.47ms ./icons/IconCommunity.vue -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/icons/IconCommunity.vue +0ms
  vite:resolve 0.47ms ./icons/IconSupport.vue -> /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/icons/IconSupport.vue +0ms
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  vite:transform 88.14ms /src/components/TheWelcome.vue +9ms
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  vite:import-analysis 0.23ms [0 imports rewritten] src/assets/main.css +4ms
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  vite:time 306.80ms /src/assets/main.css +4ms
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  vite:transform 3.95ms /src/components/WelcomeItem.vue +6ms
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  vite:import-analysis 0.52ms [2 imports rewritten] src/components/icons/IconSupport.vue +3ms
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  vite:time 24.79ms /src/components/icons/IconSupport.vue +3ms
  vite:load 32.00ms [fs] /src/components/icons/IconEcosystem.vue +4ms
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  vite:time 3.92ms /src/assets/logo.svg +10ms
  vite:time 0.39ms /favicon.ico +71ms
  vite:hmr [file change] src/components/data.ts +4s
12:22:04 AM [vite] hmr update /src/components/HelloWorld.vue
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  vite:time 2.47ms /src/components/HelloWorld.vue +4s
  vite:load 2.59ms [fs] /src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +4s
12:22:04 AM [vite] Pre-transform error: unknown: Unexpected token (4:12)

  2 | import type { Position } from './data';
  3 |
> 4 | defineProps<{
    |             ^
  5 |   msg: string
  6 |   position?: Position
  7 | }>()
12:22:04 AM [vite] Pre-transform error: unknown: Unexpected token (4:12)

  2 | import type { Position } from './data';
  3 |
> 4 | defineProps<{
    |             ^
  5 |   msg: string
  6 |   position?: Position
  7 | }>() (x2)
  vite:load 0.26ms [fs] /src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +21ms
12:22:04 AM [vite] Internal server error: unknown: Unexpected token (4:12)

  2 | import type { Position } from './data';
  3 |
> 4 | defineProps<{
    |             ^
  5 |   msg: string
  6 |   position?: Position
  7 | }>()
  Plugin: vite:vue-jsx
  File: /Volumes/Data/github/@vue/demos/vue-jsx-bug/src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx:4:12
  2  |  import type { Position } from './data';
  3  |  
  4  |  defineProps<{
     |              ^
  5  |    msg: string
  6  |    position?: Position
      at constructor (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:351:19)
      at TypeScriptParserMixin.raise (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:3233:19)
      at TypeScriptParserMixin.unexpected (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:3253:16)
      at TypeScriptParserMixin.jsxParseIdentifier (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6586:12)
      at TypeScriptParserMixin.jsxParseNamespacedName (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6593:23)
      at TypeScriptParserMixin.jsxParseElementName (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6602:21)
      at TypeScriptParserMixin.jsxParseOpeningElementAt (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6678:22)
      at TypeScriptParserMixin.jsxParseElementAt (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6703:33)
      at TypeScriptParserMixin.jsxParseElementAt (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6715:32)
      at TypeScriptParserMixin.jsxParseElement (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6766:17)
      at TypeScriptParserMixin.parseExprAtom (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:6776:19)
      at TypeScriptParserMixin.parseExprSubscripts (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10568:23)
      at TypeScriptParserMixin.parseUpdate (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10551:21)
      at TypeScriptParserMixin.parseMaybeUnary (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10529:23)
      at TypeScriptParserMixin.parseMaybeUnary (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:9430:18)
      at TypeScriptParserMixin.parseMaybeUnaryOrPrivate (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10383:61)
      at TypeScriptParserMixin.parseExprOps (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10388:23)
      at TypeScriptParserMixin.parseMaybeConditional (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10365:23)
      at TypeScriptParserMixin.parseMaybeAssign (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10326:21)
      at /Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:9368:39
      at TypeScriptParserMixin.tryParse (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:3564:20)
      at TypeScriptParserMixin.parseMaybeAssign (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:9368:18)
      at TypeScriptParserMixin.parseExpressionBase (/Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modules/@babel/parser/lib/index.js:10280:23)
      at /Volumes/Data/github/@vue/demos/vue-jsx-bug/node_modules/.pnpm/@[email protected]/node_modu
... and 26 lines more
  vite:time 6.03ms /src/components/HelloWorld.vue?vue&type=script&setup=true&lang.tsx +29ms

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[gaoyuqing18]

I encountered the same error

[yesw6a]

same problem

[li2392679534]

same

[li2392679534]

After I tried to replace the tsx here with ts, the hot update no longer reported an error. Because I did not use the tsx syntax in my vue file, but I declared lang as tsx, so I changed it to ts and there was no error reported anymore.