vite: 2.4.2 /@vite/client Content-Type: text/html ERROR!!!

[Zk-Wu]

Describe the bug

After upgrading vite 2.4.2 version, the following error will appear in the chrome log：
client:1 Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of "text/html". Strict MIME type checking is enforced for module scripts per HTML spec.

Reproduction

Configure in the vite.config.js file:
resolve: { extensions: [], },
WTF！Just configure the'extensions' parameter and it will reproduce 100%

System Info

client:1 Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of "text/html". Strict MIME type checking is enforced for module scripts per HTML spec.

Used Package Manager

npm

Logs

client:1 Failed to load module script: Expected a JavaScript module script but the server responded with a MIME type of "text/html". Strict MIME type checking is enforced for module scripts per HTML spec.

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Make sure this is a Vite issue and not a framework-specific issue. For example, if it's a Vue SFC related bug, it should likely be reported to https://github.com/vuejs/vue-next instead.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.

[sodatea]

Duplicate of #4174 (comment)