Cannot read property 'startsWith' of undefined

[laolarou]

I set up my environment with Typescript + Nuxt + Vuetify, when I change the "lang" tag in the script node of the file "default.vue", it will cause the problem, However, it will not cause problems when I make the same change in the other files.

Here is my part of the package.json:

package.txt

And the nuxt.config.js:

nuxt.config.txt

Also the default.vue:

default.txt

Thanks!