TypeScript Error: An import path cannot end with a '.ts' extension

[M6stafa]

When i run npm run serve program run and work correctly but in terminal i see these error from typescript:

if i delete the extension, the linter show these errors:

the .eslintrc:

the template created with @vue/cli@3.0.0-beta.1.
I test with typescript 2.6.2 too but got same error.

[vue-bot]

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