I think a solution for Vue SFC performance.

Solution

change

typescript-eslint/typescript-eslint project

1. addfragment boolean option in@typescript-eslint/parser.
2. iffragment === true usecreateIsolatedProgram in@typescript-eslint/typescript-estree.

vue-eslint-parser project

1. if parse ScriptFragment, add fragment options to parserOptions.

Test result

I have 109 TypeScript files and 119 Vue SFC files in this tested project.

@typescript-eslint 2.6.0 && vue-eslint-parser 6.0.4:real 261.93user 306.04sys 5.10This Solution:real 13.04user 20.26sys 1.27

Test code project

yoyo930021/typescript-eslint#commit
yoyo930021/vue-eslint-parser#commit