prettier-eslint failed when there is no local version

[melan0802]

• I have searched through existing issues
• I have read through docs
• I have read FAQ

Info

• Platform: Win
• Vetur version: 0.18.1
• VS Code version: 1.33.1

Problem

There is no err msg from Vue Language Server Output.

If there is no local version prettier-eslint, and extend in .eslintrc, the prettier-eslint in vetur won't work as expect.

Reproducible Case

1. prettier-eslint and work directory locate at totally diffrent directory
2. there is a extend: ["standard"] in .eslintrc

It seems like eslint try to lookup standard config by __dirname but prettier-eslint and work directory in totally diffrent directory