standard + typescript recipe fails with "<symbol> not defined." for TS interfaces

[cdaringe]

teeny tiny super fast example to reproduce: https://standardjs.com/#can-i-use-a-javascript-language-variant-like-flow-or-typescript

What version of standard?

8.x

What operating system, Node.js, and npm version?

10.8.x, yarn 1.9

What did you expect to happen?

• no errors

What actually happened?

• errors

tw-cdaringe:typescript-standard-biff-city cdieringer$ yarn lint
yarn run v1.9.0-20180706.1003
$ standard '**/src/**/*.ts'
standard: Use JavaScript Standard Style (https://standardjs.com)
  /Users/cdieringer/node/typescript-standard-biff-city/src/index.ts:1:18: 'Obama' is not defined.
  /Users/cdieringer/node/typescript-standard-biff-city/src/index.ts:2:3: 'phone' is not defined.
  /Users/cdieringer/node/typescript-standard-biff-city/src/index.ts:3:3: 'name' is not defined.

where index.ts ===

export interface Obama {
  phone: number
  name: string
}
const myMainMan: Obama = {
  phone: 8675309,
  name: 'barack obama'
}
console.log(myMainMan)

[dcousens]

See #1101 instead