$ npm install
$ npx tsc --noEmit
src/valid.ts:3:23 - error TS2339: Property 'isIP' does not exist on type 'typeof import("/Users/redacted/code/tmp2/tsbug/node_modules/@types/validator/index")'.
3 console.log(validator.isIP("12312"));
~~~~
Found 1 error in src/valid.ts:3