import { RuleTester } from "./support/RuleTester" ; import rule = require ( "../rules/type-operator-spacing" ) ; const ruleTester = new RuleTester ( { parserOptions : { warnOnUnsupportedTypeScriptVersion : false , } , parser : require . resolve ( "@typescript-eslint/parser" ) , } ) ; ruleTester . run ( "type-operator-spacing" , rule , { valid : [ { code : `type T = string | number` , } , { code : `type T = string & number` , } , { code : `function fn(): string | number {}` , } , { code : `function fn(): string & number {}` , } , ] , invalid : [ { code : `type T = string|number` , errors : [ { messageId : "typeOperatorSpacingError" } ] , } , { code : `type T = string&number` , errors : [ { messageId : "typeOperatorSpacingError" } ] , } , { code : `function fn(): string|number {}` , errors : [ { messageId : "typeOperatorSpacingError" } ] , } , { code : `function fn(): string&number {}` , errors : [ { messageId : "typeOperatorSpacingError" } ] , } , ] , } ) ;