import { DisplayProcessor, SpecReporter, StacktraceOption, } from "jasmine-spec-reporter"; import SuiteInfo = jasmine.SuiteInfo; class CustomProcessor extends DisplayProcessor { public displayJasmineStarted(info: SuiteInfo, log: string): string { return `TypeScript ${log}`; } } jasmine.getEnv().clearReporters(); jasmine.getEnv().addReporter( new SpecReporter({ spec: { displayStacktrace: StacktraceOption.NONE, }, customProcessors: [CustomProcessor], }) );