$ npm test
> typescript-node-api@1.0.1 test /Users/username/GitHub/typescript-node-api
> mocha --reporter spec --compilers ts:ts-node/register 'test/**/*.test.ts'
/Users/username/GitHub/typescript-node-api/node_modules/ts-node/src/index.ts:312
throw new TSError(formatDiagnostics(diagnosticList, cwd, ts, lineOffset))
^
TSError: ? Unable to compile TypeScript
Cannot find type definition file for 'body-parser'. (2688)
Cannot find type definition file for 'chai'. (2688)
Cannot find type definition file for 'chai-http'. (2688)
Cannot find type definition file for 'debug'. (2688)
Cannot find type definition file for 'express'. (2688)
Cannot find type definition file for 'express-serve-static-core'. (2688)
Cannot find type definition file for 'mime'. (2688)
Cannot find type definition file for 'mocha'. (2688)
Cannot find type definition file for 'morgan'. (2688)
Cannot find type definition file for 'node'. (2688)
Cannot find type definition file for 'serve-static'. (2688)
test/helloWorld.test.ts (1,24): Cannot find module 'mocha'. (2307)
test/helloWorld.test.ts (2,23): Cannot find module 'chai'. (2307)
test/helloWorld.test.ts (3,27): Cannot find module 'chai-http'. (2307)
test/helloWorld.test.ts (5,17): Cannot find module '../src/App'. (2307)
test/helloWorld.test.ts (10,1): Cannot find name 'describe'. (2304)
test/helloWorld.test.ts (12,3): Cannot find name 'it'. (2304)
test/helloWorld.test.ts (19,3): Cannot find name 'it'. (2304)