npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules\webpack-dev-server\node_modules\chokidar\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.1.3: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN react-router-dom@4.2.2 requires a peer of react@>=15 but none was installed.
npm WARN react-router@4.2.0 requires a peer of react@>=15 but none was installed.
npm WARN report-server-api-sample@1.0.0 No repository field.

D:\brokerage\work\beta\RS-Samples\APISamples\typescript>npm run dev

> report-server-api-sample@1.0.0 dev D:\brokerage\work\beta\RS-Samples\APISamples\typescript
> webpack-dev-server

Project is running at http://0.0.0.0:8081/
webpack output is served from /
404s will fallback to /index.html
ts-loader: Using typescript@2.7.2 and D:\brokerage\work\beta\RS-Samples\APISamples\typescript\tsconfig.json
Hash: 153a0483e02f713b0a06
Version: webpack 3.11.0
Time: 5081ms
     Asset       Size  Chunks                    Chunk Names
   main.js    2.88 MB       0  [emitted]  [big]  main
index.html  884 bytes          [emitted]
[./node_modules/loglevel/lib/loglevel.js] ./node_modules/loglevel/lib/loglevel.js 7.86 kB {0} [built]
[./node_modules/react-router-dom/es/index.js] ./node_modules/react-router-dom/es/index.js 925 bytes {0} [built]
[./node_modules/sockjs-client/dist/sockjs.js] ./node_modules/sockjs-client/dist/sockjs.js 181 kB {0} [built]
[./node_modules/strip-ansi/index.js] ./node_modules/strip-ansi/index.js 161 bytes {0} [built]
[./node_modules/url/url.js] ./node_modules/url/url.js 23.3 kB {0} [built]
[./node_modules/webpack-dev-server/client/index.js?http://0.0.0.0:8081] (webpack)-dev-server/client?http://0.0.0.0:8081 7.91 kB {0} [built]
[./node_modules/webpack-dev-server/client/overlay.js] (webpack)-dev-server/client/overlay.js 3.67 kB {0} [built]
[./node_modules/webpack-dev-server/client/socket.js] (webpack)-dev-server/client/socket.js 1.08 kB {0} [built]
[./node_modules/webpack/hot ^\.\/log$] (webpack)/hot nonrecursive ^\.\/log$ 170 bytes {0} [built]
[./node_modules/webpack/hot/emitter.js] (webpack)/hot/emitter.js 77 bytes {0} [built]
[./src/api.ts] ./src/api.ts 9.27 kB {0} [built] [1 error]
[./src/app.tsx] ./src/app.tsx 516 bytes {0} [built] [4 errors]
[./src/home.tsx] ./src/home.tsx 5.53 kB {0} [built] [6 errors]
   [0] multi (webpack)-dev-server/client?http://0.0.0.0:8081 ./src/app.tsx 40 bytes {0} [built]
[./src/navbar.tsx] ./src/navbar.tsx 2.64 kB {0} [built]
    + 218 hidden modules

ERROR in D:\brokerage\work\beta\RS-Samples\APISamples\typescript\node_modules\@types\react-dom\node_modules\@types\react\index.d.ts
(3631,13): error TS2717: Subsequent property declarations must have the same type.  Property 'a' must be of type 'DetailedHTMLProps<AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>', but here has type 'DetailedHTMLProps<AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>'.

ERROR in D:\brokerage\work\beta\RS-Samples\APISamples\typescript\node_modules\@types\react-dom\node_modules\@types\react\index.d.ts