Uncaught ReferenceError: Buffer is not defined
at eval (util.js?923f:103)
at Object.../node_modules/core-util-is/lib/util.js (bundle.js:867)
at __webpack_require__ (bundle.js:708)
at fn (bundle.js:113)
at Object.eval (_stream_readable.js?2936:67)
at eval (_stream_readable.js:1020)
at Object.../node_modules/readable-stream/lib/_stream_readable.js (bundle.js:1326)
at __webpack_require__ (bundle.js:708)
at fn (bundle.js:113)
at eval (readable-browser.js?d7b6:1)
add following code on startup.
global.Buffer = global.Buffer || require("buffer").Buffer;