Angular 4 Universal Node.js server.js Error -


i'm building angular 4 cli app , trying ssr using new builtin universal. seems work fine until try run node server.js

the below error returned: 

var crypto = require('crypto');              ^ typeerror: require not function     @ object.webpackemptycontext.keys (/dist-server/server.js:156480:14)     @ __webpack_require__ (/dist-server/server.js:20:30)     @ object.<anonymous> (/dist-server/server.js:156469:20)     @ __webpack_require__ (/dist-server/server.js:20:30)     @ object.module.exports.raw (/dist-server/server.js:42461:18)     @ __webpack_require__ (/dist-server/server.js:20:30)     @ object.<anonymous> (/dist-server/server.js:42340:15)     @ __webpack_require__ (/dist-server/server.js:20:30)     @ object.<anonymous> (/dist-server/server.js:77201:22)     @ __webpack_require__ (/dist-server/server.js:20:30)

any angular 4 universal experts out there?


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