how to solve this error and already installed 'epubjs' ?

Error: Module parse failed: Unexpected character ‘#’ (1:0)
You may need an appropriate loader to handle this file type.
| #!/usr/bin/env node
| var connect = require(‘connect’),
| colors = require(‘colors’),
at Object. (http://localhost:8100/build/vendor.js:119628:7)
at webpack_require (http://localhost:8100/build/vendor.js:55:30)
at Object.194 (http://localhost:8100/build/main.js:44:65)
at webpack_require (http://localhost:8100/build/vendor.js:55:30)
at Object.264 (http://localhost:8100/build/main.js:233:75)
at webpack_require (http://localhost:8100/build/vendor.js:55:30)
at Object.221 (http://localhost:8100/build/main.js:166:73)
at webpack_require (http://localhost:8100/build/vendor.js:55:30)
at Object.197 (http://localhost:8100/build/main.js:150:70)
at webpack_require (http://localhost:8100/build/vendor.js:55:30)

hello @hnyshri,
when u got this error elaborate it