build vue file error ( version 1.3.1, npm run prod error, but npm run dev then OK)

[pxnguyen1]

add class to vuejs then build error.
version 1.3.1
I run npm run dev then ok, but npm run prod then error in below.

I add class to vue file and run cmd npm run prod to build vuejs.
but when run project then show error in javascript: "TypeError: o is not a function
at t (velocity.js:1:395593)"
help me resole this issue, why edit Vuejs File and build then error. thanks

[sanjay-webkul]

Hi there,
Please follow this thread.