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Okay long story short the problem caused because it was not compiling my files and devmode was off in the version it was complied before.
I was trying to use vue on laravel 5.2 , faced many problems so i decided to install
laravel 5.3 by :
composer create-project --prefer-dist laravel/laravel myapp "5.3.0"
after that I executed :
npm install
and it started to install the dependencies and all , when it was done I tested gulp command to see if its a success compile which it was. so I moved package.json package-lock.json and gulpfile.js from my Laravel 5.3 to laravel 5.2 run npm install again and all Done!
Source:stackexchange.com