Any instruction how to use this template to VueJS/NuxtJS project.

I try to import all .scss and js files to the nuxtJS project, but get many error such as

responsiveClasses: jRespond not Defined.
app.js:4289 lazyLoad: Appear not Defined.
app.js:3891 lightbox: Magnific Popup not Defined.
app.js:4116 resizeVideos: FitVids not Defined.
app.js:4159 pageTransition: Animsition not Defined.
app.js:5228 sliderRun: Swiper not Defined.
app.js:6000 animations: Appear not Defined.
app.js:6252 youtubeBgVideo: YoutubeBG Plugin not Defined.
app.js:6359 tabs: Tabs not Defined.
app.js:6435 tabs: Tabs not Defined.
app.js:6460 tabs: Tabs not Defined.
app.js:6552 counter: Appear not Defined.
app.js:6602 roundedSkill: Appear not Defined.
app.js:6691 progress: Appear not Defined.
app.js:6726 twitterFeed: sm_format_twitter() not Defined.
app.js:6778 flickrFeed: jflickrfeed not Defined.
app.js:6815 Instafeed not Defined.
app.js:6893 dribbbleShots: Jribbble not Defined.
app.js:7279 textRotater: Morphext not Defined.
app.js:7002 carousel: Owl Carousel not Defined.
app.js:7366 ajaxForm: Form Validate not Defined.
app.js:7507 subscription: Form Validate not Defined.
app.js:7576 stickySidebar: Sticky Sidebar is not Defined.

any recommendation?