Bilibili-Evolved/min/dpi-img.vue.min.js
2019-10-26 11:06:15 +08:00

1 line
931 B
JavaScript

(()=>{return(t,s)=>{const e=`<img :width=width :height=height :srcset=srcset :src=actualSrc :style="{filter: blur ? 'blur(' + blur + 'px)' : undefined}">`;return{export:Object.assign({template:e},{props:["size","src","blur","root","rootMargin","threshold"],data(){return{srcset:null,actualSrc:null}},methods:{calcSrc(){if(!this.src||!this.size){return null}const t=this.src.substring(this.src.lastIndexOf(".")+1);this.srcset=getDpiSourceSet(this.src,this.size,t);this.actualSrc=this.src}},mounted(){const t={root:this.root,rootMargin:this.rootMargin||"200px",threshold:this.threshold};const s=new IntersectionObserver(t=>{t.forEach(t=>{if(t.isIntersecting){this.calcSrc();s.disconnect()}})},t);s.observe(this.$el)},computed:{width(){if(typeof this.size==="object"&&"width"in this.size){return this.size.width}return null},height(){if(typeof this.size==="object"&&"height"in this.size){return this.size.height}return null}}})}}})();