primevue/scrolltop/scrolltop.esm.min.js

[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primevue) [![Discord Chat](https://img.shields.io/discord/55794023

import e from"primevue/basecomponent";import t from"primevue/icons/chevronup";import{ZIndexUtils as n,DomHandler as i}from"primevue/utils";import{openBlock as o,createBlock as r,Transition as l,withCtx as s,createElementBlock as c,mergeProps as a,renderSlot as p,resolveDynamicComponent as h,createCommentVNode as d}from"vue";var m={name:"ScrollTop",extends:e,scrollListener:null,container:null,props:{target:{type:String,default:"window"},threshold:{type:Number,default:400},icon:{type:String,default:void 0},behavior:{type:String,default:"smooth"}},data:()=>({visible:!1}),mounted(){"window"===this.target?this.bindDocumentScrollListener():"parent"===this.target&&this.bindParentScrollListener()},beforeUnmount(){"window"===this.target?this.unbindDocumentScrollListener():"parent"===this.target&&this.unbindParentScrollListener(),this.container&&(n.clear(this.container),this.overlay=null)},methods:{onClick(){("window"===this.target?window:this.$el.parentElement).scroll({top:0,behavior:this.behavior})},checkVisibility(e){e>this.threshold?this.visible=!0:this.visible=!1},bindParentScrollListener(){this.scrollListener=()=>{this.checkVisibility(this.$el.parentElement.scrollTop)},this.$el.parentElement.addEventListener("scroll",this.scrollListener)},bindDocumentScrollListener(){this.scrollListener=()=>{this.checkVisibility(i.getWindowScrollTop())},window.addEventListener("scroll",this.scrollListener)},unbindParentScrollListener(){this.scrollListener&&(this.$el.parentElement.removeEventListener("scroll",this.scrollListener),this.scrollListener=null)},unbindDocumentScrollListener(){this.scrollListener&&(window.removeEventListener("scroll",this.scrollListener),this.scrollListener=null)},onEnter(e){n.set("overlay",e,this.$primevue.config.zIndex.overlay)},onAfterLeave(e){n.clear(e)},containerRef(e){this.container=e}},computed:{containerClass(){return["p-scrolltop p-link p-component",{"p-scrolltop-sticky":"window"!==this.target}]},scrollTopAriaLabel(){return this.$primevue.config.locale.aria?this.$primevue.config.locale.aria.scrollTop:void 0}},components:{ChevronUpIcon:t}};const u=["aria-label"];!function(e,t){void 0===t&&(t={});var n=t.insertAt;if(e&&"undefined"!=typeof document){var i=document.head||document.getElementsByTagName("head")[0],o=document.createElement("style");o.type="text/css","top"===n&&i.firstChild?i.insertBefore(o,i.firstChild):i.appendChild(o),o.styleSheet?o.styleSheet.cssText=e:o.appendChild(document.createTextNode(e))}}("\n.p-scrolltop {\n    position: fixed;\n    bottom: 20px;\n    right: 20px;\n    display: flex;\n    align-items: center;\n    justify-content: center;\n}\n.p-scrolltop-sticky {\n    position: sticky;\n}\n.p-scrolltop-sticky.p-link {\n    margin-left: auto;\n}\n.p-scrolltop-enter-from {\n    opacity: 0;\n}\n.p-scrolltop-enter-active {\n    transition: opacity 0.15s;\n}\n.p-scrolltop.p-scrolltop-leave-to {\n    opacity: 0;\n}\n.p-scrolltop-leave-active {\n    transition: opacity 0.15s;\n}\n"),m.render=function(e,t,n,i,m,v){return o(),r(l,{name:"p-scrolltop",appear:"",onEnter:v.onEnter,onAfterLeave:v.onAfterLeave},{default:s((()=>[m.visible?(o(),c("button",a({key:0,ref:v.containerRef,class:v.containerClass,onClick:t[0]||(t[0]=(...e)=>v.onClick&&v.onClick(...e)),type:"button","aria-label":v.scrollTopAriaLabel},e.ptm("root")),[p(e.$slots,"icon",{},(()=>[(o(),r(h(n.icon?"span":"ChevronUpIcon"),a({class:["p-scrolltop-icon",n.icon]},e.ptm("icon")),null,16,["class"]))]))],16,u)):d("",!0)])),_:3},8,["onEnter","onAfterLeave"])};export{m as default};