@progress/kendo-react-dateinputs/virtualization/Virtualization.js

React DateInput is a perfect input component for handling quick and efficient date values. KendoReact Date Inputs package

/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2025 Progress Software Corporation. All rights reserved.
 * Licensed under commercial license. See LICENSE.md in the package root for more information
 *-------------------------------------------------------------------------------------------
 */
"use strict";Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"});const w=require("react"),s=require("prop-types"),f=require("@progress/kendo-react-common"),H=require("./services/ScrollerService.js");function P(r){const e=Object.create(null,{[Symbol.toStringTag]:{value:"Module"}});if(r){for(const t in r)if(t!=="default"){const i=Object.getOwnPropertyDescriptor(r,t);Object.defineProperty(e,t,i.get?i:{enumerable:!0,get:()=>r[t]})}}return e.default=r,Object.freeze(e)}const g=P(w),T=(r,e,t)=>Math.min(Math.abs(e-r),t),C=17,O=10,A={1:r=>e=>e+r,0:r=>e=>e-r},x={1:r=>e=>Math.min(e,r),0:r=>e=>Math.max(e,r)},I={1:r=>e=>e<r,0:r=>e=>e>r},a=class a extends g.Component{constructor(e){super(e),this.rowHeightService=null,this.scrollContainer=null,this.lastDirection=null,this.lastTotal=0,this.lastTake=0,this.animationInProgress=!1,this.restrictScroll=!1,this.scrollTo=t=>{const i=this.direction==="vertical"?"scrollTop":"scrollLeft";if(!this.scrollContainer)return;const o=this.scrollContainer[i];this.restrictScroll&&i==="scrollTop"&&(!Number.isInteger(o)||!Number.isInteger(t))&&Math.abs(o-t)<O||(this.scrollContainer[i]=t)},this.scrollToIndex=t=>{this.animationInProgress=!1,this.rowHeightService&&this.scrollTo(this.rowHeightService.offset(t))},this.animateToIndex=t=>{if(!this.rowHeightService||!window)return;window.cancelAnimationFrame(this.cancelAnimation);const i=this.rowHeightService.offset(t),o=this.getContainerScrollDirection(i),{start:n,end:l}=this.scrollRange(i,o);if(n===l)return;const S=this.scrollStep(n,l),c=A[o](S),h=x[o](l),u=I[o](c(l)),m=p=>{this.animationInProgress=!0;const d=c(p);this.scrollTo(h(d)),u(d)?this.cancelAnimation=window.requestAnimationFrame(()=>{m(d)}):this.animationInProgress=!1};this.cancelAnimation=window.requestAnimationFrame(()=>{m(n)})},this.scrollToBottom=()=>{this.rowHeightService&&this.scrollTo(this.rowHeightService.totalHeight()+this.props.bottomOffset)},this.scrollStep=(t,i)=>{const o=this.props.scrollDuration||a.defaultProps.scrollDuration;return Math.abs(i-t)/(o/C)},this.scrollRange=(t,i)=>{const o=this.containerScrollPosition;if(parseInt(`${t}`,10)===parseInt(`${o}`,10))return{start:t,end:t};const n=this.containerMaxScroll(),l=i===0?1:-1,S=T(o,t,this.props.maxScrollDifference||0),c=Math.min(t,n);return{start:Math.min(Math.max(c+l*S,0),n),end:c}},this.containerMaxScroll=()=>this.containerScrollSize-this.containerOffsetSize,this.getContainerScrollDirection=t=>t<this.containerScrollPosition?0:1,this.initServices=(t=this.props)=>{const i=this.direction==="vertical"?t.itemHeight:t.itemWidth;i!==void 0&&(this.rowHeightService=new f.RowHeightService(t.total,i,0),this.scrollerService.create(this.rowHeightService,t.skip,t.take,t.total,t.topOffset,this.scrollOffsetSize,this.direction))},this.getContainerProperty=t=>this.scrollContainer?this.scrollContainer[t]:0,this.handleScroll=t=>{if(!this.scrollContainer||!this.rowHeightService)return;const i=t.target;this.scrollerService.onScroll({scrollLeft:i.scrollLeft,scrollTop:i.scrollTop,offsetHeight:i.offsetHeight,offsetWidth:i.offsetWidth});const o=this.rowHeightService.index(this.containerScrollPosition-this.props.topOffset),{onScrollAction:n}=this.props,l={index:o,target:i,scrollAction:this.scrollAction,pageAction:this.pageAction,animationInProgress:this.animationInProgress};this.props.onScroll&&this.props.onScroll.call(void 0,t),n&&n.call(void 0,l),this.scrollAction=void 0,this.pageAction=void 0},this.handleScrollAction=t=>{this.scrollAction=t},this.handlePageAction=t=>{this.pageAction=t},this.scrollerService=new H.ScrollerService(this.handleScrollAction,this.handlePageAction),this.restrictScroll=Number.parseFloat(g.version)>17}get element(){return this.scrollContainer}get containerOffsetSize(){return this.getContainerProperty(this.direction==="vertical"?"offsetHeight":"offsetWidth")}get containerScrollSize(){return this.getContainerProperty(this.direction==="vertical"?"scrollHeight":"scrollWidth")}get containerScrollPosition(){return this.getContainerProperty(this.direction==="vertical"?"scrollTop":"scrollLeft")}get direction(){return this.props.direction!==void 0?this.props.direction:a.defaultProps.direction}get scrollOffsetSize(){return this.props.scrollOffsetSize!==void 0?this.props.scrollOffsetSize:a.defaultProps.scrollOffsetSize}activeIndex(){return this.itemIndex(Math.ceil(this.containerScrollPosition))}itemIndex(e){return this.rowHeightService?this.rowHeightService.index(e):0}itemOffset(e){return this.rowHeightService?this.rowHeightService.offset(e):0}isIndexVisible(e){if(!this.rowHeightService)return!1;const t=this.containerScrollPosition,i=t+this.containerOffsetSize,o=this.rowHeightService.offset(e),n=o+this.rowHeightService.height(e);return o>=t&&n<=i}isListScrolled(e){return this.rowHeightService?this.containerScrollPosition!==this.rowHeightService.offset(e):!1}componentDidMount(){const{onMount:e}=this.props;e&&e.call(void 0,this)}render(){const{total:e,take:t,bottomOffset:i,className:o,tabIndex:n,role:l,children:S,unstyled:c}=this.props,h=c&&c.uCalendar;(this.lastTotal!==e||this.lastDirection!==this.direction||this.lastTake!==t)&&(this.initServices(),this.lastTotal=e,this.lastDirection=this.direction,this.lastTake=t);const u=`${(this.rowHeightService?this.rowHeightService.totalHeight():0)+i}`,m=this.direction==="vertical"?{height:`${u}px`}:{width:`${u}px`},p=f.classNames(f.uCalendar.scrollableSelector({c:h}),f.uCalendar.scrollable({c:h,horizontal:this.direction==="horizontal"}),o),d=f.classNames(f.uCalendar.scrollablePlaceholder({c:h,horizontal:this.direction==="horizontal"}));return g.createElement("div",{ref:b=>{this.scrollContainer=b},onScroll:this.handleScroll,className:p,tabIndex:n,role:l},S,g.createElement("div",{style:m,className:d}))}};a.propTypes={bottomOffset:s.number.isRequired,className:s.string,direction:s.oneOf(["horizontal","vertical"]),forceScroll:s.bool,itemHeight:s.number,itemWidth:s.number,maxScrollDifference:s.number,onScroll:s.func,onScrollAction:s.func,scrollDuration:s.number,scrollOffsetSize:s.number,skip:s.number.isRequired,tabIndex:s.number,take:s.number.isRequired,topOffset:s.number.isRequired,total:s.number.isRequired,role:s.string},a.defaultProps={direction:"vertical",forceScroll:!1,scrollOffsetSize:0,maxScrollDifference:100,scrollDuration:100};let v=a;exports.Virtualization=v;