@progress/kendo-react-scheduler/hooks/useSlotExpand.js

React Scheduler brings the functionality of Outlook's Calendar to a single UI component. KendoReact Scheduler package

/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2026 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 E=require("react"),p=require("../views/common/utils.js"),O=require("../constants/index.js"),S=require("@progress/kendo-react-common"),j=require("../context/SchedulerContext.js");function q(e){const t=Object.create(null,{[Symbol.toStringTag]:{value:"Module"}});if(e){for(const c in e)if(c!=="default"){const f=Object.getOwnPropertyDescriptor(e,c);Object.defineProperty(t,c,f.get?f:{enumerable:!0,get:()=>e[c]})}}return t.default=e,Object.freeze(t)}const i=q(E),H=(e,t)=>{const c=i.useRef(void 0),f=i.useRef(0),m=j.useSchedulerElementContext(),x=()=>{if(!e.current)return;const n=e.current.element;n&&(f.current=n.clientHeight)},d=i.useCallback(()=>{if(!t||!e.current)return;const n=e.current.element,g=e.current.props;if(!n)return;const a=p.getPadding(n),r=new Map,u=g.items.filter(o=>o._ref.current);u.forEach(o=>{var v,R,y,w;if(!o._ref.current)return;const{height:l}=p.getRect(o._ref.current.element),_=(y=(R=o.order)!=null?R:(v=o._ref.current)==null?void 0:v._order)!=null?y:-1;((w=r.get(_))!=null?w:0)<l&&r.set(_,l)});const s=Array.from(r.values()).reduce((o,l)=>o+l,0),b=u.length*O.BORDER_WIDTH*2+s-(a||0)+(typeof t=="object"&&t.offsetTop?t.offsetTop:0)+(typeof t=="object"&&t.offsetBottom?t.offsetBottom:0);u.length?b>f.current-a&&p.setRect(n,{height:b},!0):n&&(n.style.minHeight="")},[t,e]),h=i.useCallback(()=>{c.current!==void 0&&window.cancelAnimationFrame(c.current),c.current=window.requestAnimationFrame(()=>{d()})},[d]);S.useIsomorphicLayoutEffect(x,[]),i.useEffect(d,[e,e.current&&e.current.props,t]),i.useEffect(()=>{if(!e.current)return;const a=e.current.props.items.filter(r=>r._ref.current).map(r=>{if(!r._ref.current||!r._ref.current.element||!m.current)return;const u=window.ResizeObserver,s=u&&new u(h);return s&&s.observe(r._ref.current.element),()=>{s&&s.disconnect()}});return()=>{a.forEach(r=>r&&r())}},[h,m,e])};exports.useSlotExpand=H;