@juun-roh/cesium-utils/dist/collection/index.js

Solve common Cesium.js challenges: combine multiple terrain sources, tag and filter entity collections, and add visual highlights.

import{DataSourceCollection as m,defined as h,EntityCollection as v,ImageryLayerCollection as y,PrimitiveCollection as f}from"cesium";function l(a,e){let t=!1,i=Object.getOwnPropertyDescriptor(a,e);if(!i){let n=Object.getPrototypeOf(a);for(;n&&!i;)i=Object.getOwnPropertyDescriptor(n,e),n=Object.getPrototypeOf(n)}return i&&i.get&&!i.set&&(t=!0),t}function c(a,e,t){let i=e.split(".");for(let o of i)if(u(o))return{success:!1,reason:"dangerous-property",message:`Property path contains dangerous property name: "${o}"`};let n=a,s=0;for(;s<i.length-1;s++){let o=i[s];if(!n||typeof n!="object"||!Object.prototype.hasOwnProperty.call(n,o))return{success:!1,reason:"invalid-path",message:`Property path "${e}" does not exist or contains inherited properties`};if(n=n[o],!n||typeof n!="object"||n===Object.prototype)return{success:!1,reason:"invalid-path",message:`Cannot traverse path "${e}" - reached non-object or prototype`}}if(s!==i.length-1)return{success:!1,reason:"invalid-path",message:`Failed to traverse property path "${e}"`};let r=i[i.length-1];if(u(r))return{success:!1,reason:"dangerous-property",message:`Cannot set dangerous property "${r}"`};if(!n||typeof n!="object"||n===Object.prototype)return{success:!1,reason:"invalid-path",message:"Cannot set property on invalid target"};if(r in n){if(typeof n[r]=="function")return{success:!1,reason:"function-property",message:`Cannot set function property "${r}"`};if(l(n,r))return{success:!1,reason:"read-only",message:`Cannot set read-only property "${e}"`}}return n[r]=t,{success:!0}}var p=["__proto__","constructor","prototype"];function u(a){return p.includes(a)}var d=class a{static symbol=Symbol("cesium-item-tag");tag;collection;_valuesCache=null;_tagMap=new Map;_eventListeners=new Map;_eventCleanupFunctions=[];constructor({collection:e,tag:t}){this.tag=t||"default",this.collection=e,this._setupCacheInvalidator(e)}[Symbol.iterator](){return this.values[Symbol.iterator]()}get values(){if(this._valuesCache!==null)return this._valuesCache;let e;if(this.collection instanceof v)e=this.collection.values;else{e=[];for(let t=0;t<this.collection.length;t++)e.push(this.collection.get(t))}return this._valuesCache=e,e}get length(){return this.values?.length||0}get tags(){return Array.from(this._tagMap.keys())}addEventListener(e,t){return this._eventListeners.has(e)||this._eventListeners.set(e,new Set),this._eventListeners.get(e)?.add(t),this}removeEventListener(e,t){return this._eventListeners.get(e)?.delete(t),this}add(e,t=this.tag,i){return Array.isArray(e)?e.forEach(n=>{this.add(n,t)}):(Object.defineProperty(e,a.symbol,{value:t,enumerable:!1,writable:!0,configurable:!0}),this.collection.add(e,i),this._addToTagMap(e,t),this._invalidateCache(),this._emit("add",{items:[e],tag:t})),this}contains(e){if(typeof e=="object")return this.collection.contains(e);let t=this._tagMap.get(e);return!!t&&t.size>0}remove(e){if(typeof e=="object"&&!Array.isArray(e)&&this.collection.remove(e)&&(this._removeFromTagMap(e),this._invalidateCache(),this._emit("remove",{items:[e]})),Array.isArray(e)){if(e.length===0)return this;for(let i of e)this.remove(i)}let t=this.get(e);if(t.length===0)return this;for(let i of t)this.remove(i);return this}removeAll(){this._tagMap.clear(),this.collection.removeAll(),this._invalidateCache(),this._emit("clear")}destroy(){this._eventCleanupFunctions.forEach(e=>e()),this._eventCleanupFunctions=[],this._tagMap.clear(),this._eventListeners.clear(),this._valuesCache=null}get(e){let t=this._tagMap.get(e);return t?Array.from(t):[]}first(e){let t=this._tagMap.get(e);if(t&&t.size>0)return t.values().next().value}update(e,t){let i=this.get(e);for(let n of i)this._removeFromTagMap(n),Object.defineProperty(n,a.symbol,{value:t,enumerable:!1,writable:!0,configurable:!0}),this._addToTagMap(n,t);return i.length>0&&this._emit("update",{items:i,tag:t}),i.length}show(e){let t=this.get(e);for(let i of t)h(i.show)&&(i.show=!0);return this}hide(e){let t=this.get(e);for(let i of t)h(i.show)&&(i.show=!1);return this}toggle(e){let t=this.get(e);for(let i of t)h(i.show)&&(i.show=!i.show);return this}setProperty(e,t,i=this.tag){let n=this.get(i);for(let s of n){let r=c(s,e,t);if(!r.success&&r.reason==="read-only")throw Error(`Cannot set read-only property '${e}' on ${s.constructor.name}`)}return this}filter(e,t){return(t?this.get(t):this.values).filter(e)}forEach(e,t){(t?this.get(t):this.values).forEach((n,s)=>e(n,s))}map(e,t){return(t?this.get(t):this.values).map(e)}find(e,t){return(t?this.get(t):this.values).find(e)}_emit(e,t){let i=this._eventListeners.get(e);if(i){let n={type:e,...t};i.forEach(s=>s(n))}}_addToTagMap(e,t){this._tagMap.has(t)||this._tagMap.set(t,new Set),this._tagMap.get(t)?.add(e)}_removeFromTagMap(e){let t=e[a.symbol],i=this._tagMap.get(t);i&&(i.delete(e),i.size===0&&this._tagMap.delete(t))}_invalidateCache=()=>{this._valuesCache=null};_setupCacheInvalidator(e){e instanceof v?(e.collectionChanged.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.collectionChanged.removeEventListener(this._invalidateCache))):e instanceof f?(e.primitiveAdded.addEventListener(this._invalidateCache),e.primitiveRemoved.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.primitiveAdded.removeEventListener(this._invalidateCache),()=>e.primitiveRemoved.removeEventListener(this._invalidateCache))):e instanceof m?(e.dataSourceAdded.addEventListener(this._invalidateCache),e.dataSourceMoved.addEventListener(this._invalidateCache),e.dataSourceRemoved.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.dataSourceAdded.removeEventListener(this._invalidateCache),()=>e.dataSourceMoved.removeEventListener(this._invalidateCache),()=>e.dataSourceRemoved.removeEventListener(this._invalidateCache))):e instanceof y&&(e.layerAdded.addEventListener(this._invalidateCache),e.layerMoved.addEventListener(this._invalidateCache),e.layerRemoved.addEventListener(this._invalidateCache),e.layerShownOrHidden.addEventListener(this._invalidateCache),this._eventCleanupFunctions.push(()=>e.layerAdded.removeEventListener(this._invalidateCache),()=>e.layerMoved.removeEventListener(this._invalidateCache),()=>e.layerRemoved.removeEventListener(this._invalidateCache),()=>e.layerShownOrHidden.removeEventListener(this._invalidateCache)))}},g=d;export{g as Collection};