import{IndexInterface,DocumentInterface}from"./type.js";import{create_object,is_object}from"./common.js";function CacheClass(a){this.limit=!0!==a&&a,this.cache=create_object(),this.queue=[]}export default CacheClass;export function searchCache(a,b,c){is_object(a)&&(a=a.query);let d=this.cache.get(a);return d||(d=this.search(a,b,c),this.cache.set(a,d)),d}CacheClass.prototype.set=function(a,b){if(!this.cache[a]){let b=this.queue.length;b===this.limit?delete this.cache[this.queue[b-1]]:b++;for(let a=b-1;0<a;a--)this.queue[a]=this.queue[a-1];this.queue[0]=a}this.cache[a]=b},CacheClass.prototype.get=function(a){const b=this.cache[a];if(this.limit&&b){const b=this.queue.indexOf(a);if(b){const a=this.queue[b-1];this.queue[b-1]=this.queue[b],this.queue[b]=a}}return b},CacheClass.prototype.del=function(a){for(let b,c,d=0;d<this.queue.length;d++)c=this.queue[d],b=this.cache[c],b.includes(a)&&(this.queue.splice(d--,1),delete this.cache[c])};