More rewrites

src/Util/Cache.js

@@ -0,0 +1,51 @@
+"use strict";
+
+class Cache extends Array{
+	constructor(discrim, limit){
+		super();
+		this.discrim = discrim || "id";
+	}
+	
+	get(key, value){
+		var found = null;
+		this.forEach( (val, index, array) => {
+			if(val.hasOwnProperty(key) && val[key] == value){
+				found = val;
+				return;
+			}
+		} );
+		return found;
+	}
+	
+	getAll(key, value){
+		var found = [];
+		this.forEach( (val, index, array) => {
+			if(val.hasOwnProperty(key) && val[key] == value){
+				found.push(val);
+				return;
+			}
+		} );
+		return found;
+	}
+	
+	add(data){
+		var exit = false;
+		for(var item of this){
+			if(item[this.discrim] === data[this.discrim]){
+				exit = item;
+				break;
+			}
+		}
+		if(exit){
+			return exit;
+		}else{
+			if(this.limit && this.length >= this.limit){
+				this.splice(0, 1);
+			}
+			this.push(data);
+			return data;
+		}
+	}
+}
+
+module.exports = Cache;