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- "use strict";
- var indexOf = require("es5-ext/array/#/e-index-of");
- module.exports = function () {
- var lastId = 0, argsMap = [], cache = [];
- return {
- get: function (args) {
- var index = indexOf.call(argsMap, args[0]);
- return index === -1 ? null : cache[index];
- },
- set: function (args) {
- argsMap.push(args[0]);
- cache.push(++lastId);
- return lastId;
- },
- delete: function (id) {
- var index = indexOf.call(cache, id);
- if (index !== -1) {
- argsMap.splice(index, 1);
- cache.splice(index, 1);
- }
- },
- clear: function () {
- argsMap = [];
- cache = [];
- }
- };
- };
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