@bravemobile/korea-administrative-area-geo-json-util/dist/LRUMap.js

```shell npm install @bravemobile/korea-administrative-area-geo-json-util ```

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LRUMap = void 0;
var LRUMap = /** @class */ (function () {
    // eslint-disable-next-line no-unused-vars
    function LRUMap(max) {
        if (max === void 0) { max = 10; }
        this.max = max;
        this.cache = new Map();
    }
    LRUMap.prototype.get = function (key) {
        var item = this.cache.get(key);
        if (item) {
            // refresh key
            this.cache.delete(key);
            this.cache.set(key, item);
        }
        return item;
    };
    LRUMap.prototype.set = function (key, val) {
        // refresh key
        if (this.cache.has(key))
            this.cache.delete(key);
        // evict oldest
        else if (this.cache.size === this.max)
            this.cache.delete(this.first());
        this.cache.set(key, val);
    };
    LRUMap.prototype.keys = function () {
        return this.cache.keys();
    };
    LRUMap.prototype.first = function () {
        return this.keys().next().value;
    };
    LRUMap.prototype.clear = function () {
        this.cache.clear();
    };
    return LRUMap;
}());
exports.LRUMap = LRUMap;