@browser-network/database/dist/src/LocalDB.js

A type of distributed database built on top of the distributed browser-network

(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports"], factory);
    }
})(function (require, exports) {
    "use strict";
    exports.__esModule = true;
    exports.LocalDB = void 0;
    var buildStorageShim = function () {
        // @ts-ignore
        var localStorageShim = {};
        localStorageShim.setItem = function (key, val) {
            localStorageShim[key] = val;
        };
        localStorageShim.getItem = function (key) {
            return localStorageShim[key];
        };
        localStorageShim.removeItem = function (key) {
            delete localStorageShim[key];
        };
        return localStorageShim;
    };
    var LocalDB = /** @class */ (function () {
        function LocalDB(appId) {
            var _this = this;
            this.keyPrefix = 'db';
            this.getByKey = function (key) {
                var gotten = _this.localStorage.getItem(key);
                if (!gotten)
                    return null;
                return JSON.parse(gotten);
            };
            this.appId = appId;
            this.localStorage = globalThis.localStorage || buildStorageShim();
        }
        LocalDB.prototype.set = function (val, address) {
            var key = this.buildKey(address);
            this.localStorage.setItem(key, JSON.stringify(val));
        };
        LocalDB.prototype.get = function (address) {
            var key = this.buildKey(address);
            return this.getByKey(key);
        };
        LocalDB.prototype.getAll = function () {
            var _this = this;
            var lsKeys = Object.keys(this.localStorage);
            var ourKeys = lsKeys.filter(function (key) { return key.indexOf(_this.buildKey('')) > -1; });
            return ourKeys.map(this.getByKey);
        };
        // Remove a single item
        LocalDB.prototype.remove = function (address) {
            var key = this.buildKey(address);
            this.localStorage.removeItem(key);
        };
        // Remove all items
        LocalDB.prototype.clear = function () {
            var _this = this;
            this.getAll().forEach(function (wrapped) {
                _this.remove(wrapped.id);
            });
        };
        LocalDB.prototype.buildKey = function (address) {
            return "".concat(this.keyPrefix, "-").concat(this.appId, "-").concat(address);
        };
        return LocalDB;
    }());
    exports.LocalDB = LocalDB;
});