svelte-idb-store/dist/idb.js

A library that allows you to sync the value of your Svelte stores with IndexedDB

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import { openDB } from "idb";
var storeName = "data";
var default_1 = /** @class */ (function () {
    function default_1(name, key, version, initialValue, callback) {
        var _this = this;
        this.isBrowser = typeof window !== "undefined" && "indexedDB" in window;
        this.store = function () { return __awaiter(_this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        if (!!this.db) return [3 /*break*/, 2];
                        return [4 /*yield*/, this.Initialize()];
                    case 1:
                        _a.sent();
                        _a.label = 2;
                    case 2: return [2 /*return*/, this.db.transaction(storeName, "readwrite").objectStore(storeName)];
                }
            });
        }); };
        this.index = function () { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) {
            switch (_a.label) {
                case 0: return [4 /*yield*/, this.store()];
                case 1: return [2 /*return*/, (_a.sent()).index(this.key || "")];
            }
        }); }); };
        this.Initialize = function () { return __awaiter(_this, void 0, Promise, function () {
            var creating, _a;
            var _this = this;
            var _b;
            return __generator(this, function (_c) {
                switch (_c.label) {
                    case 0:
                        creating = false;
                        _a = this;
                        return [4 /*yield*/, openDB(this.name, this.version, {
                                upgrade: function (db, _, __, transaction) { return __awaiter(_this, void 0, void 0, function () {
                                    return __generator(this, function (_a) {
                                        if (!db.objectStoreNames.contains(storeName)) {
                                            db.createObjectStore(storeName, { autoIncrement: true });
                                            creating = true;
                                        }
                                        if (this.key) {
                                            Array.from(transaction.objectStore(storeName).indexNames).forEach(function (index) { return transaction.objectStore(storeName).deleteIndex(index); });
                                            transaction.objectStore(storeName).createIndex(this.key, this.key, { unique: true });
                                        }
                                        return [2 /*return*/];
                                    });
                                }); }
                            })];
                    case 1:
                        _a.db = _c.sent();
                        if (!(creating && this.initialValue)) return [3 /*break*/, 3];
                        return [4 /*yield*/, this.set(this.initialValue)];
                    case 2:
                        _c.sent();
                        _c.label = 3;
                    case 3:
                        (_b = this.callback) === null || _b === void 0 ? void 0 : _b.call(this, creating);
                        return [2 /*return*/, creating];
                }
            });
        }); };
        if (!this.isBrowser)
            return;
        this.name = name;
        this.key = key;
        this.version = version;
        this.initialValue = initialValue;
        this.callback = callback;
        this.Initialize();
    }
    return default_1;
}());
export default default_1;