persistdb
Version:
A lightweight database solution for browsers using IndexedDB
152 lines (151 loc) • 7.31 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
var PersistDB = /** @class */ (function () {
function PersistDB(dbName, storeName) {
this.dbName = dbName;
this.storeName = storeName;
this.db = null;
this.initDB();
}
PersistDB.prototype.initDB = function () {
var _this = this;
var request = indexedDB.open(this.dbName, 1);
request.onupgradeneeded = function (event) {
var db = event.target.result;
if (!db.objectStoreNames.contains(_this.storeName)) {
db.createObjectStore(_this.storeName, {
keyPath: 'id',
autoIncrement: true,
});
}
};
request.onsuccess = function (event) {
_this.db = event.target.result;
};
request.onerror = function (event) {
console.error('Error opening database:', event.target.error);
};
};
PersistDB.prototype.getObjectStore = function (mode) {
if (!this.db) {
throw new Error('Database is not initialized');
}
return this.db
.transaction(this.storeName, mode)
.objectStore(this.storeName);
};
PersistDB.prototype.add = function (item) {
return __awaiter(this, void 0, void 0, function () {
var store;
return __generator(this, function (_a) {
store = this.getObjectStore('readwrite');
return [2 /*return*/, new Promise(function (resolve, reject) {
var request = store.add(item);
request.onsuccess = function () { return resolve(request.result); };
request.onerror = function () { return reject(request.error); };
})];
});
});
};
PersistDB.prototype.update = function (id, item) {
return __awaiter(this, void 0, void 0, function () {
var store;
return __generator(this, function (_a) {
store = this.getObjectStore('readwrite');
return [2 /*return*/, new Promise(function (resolve, reject) {
var request = store.put(__assign(__assign({}, item), { id: id }));
request.onsuccess = function () { return resolve(); };
request.onerror = function () { return reject(request.error); };
})];
});
});
};
PersistDB.prototype.remove = function (id) {
return __awaiter(this, void 0, void 0, function () {
var store;
return __generator(this, function (_a) {
store = this.getObjectStore('readwrite');
return [2 /*return*/, new Promise(function (resolve, reject) {
var request = store.delete(id);
request.onsuccess = function () { return resolve(); };
request.onerror = function () { return reject(request.error); };
})];
});
});
};
PersistDB.prototype.get = function (id) {
return __awaiter(this, void 0, void 0, function () {
var store;
return __generator(this, function (_a) {
store = this.getObjectStore('readonly');
return [2 /*return*/, new Promise(function (resolve, reject) {
var request = store.get(id);
request.onsuccess = function () { return resolve(request.result); };
request.onerror = function () { return reject(request.error); };
})];
});
});
};
PersistDB.prototype.getAll = function () {
return __awaiter(this, void 0, void 0, function () {
var store;
return __generator(this, function (_a) {
store = this.getObjectStore('readonly');
return [2 /*return*/, new Promise(function (resolve, reject) {
var request = store.getAll();
request.onsuccess = function () { return resolve(request.result); };
request.onerror = function () { return reject(request.error); };
})];
});
});
};
return PersistDB;
}());
exports.default = PersistDB;