indexed-db-utilities
Version:
Helper methods and utilities for creating managing values dynamically for the browser's IndexDB API.
336 lines (329 loc) • 17.1 kB
JavaScript
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/******/ ([
/* 0 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
;
Object.defineProperty(__webpack_exports__, "__esModule", { value: true });
/* harmony import */ var __WEBPACK_IMPORTED_MODULE_0__utilities_index_db_utility__ = __webpack_require__(1);
window.openIDBUtilities = __WEBPACK_IMPORTED_MODULE_0__utilities_index_db_utility__["a" /* openIDBUtilities */];
/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
;
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return openIDBUtilities; });
var __assign = (this && this.__assign) || Object.assign || function(t) {
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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}
return t;
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
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var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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if (y = 0, t) op = [0, t.value];
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var _this = this;
var openIDB = function (config) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
if (!window.indexedDB) {
// console.log("Your browser doesn't support a stable version of IndexedDB. IndexedDB will not be available.");
return [2 /*return*/, void 0];
}
return [2 /*return*/, new Promise(function (resolve, reject) {
var request = indexedDB.open(config.dbName, config.version);
request.onerror = function () {
reject(request.result);
};
request.onupgradeneeded = function (evt) {
var nextDb = evt.target.result;
var newStores = config.storeNames
.filter(function (value, i) { return value !== nextDb.objectStoreNames[i]; });
if (config.keyPath) {
newStores
.forEach(function (storeName) {
nextDb.createObjectStore(storeName, {
keyPath: config.keyPath
});
});
}
else {
newStores
.forEach(function (storeName) {
nextDb.createObjectStore(storeName, {
autoIncrement: true
});
});
}
};
request.onsuccess = function () {
var db = request.result;
resolve({
add: function (storeName, value) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (res, rej) {
var request = db.transaction([storeName], 'readwrite')
.objectStore("" + storeName)
.add(value);
request.onsuccess = function (evt) {
res(request.result);
};
request.onerror = function () {
rej(request.result);
};
})];
});
});
},
put: function (storeName, value) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (res, rej) {
var request = db.transaction([storeName], 'readwrite')
.objectStore(storeName)
.put(value);
request.onsuccess = function () {
res(request.result);
};
request.onerror = function () {
rej(request.result);
};
})];
});
});
},
update: function (storeName, key, value) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (res, rej) {
var transaction = db.transaction([storeName], 'readwrite');
var getRequest = transaction
.objectStore(storeName)
.get(key);
transaction.onerror = function () {
rej(request.result);
};
getRequest.onsuccess = function () {
var currentValue = getRequest.result;
var updatedValue = mergeDeep(currentValue, value);
var delRequest = transaction
.objectStore(storeName)
.delete(key);
delRequest.onsuccess = function () {
var addRequest = transaction
.objectStore(storeName)
.add(updatedValue);
addRequest.onsuccess = function () {
res(addRequest.result);
};
};
};
})];
});
});
},
remove: function (storeName, keyValue) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (res, rej) {
var delRequest = db.transaction([storeName], 'readwrite')
.objectStore(storeName)
.delete(keyValue);
delRequest.onsuccess = function () {
res(delRequest.result);
};
delRequest.onerror = function () {
rej(delRequest.result);
};
})];
});
});
},
get: function (storeName, key) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (res, rej) {
var request = db.transaction([storeName])
.objectStore(storeName)
.get(key);
request.onsuccess = function () {
res(request.result);
};
request.onerror = function () {
rej(request.result);
};
})];
});
});
},
getAll: function (storeName) {
return __awaiter(this, void 0, void 0, function () {
var response;
return __generator(this, function (_a) {
response = {};
return [2 /*return*/, new Promise(function (res, rej) {
var cursor = db.transaction([storeName])
.objectStore(storeName)
.openCursor();
cursor.onsuccess = function (event) {
var cursor = event.target.result;
if (cursor) {
response = __assign({}, response, (_a = {}, _a[cursor.key] = cursor.value, _a));
cursor.continue();
}
else {
res(response);
}
var _a;
};
cursor.onerror = function () {
rej(request.result);
};
})];
});
});
}
});
};
})];
});
}); };
// var objectStore = db.transaction("customers").objectStore("customers");
//
// objectStore.openCursor().onsuccess = function(event) {
// var cursor = event.target.result;
// if (cursor) {
// alert("Name for SSN " + cursor.key + " is " + cursor.value.name);
// cursor.continue();
// }
// else {
// alert("No more entries!");
// }
// };
// https://stackoverflow.com/a/48275932/7473184
function mergeDeep(target, source) {
if (typeof target === "object" && typeof source === "object") {
for (var key in source) {
if (source[key] === null
&& (target[key] === undefined
|| target[key] === null)) {
target[key] = null;
}
else if (source[key] instanceof Array) {
if (!target[key])
target[key] = [];
target[key] = target[key]
.concat(source[key]);
}
else if (typeof source[key] === "object") {
if (!target[key])
target[key] = {};
this.mergeDeep(target[key], source[key]);
}
else {
target[key] = source[key];
}
}
}
return target;
}
var openIDBUtilities = openIDB;
/***/ })
/******/ ]);
//# sourceMappingURL=idb-util.bundle.js.map