indexed-db-utilities
Version:
Helper methods and utilities for creating managing values dynamically for the browser's IndexDB API.
429 lines (422 loc) • 22.6 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);
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
//tslint:disable
function demo() {
return __awaiter(this, void 0, void 0, function () {
var stores, addResponse, getResponse, putResponse, updateResponse, removeResponse;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
/**
*
* Call openIDBUtilities(config) with config parameters to open an IndexedDB and return a promise that holds
* an Object with helper methods, add(), put(), update(), get() and remove().
* if one doesn't exsist then it will be made. Note: Once ObjectStores are defined they
* IDBs version number and to add more you must provide a new version number.
*
* The Config Object = {
* version: Number
* dbName: String
* storeNames: String[]
* keyPath?: String
* }
*
**/
console.log('calling open');
return [4 /*yield*/, Object(__WEBPACK_IMPORTED_MODULE_0__utilities_index_db_utility__["a" /* openIDBUtilities */])({
version: 1,
dbName: 'DemoIDB-1',
storeNames: ['demoStore0', 'demoStore1'],
keyPath: 'myKey' // keyPath is optional, if provided this will be how you get selective values from the stores and must be a property in your object value you wish to store. If omitted the stores will be indexed 0 to (n-1);
})];
case 1:
stores = _a.sent();
console.log('stores', stores);
/**
* add(storeName: string, value: any) => Promise<string | {}>;
* returns a string with the saved value's key or Request.Result Object.
* Note: You cannot add new values to objects with keys that already exsist, use put() or update().
*/
console.log('calling add');
return [4 /*yield*/, stores.add('demoStore3', {
// myKey: 'foo',
value: [{ bat: 'squeak' }, { bear: 'grrr' }]
})
.catch(function (err) { return console.log('Add Error', err); })];
case 2:
addResponse = _a.sent();
console.log('add response', addResponse); // add response foo
/**
* get(storeName: string, key: string) => Promise<any>;
* returns the value stored that matches the value stored in [keyPath]: String
* or throws an Request.Result Object
*/
console.log('calling get');
return [4 /*yield*/, stores.get('demoStore0', 'foo')];
case 3:
getResponse = _a.sent();
console.log('get response', getResponse); // get response {myKey:'foo', value: [{ bat: 'squeak'}, {bear: 'grrr'}]}
/**
* put(storeName: string, value: any) => Promise<string | {}>;
* returns a string with the saved value's key or throws Request.Result Object.
* Note: This will overwrite your value saved related your key.
*/
console.log('calling put');
return [4 /*yield*/, stores.put('demoStore0', {
myKey: 'foo',
value: [{ cat: 'meow' }]
})];
case 4:
putResponse = _a.sent();
console.log('put response', putResponse); // put response foo
return [4 /*yield*/, stores.get('demoStore0', 'foo')];
case 5:
getResponse = _a.sent();
console.log('get response', getResponse); // {myKey:'foo', value: [{cat: 'meow'}]}
/**
* update(storeName: string, key: string, value: any) => Promise<string | {}>;
* returns a string with the updated value's key or throws an Request.Result Object.
* Note: This will merge with your stored value, if it is an array it will concatenate
* the new values.
*/
console.log('calling update');
return [4 /*yield*/, stores.update('demoStore0', 'foo', {
myKey: 'foo',
value: [{ bat: 'squeak' }, { bear: 'grrr', dog: ['woof', 'bark'] }, { cat: 'purr' }, ['happy hacking!']]
})];
case 6:
updateResponse = _a.sent();
console.log('update response', updateResponse); // update response foo
return [4 /*yield*/, stores.get('demoStore0', 'foo')];
case 7:
getResponse = _a.sent();
console.log('get response', getResponse); // get response {myKey:'foo', value: [{cat: 'meow'}, { bat: 'squeak'}, {bear: 'grrr', dog: ['woof', 'bark']}, {cat: 'purr'}, ['happy hacking!']]}
/**
* remove(storeName: string, key: string) => Promise<any>;
* returns void or throws an Request.Result Object
*/
console.log('calling remove');
return [4 /*yield*/, stores.remove('demoStore0', 'foo')
.catch(function (err) { return console.log('remove error', err); })];
case 8:
removeResponse = _a.sent();
console.log('removeResponse', removeResponse); // removeResponse undefined
return [2 /*return*/];
}
});
});
}
console.log('calling demo');
demo()
.then(function (res) { return console.log('response', res); })
.catch(function (err) { return console.log('Error: ', err); });
/***/ }),
/* 1 */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
;
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return openIDBUtilities; });
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
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());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t[2]) _.ops.pop();
_.trys.pop(); continue;
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op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
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 (evt) {
reject(request.result);
};
// noinspection TsLint
request.onupgradeneeded = function (evt) {
onUpgradeHandler(evt, config);
};
request.onsuccess = function (evt) {
var db = request.result;
resolve({
add: function (storeName, value) {
return __awaiter(this, void 0, void 0, function () {
var request;
return __generator(this, function (_a) {
request = db.transaction([storeName], 'readwrite')
.objectStore("" + storeName)
.add(value);
if (request.isValid()) {
return [2 /*return*/, request.result];
}
return [2 /*return*/, Promise.reject(request.result)];
});
});
},
put: function (storeName, value) {
return __awaiter(this, void 0, void 0, function () {
var request;
return __generator(this, function (_a) {
request = db.transaction([storeName], 'readwrite')
.objectStore(storeName)
.put(value);
if (request.isValid()) {
return [2 /*return*/, request.result];
}
return [2 /*return*/, Promise.reject(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);
};
})];
});
});
}
});
};
})];
});
}); };
function onUpgradeHandler(evt, config) {
var nextDb = evt.target.result;
if (config.keyPath) {
config.storeNames
.forEach(function (storeName) {
nextDb.createObjectStore(storeName, {
keyPath: config.keyPath
});
});
}
else {
config.storeNames
.forEach(function (storeName) {
nextDb.createObjectStore(storeName, {
autoIncrement: true
});
});
}
}
// 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=demo.bundle.js.map