Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | 5x 5x 5x 5x 5x 1x 5x 32x 32x 32x 5x 79x 79x 79x 79x 158x 79x 5x 6x 6x 6x 6x 6x 5x 128x 128x 128x 128x 128x 128x 91x 1x 34x 70x 35x 5x 58x 58x 58x 58x 245x | /**
* @license
* Copyright 2019 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { DB, openDb } from 'idb';
import { AppConfig } from '../interfaces/app-config';
const DATABASE_NAME = 'firebase-installations-database';
const DATABASE_VERSION = 1;
const OBJECT_STORE_NAME = 'firebase-installations-store';
const dbPromise: Promise<DB> = openDb(
DATABASE_NAME,
DATABASE_VERSION,
upgradeDB => {
// We don't use 'break' in this switch statement, the fall-through
// behavior is what we want, because if there are multiple versions between
// the old version and the current version, we want ALL the migrations
// that correspond to those versions to run, not only the last one.
switch (upgradeDB.oldVersion) {
case 0:
upgradeDB.createObjectStore(OBJECT_STORE_NAME);
}
}
);
/** Gets record(s) from the objectStore that match the given key. */
export async function get<ReturnType>(
appConfig: AppConfig
): Promise<ReturnType | undefined> {
const key = getKey(appConfig);
const db = await dbPromise;
return db
.transaction(OBJECT_STORE_NAME)
.objectStore(OBJECT_STORE_NAME)
.get(key);
}
/** Assigns or overwrites the record for the given key with the given value. */
export async function set<ValueType>(
appConfig: AppConfig,
value: ValueType
): Promise<ValueType> {
const key = getKey(appConfig);
const db = await dbPromise;
const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');
tx.objectStore(OBJECT_STORE_NAME).put(value, key);
await tx.complete;
return value;
}
/** Removes record(s) from the objectStore that match the given key. */
export async function remove(appConfig: AppConfig): Promise<void> {
const key = getKey(appConfig);
const db = await dbPromise;
const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');
tx.objectStore(OBJECT_STORE_NAME).delete(key);
return tx.complete;
}
/**
* Atomically updates a record with the result of updateFn, which gets
* called with the current value. If newValue is undefined, the record is
* deleted instead.
* @return Updated value
*/
export async function update<OldType, NewType>(
appConfig: AppConfig,
updateFn: (previousValue: OldType | undefined) => NewType
): Promise<NewType> {
const key = getKey(appConfig);
const db = await dbPromise;
const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');
const store = tx.objectStore(OBJECT_STORE_NAME);
const oldValue = await store.get(key);
const newValue = updateFn(oldValue);
if (newValue === oldValue) {
return newValue;
}
if (newValue === undefined) {
store.delete(key);
} else {
store.put(newValue, key);
}
await tx.complete;
return newValue;
}
export async function clear(): Promise<void> {
const db = await dbPromise;
const tx = db.transaction(OBJECT_STORE_NAME, 'readwrite');
tx.objectStore(OBJECT_STORE_NAME).clear();
return tx.complete;
}
function getKey(appConfig: AppConfig): string {
return `${appConfig.appName}!${appConfig.appId}`;
}
|