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indexdb.js
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dla.helper.createNamespace('dla.payment.binBlocked'); | |
dla.payment.binBlocked = function () { | |
class Store { | |
constructor(dbName, storeName) { | |
this.storeName = storeName; | |
this._dbp = new Promise((resolve, reject) => { | |
const openreq = indexedDB.open(dbName, 1); | |
openreq.onerror = () => reject(openreq.error); | |
openreq.onsuccess = () => resolve(openreq.result); | |
// First time setup: create an empty object store | |
openreq.onupgradeneeded = () => { | |
openreq.result.createObjectStore(storeName); | |
}; | |
}); | |
}; | |
_withIDBStore(type, callback) { | |
return this._dbp.then(db => new Promise((resolve, reject) => { | |
const transaction = db.transaction(this.storeName, type); | |
transaction.oncomplete = () => resolve(); | |
transaction.onabort = transaction.onerror = () => reject(transaction.error); | |
callback(transaction.objectStore(this.storeName)); | |
})); | |
}; | |
} | |
let store; | |
function getDefaultStore() { | |
if (!store) { | |
store = new Store(); | |
} | |
return store; | |
} | |
function get(key, store = getDefaultStore()) { | |
let req; | |
return store._withIDBStore('readonly', store => { | |
req = store.get(key); | |
}).then(() => req.result); | |
} | |
function set(key, value, store = getDefaultStore()) { | |
return store._withIDBStore('readwrite', store => { | |
store.put(value, key); | |
}); | |
} | |
function del(key, store = getDefaultStore()) { | |
return store._withIDBStore('readwrite', store => { | |
store.delete(key); | |
}); | |
} | |
function clear(store = getDefaultStore()) { | |
return store._withIDBStore('readwrite', store => { | |
store.clear(); | |
}); | |
} | |
function keys(store = getDefaultStore()) { | |
const keys = []; | |
return store._withIDBStore('readonly', store => { | |
// This would be store.getAllKeys(), but it isn't supported by Edge or Safari. | |
// And openKeyCursor isn't supported by Safari. | |
(store.openKeyCursor || store.openCursor).call(store).onsuccess = function () { | |
if (!this.result) | |
return; | |
keys.push(this.result.key); | |
this.result.continue(); | |
}; | |
}).then(() => keys); | |
} | |
return { | |
Store: Store, | |
get: get, | |
set: set, | |
del: del, | |
clear: clear, | |
keys: keys | |
}; | |
}; | |
$(window).trigger('available', 'binBlocked'); |
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