idb-cache
idb-cache is a fast and simple cache library for JavaScript using IndexedDB.
IndexedDB is persistent storage, but idb-cache automatically destroys old files. Therefore, users do not have to worry about storage pressure due to garbage files.
Usage
Initialization
const idbc = new IDBCache('examplesDB', {
size : 52428800, // Size limit (Default 50MB)
count : 100, // Number of files limit (Default 100)
defaultAge : 86400, // max-age when there is no setting (Default 1day)
});
Set cache
// Designate max-age
idbc.set('key1', 'value1'); // defaultAge cache
idbc.set('key2', 'value2', 604800); // 1week cache
// Supported type
idbc.set('key3', new ArrayBuffer(512)); // ArrayBuffer
idbc.set('key4', new Blob([new ArrayBuffer(1024)])); // Blob
Get cache
idbc.get('key1').then(function(value){
console.log(value);
}).catch(function(){
// Does not exist, expired or error
});
Target
idb-cache is focused on support of the following browsers.
- Chrome for Android
- iOS Safari (Support from v10)