easy indexedDB

Easy-indexedDB provides some useful helper functions by monkey patching.

Promise-like IDBRequest

For example , open a db:

const dbRequest = <IDBOpenDBRequest>indexedDB.open("lists",1);
dbRequest.then((db:IDBDatabase) =>{
//do something with db...
},console.error);

And add some records

async function XXX (){
//...config your transaction
await store.add({title:'i like f',tags:['a','b','c']},4);
//...
}

Access objectStore just from IDBDatabase

It's amazing... Because IDBRequest is promise-like,if we hide some terrible codes,things will be easy.

//......
dbRequest.then(async (db:IDBDatabase):Promise<boolean> =>{
    const store = db.store('favlist','readwrite');
    await store.add({title:'i like',tags:['a','b','c']},1);
    //....
}

go through Cursor

    store.walkKeyCursor(console.log);
    // {key:xxxx,value:null}
    store.index('title').walkCursor(console.log);
    // {key:xxxx,value:xxxx}

And More

If you want its APIs,you can see easy-indexeddb.d.ts.It can be understand easily and quickly.

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