bn.onBackgroundFetchData

▸ onBackgroundFetchData(callback): void

description Listen on backgroundFetch getting data event. If the event has finished when listening on, it will not be triggered.

example

bn.onBackgroundFetchData((res) => {  const { fetchType, fetchedData, timeStamp } = res})

Parameters

Name	Type
`callback`	`OnBackgroundFetchDataCallback`

Returns

void

OnBackgroundFetchDataCallback#

Ƭ OnBackgroundFetchDataCallback: (result: { fetchType: "periodic" | "pre" ; fetchedData: string ; timeStamp: number }) => void

Type declaration

▸ (result): void

Parameters

Name	Type	Description
`result`	`Object`	-
`result.fetchType`	`"periodic"` \| `"pre"`	Cache data category, with a value of periodic or pre
`result.fetchedData`	`string`	Cache data
`result.timeStamp`	`number`	The timestamp of client getting the cached data

Returns

void