BrowserCache

Persistent browser-level Cache store for images.

Index

Properties

• cache
• name

Methods

• clear
• fetch
• key
• open

Properties

cache

cache: Cache

The opened Cache.

name

name: string

Name of the Cache bucket. Bump only if what's stored in it changes shape.

Methods

clear

• clear(): Promise<boolean>

• Throw the whole persistent store away and open a fresh bucket.

  ---

  Returns Promise<boolean>

  Whether there was a store to delete

fetch

• fetch(url, options): Promise<Response>

• Fetch an image, through the persistent store when possible.

  ---

  Parameters

  • url: string

    The URL of the image

  • optionaloptions: FetchOptions = {}

  Returns Promise<Response>

key

• key(url): string

• Compute the key an image URL is stored under.

  The R$VERSION directory, query string and fragment are dropped, so that the same file can be reused across versions, assuming its mtime doesn't change.

  ---

  Parameters

  • url: string

  Returns string

staticopen

• open(): Promise<BrowserCache>

• Open the named bucket.

  ---

  Returns Promise<BrowserCache>