Class SharedPromiseCache

A cache for parts of a PMTiles archive where promises can be shared between requests.

Only caches headers and directories, not individual tile contents.

Index

Constructors

Properties

cache counter decompress invalidations maxCacheEntries

Methods

getArrayBuffer getDirectory getHeader invalidate prune

Constructors

constructor

new SharedPromiseCache(maxCacheEntries?, prefetch?, decompress?): SharedPromiseCache
Parameters
- maxCacheEntries: number = 100
- prefetch: boolean = true
- decompress: DecompressFunc = defaultDecompress
Returns SharedPromiseCache
- Defined in index.ts:812

Properties

cache

cache: Map<string, SharedPromiseCacheValue>

counter

counter: number

decompress

decompress: DecompressFunc

invalidations

invalidations: Map<string, Promise<void>>

maxCacheEntries

maxCacheEntries: number

Methods

getArrayBuffer

getArrayBuffer(source, offset, length, header): Promise<ArrayBuffer>
Parameters
- source: Source
- offset: number
- length: number
- header: Header
Returns Promise<ArrayBuffer>
- Defined in index.ts:884

getDirectory

getDirectory(source, offset, length, header): Promise<Entry[]>
Parameters
- source: Source
- offset: number
- length: number
- header: Header
Returns Promise<Entry[]>
- Defined in index.ts:853

getHeader

getHeader(source): Promise<Header>
Parameters
- source: Source
Returns Promise<Header>
- Defined in index.ts:824

invalidate

invalidate(source): Promise<void>
Parameters
- source: Source
Returns Promise<void>
- Defined in index.ts:933

prune

prune(): void
Returns void
- Defined in index.ts:917

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