Class FetchSource

Uses the browser Fetch API to make tile requests via HTTP.

This method does not send conditional request headers If-Match because of CORS. Instead, it detects ETag mismatches via the response ETag or the 416 response code.

This also works around browser and storage-specific edge cases.

Implements

Constructors

constructor

Properties

credentials customHeaders url

Methods

getBytes getKey setHeaders

Constructors

constructor

  • new FetchSource(url, customHeaders?, credentials?): FetchSource

  • Parameters

    • url: string
    • customHeaders: Headers = ...
    • credentials: undefined | "include" | "same-origin" = undefined

    Returns FetchSource

Properties

credentials

credentials: undefined | "include" | "same-origin"

customHeaders

customHeaders: Headers

A Headers object, specfying custom Headers set for all requests to the remote archive.

This should be used instead of maplibre's transformRequest for PMTiles archives.

url

url: string

Methods

getBytes

getKey

  • getKey(): string

  • Return a unique string key for the archive e.g. a URL.

    Returns string

setHeaders

  • setHeaders(customHeaders): void

  • Mutate the custom Headers set for all requests to the remote archive.

    Parameters

    • customHeaders: Headers

    Returns void

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