Class BlobChunkSource

Generate chunks from a Blob (W3C File API).

Hierarchy

KnownSizeChunkSource
- BlobChunkSource

Implements

ChunkSource

Index

Constructors

Properties

chunkSize final finalChunkSize totalSize

Methods

getChunk getPayload listChunks

Constructors

constructor

new BlobChunkSource(blob, opts?): BlobChunkSource
Parameters
- blob: Blob | Blob
- opts: ChunkOptions = {}
Returns BlobChunkSource
Overrides KnownSizeChunkSource.constructor
- Defined in serve/chunk-source/blob.ts:7

Properties

`Protected` `Readonly` chunkSize

chunkSize: number

`Protected` `Readonly` final

final: number

`Protected` `Readonly` finalChunkSize

finalChunkSize: number

`Protected` `Readonly` totalSize

totalSize: number

Methods

getChunk

getChunk(i): Promise<undefined | Chunk>
Generate a chunk on-demand.
Parameters
- i: number
  
  chunk number, starting from zero.
Returns Promise<undefined | Chunk>
a Promise that resolves to requested chunk, or undefined if out of range.
Implementation of ChunkSource.getChunk

Inherited from KnownSizeChunkSource.getChunk
- Defined in serve/chunk-source/common.ts:55

`Protected` getPayload

getPayload(i, offset, chunkSize): Promise<Uint8Array>
Parameters
- i: number
- offset: number
- chunkSize: number
Returns Promise<Uint8Array>
Overrides KnownSizeChunkSource.getPayload
- Defined in serve/chunk-source/blob.ts:11

listChunks

listChunks(): AsyncIterable<Chunk>
Generate chunks sequentially.

Returns AsyncIterable<Chunk>
an AsyncIterable of chunks in order.
Implementation of ChunkSource.listChunks

Inherited from KnownSizeChunkSource.listChunks
- Defined in serve/chunk-source/common.ts:48

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