A small set of utilities for streams.
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A small set of utilities for streams.
``bash`pnpm
pnpm add @simple-libs/stream-utilsyarn
yarn add @simple-libs/stream-utilsnpm
npm i @simple-libs/stream-utils
`ts
import {
toArray,
concatBufferStream,
concatStringStream,
firstFromStream,
mergeReadables
} from '@simple-libs/stream-utils'
// Convert a readable stream to an array
await toArray(Readable.from(['foo', 'bar', 'baz']))
// Returns ['foo', 'bar', 'baz']
// Concatenate a stream of buffers into a single buffer
await concatBufferStream(Readable.from([Buffer.from('foo'), Buffer.from('bar')]))
// Returns
// Concatenate a stream of strings into a single string
await concatStringStream(Readable.from(['foo', 'bar']))
// Returns 'foobar'
// Get the first value from a stream
await firstFromStream(Readable.from(['foo', 'bar']))
// Returns 'foo'
// Merges multiple Readable streams into a single Readable stream.
// Each chunk will be an object containing the source stream name and the chunk data.
await mergeReadables({
foo: Readable.from(['foo1', 'foo2']),
bar: Readable.from(['bar1', 'bar2'])
})
// Returns [{ source: 'foo', chunk: 'foo1' }, { source: 'foo', chunk: 'foo2' }, { source: 'bar', chunk: 'bar1' }, { source: 'bar', chunk: 'bar2' }]
``