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Create a transform stream using await instead of callbacks

License: MIT License

JavaScript 84.92% TypeScript 15.08%

easy-transform-stream's Introduction

easy-transform-stream

Create a transform stream using await instead of callbacks

The built-in stream.Transform constructor forces you to deal with a callback interface. It's much nicer to just be able to await and return a value.

This package can be thought of as a modern version of through2.

Install

npm install easy-transform-stream

Usage

import transformStream from 'easy-transform-stream';

const stream = transformStream(async chunk => {
	const newChunk = await modifyChunk(chunk);
	return newChunk;
});

API

easyTransformStream(transformer, flusher?)

easyTransformStream(options, transformer, flusher?)

transformer(chunk, encoding, stream)

Type: Async function

Receives each chunk and is expected to return a transformed chunk.

flusher(stream)

Type: Async generator function

Yield additional chunks at the end of the stream.

options

Type: object

Same as the options for stream.Transform, except for transform and flush.

Related

  • get-stream - Get a stream as a string, buffer, or array

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