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lifion-aws-event-stream
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Node.js parser for binary streams under the application/vnd.amazon.eventstream content-type.
To install the module:
npm install lifion-aws-event-stream --save
The module exports a parse function and a Parser stream. To use the parse function:
const { parse } = require('lifion-aws-event-stream');
const buffer = Buffer.from('000000100000000005c248eb7d98c8ff', 'hex');
console.log(parse(buffer)); // { headers: {}, payload: '' }
To use the Parser stream:
const { Parser } = require('lifion-aws-event-stream');
const parser = new Parser();
parser.on('data', console.log); // { headers: {}, payload: '' }
const buffer = Buffer.from('000000100000000005c248eb7d98c8ff', 'hex');
parser.write(buffer);
Pipe an HTTP response to parse the messages as they arrive:
const got = require('got');
const { Parser } = require('lifion-aws-event-stream');
const { pipeline } = require('stream');
pipeline([
got('/', …),
new Parser(),
new Writable({
objectMode: true,
write(data, encoding, callback) {
console.log(data);
callback();
}
}),
]);
This project's implementation is based on:
Transform
object
Transform
A transform stream that calls parse with the binary data written to it. Can be used to pipe a response stream from an AWS service HTTP request. The stream will emit errors thrown during parse calls.
Kind: static class of lifion-aws-event-stream
Extends: Transform
See: https://nodejs.org/dist/latest-v10.x/docs/api/stream.html#stream_class_stream_transform
object
Parses the specified buffer with vnd.amazon.eventstream data into an object.
Kind: static method of lifion-aws-event-stream
Returns: object
- The parsed vnd.amazon.eventstream object.
Throws:
Error
Whenever:
Param | Type | Description |
---|---|---|
buffer | Buffer | The buffer to parse. |
FAQs
Node.js parser for the application/vnd.amazon.eventstream content-type.
The npm package lifion-aws-event-stream receives a total of 2,219 weekly downloads. As such, lifion-aws-event-stream popularity was classified as popular.
We found that lifion-aws-event-stream demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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