# propagate

> Propagate events from one event emitter into another

Latest version **2.0.1** (published 2019-04-12) · MIT license · 0 weekly downloads

## Install

```sh
npm install propagate
pnpm add propagate
yarn add propagate
bun add propagate
```

## Health

**Score 15/100 (F)** — status: abandoned.

Positive: no vulnerabilities.

Warnings: low downloads; no types; no esm support.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 2.0.1 |
| Published | 2019-04-12 |
| First published | 2013-01-08 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | CommonJS |
| Node | >= 8 |
| Dependencies | 0 |
| Unpacked size | 10.7 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 24 |
| Author | Pedro Teixeira |
| Maintainers | gr2m, paulmelnikow, pgte |
| Keywords | event, events, emitter, eventemitter, propagation |

## Links

- npm: https://www.npmjs.com/package/propagate
- Repository: https://github.com/nock/propagate
- Homepage: http://github.com/nock/propagate#readme
- Issues: http://github.com/nock/propagate/issues
- npm.io page: https://npm.io/package/propagate

## Alternatives

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## Recent versions

- 2.0.1 (latest) — 2019-04-12
- 2.0.0 — 2019-04-11
- 1.0.0 — 2016-08-03
- 0.4.0 — 2016-03-15
- 0.3.1 — 2015-02-03
- 0.3.0 — 2014-01-30
- 0.2.2 — 2013-03-01
- 0.2.1 — 2013-03-01
- 0.2.0 — 2013-01-09
- 0.1.1 — 2013-01-08
- 0.1.0 — 2013-01-08

## README

# propagate

[![npm](https://img.shields.io/npm/v/nock.svg?style=flat-square)][npmjs]
[![Build Status](https://img.shields.io/travis/nock/propagate/master.svg?style=flat-square)][build]
[![Coverage](https://img.shields.io/coveralls/github/nock/propagate.svg?style=flat-square)][coverage]

[npmjs]: https://www.npmjs.com/package/propagate
[build]: https://travis-ci.org/nock/propagate
[coverage]: https://coveralls.io/github/nock/propagate

Propagate events from one event emitter into another.

## Install

```bash
$ npm install propagate
```

## Propagate

```javascript
var ee1 = new EventEmitter()
var ee2 = new EventEmitter()
propagate(ee1, ee2)

ee2.on('event', function(a, b) {
  console.log('got propagated event', a, b)
})

ee1.emit('event', 'a', 'b')
```

## Unpropagate

You can unpropagate by ending the propagation like this:

```javascript
var ee1 = new EventEmitter()
var ee2 = new EventEmitter()
var p = propagate(ee1, ee2)

// ...

p.end()
```

## Only propagate certain events:

```javascript
var ee1 = new EventEmitter()
var ee2 = new EventEmitter()
var p = propagate(['event1', 'event2'], ee1, ee2)
```

## Propagate certain events as other events:

```javascript
var ee1 = new EventEmitter()
var ee2 = new EventEmitter()
var p = propagate(
  {
    event1: 'other-event1',
    event2: 'other-event2',
  },
  ee1,
  ee2
)
```

# License

MIT

---
_Source: https://npm.io/package/propagate · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._