node-modules/await-first

Name: await-first

Owner: node_modules

Description: Wait the first event in a set of event pairs, then clean up after itself.

Created: 2017-11-23 02:40:57.0

Updated: 2018-01-25 02:23:15.0

Pushed: 2017-11-23 16:10:20.0

Homepage:

Size: 5

Language: JavaScript

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README

await-first

Wait the first event in a set of event pairs, then clean up after itself.

Install

m install await-first --save

Example

• awaitFirst(ee, events)

t EventEmitter = require('events');
t awaitFirst = require('await-first');

c function waitMessageOrClose(ee) {
nst o = await awaitFirst(ee, [ 'message', 'close' ]);

itch (o.event) {
case 'message':
  const msg = o.args[0]; // [ 'hello world' ]
  console.log('new message =>', msg);
  break;
case 'close':
  console.log('closed');
  break;



t ee = new EventEmitter();
MessageOrClose(ee);

imeout(() => {
.emit('message', 'hello world');
000);

• obj.awaitFirst(events)

t net = require('net');
t awaitFirst = require('await-first');

c function connect() {
nst socket = net.connect(8080, '127.0.0.1');
cket.awaitFirst = awaitFirst;

y {
// wait `connect` or `error` event
await socket.awaitFirst([ 'connect', 'error' ]);
catch (err) {
console.log(err);

 ...


ect();