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modify-event
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Modify the value of the specific object's event
const {EventEmitter} = require('events');
const modifyEvent = require('modify-event');
const emitter = new EventEmitter();
modifyEvent(emitter, 'foo', val => val * 2);
emitter.on('foo', data => {
data; //=> 2
});
emitter.emit('foo', 1);
npm install modify-event
const modifyEvent = require('modify-event');
eventEmitter: Object
(an instance of EventEmitter
or its inheritance e.g. Stream
)
eventName: String
(event name)
modifier: Function
Return: Object
(Same as the first argument)
It changes the first argument of the event listeners for a given event, in response to the return value of the modifier function.
const {EventEmitter} = require('events');
const modifyEvent = require('modify-event');
const emitter = new EventEmitter();
modifyEvent(emitter, 'data', val => val + 'b');
modifyEvent(emitter, 'data', val => val + 'c');
emitter
.on('data', listener)
.emit('data', 'a');
function listener(data) {
data; //=> 'abc'
}
Copyright (c) 2015 - 2016 Shinnosuke Watanabe
Licensed under the MIT License.
FAQs
Modify the value of the specific object's event
The npm package modify-event receives a total of 444 weekly downloads. As such, modify-event popularity was classified as not popular.
We found that modify-event demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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