An event emitter is a platform for triggering and listening for events.
An event emitter is a platform for triggering and listening for events. Different libraries offer different implementations and for different purposes.
Questions tagged [eventemitter]
960 questions
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Generic component in Angular with creation/deletion API specific for several context
I would have a generic component for comments. This component has complex graphics implications and I need reuse for two different context with the same data model.
I want explain by an example. I have two different API for adding new comment to a…
70X
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2 answers
Unable to Authenticate user in Ionic3
so Basically I am trying to do Components Communication with event Emitter.
but I don,t know why I am getting this error
Type '{ result: UserCredential; }' is not assignable to type 'LoginResponse'. Types of property 'result' are
…
Eddy
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Dropdown component not having effect in Chromium browser
I have a simple pie chart with a dropdown component (based on
Gitnik
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How to test for an event to have been fired and its value?
I couldn't find any working examples to test for whether an event was emitted and whether the emitted value is as expected.
Here is the class that emits messages and its parent:
const EventEmitter = require('events').EventEmitter;
class FileHandler…
jallmer
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@Output from Child component doesn't trigger EventEmitter in Angular 5
I'm trying to use @Output with the event emitter to communicate between child to parent component to pass a variable. I followed this tutorial: https://dzone.com/articles/understanding-output-and-eventemitter-in-angular
I have taken a look to…
Patricio Vargas
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Angular 4 - Need to show error message from Directive to parent Component
I have a requirement in Calculator page where 40 fields are available. Each field is validate with number format (comma separated value) Not accept character in field. I have a problem with onkeyup event where we are checking user enter number and…
Vin
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angular 5 components changes in one component then reflect on other siblings
I have three Components A, B, C, they are all siblings. There is http.get method inside ComponentA(getting data from backend), them using dependency injection and eventemitter to pass data from A to B and A to C. Now, my problem is if I make some…
Mia
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Angular 2+ share data between a component and router-outlet
I want to pass data/variables from a component to other components build with router-outlet. I have to use EventEmitter.
This is the structure of the app:
Timba
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Sharing store change event between same hierarchical level child components
I am developing a simple React JS application for learning purpose. I just started learning React JS a few days ago. Now, I am having a problem with Flux Store. I need to share the change event across two child components on the same hierarchical…
Wai Yan Hein
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Node.js EventEmitter2; How to remove listeners added with onAny
How can I remove all event listeners that listen on any event?
I've tried removeAllListeners() but it's not working. Am I missing something?
const ee = new EventEmitter2()
ee.onAny(() => console.log('hello was fired'))
setInterval(() =>…
nicholaswmin
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MaxListenersExceededWarning in sails js
I am using sails js but encountered with this error
MaxListenersExceededWarning: Possible EventEmitter memory leak
detected. 11 connection listeners added. Use emitter.setMaxListeners()
to increase limit
is it a socket issue or something else…
The Sara
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output event emmiter throws an error in Angular 5
I'm having a weird issue, I have a project in Angular 5.2.11 with a parent and child components. Everything was working fine until I've added an @Output decorator in the child component to emmit a response to the parent component. This is is the…
HanselDoullery
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Change variable value from different component - Angular 4
I have two components, one is the home.component, and one is loading.component (loading screen). The loading screen has a countdown, and after the countdown, he does something. What I need to do is make the loading screen capable of custom countdown…
user7339086
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Pass event to directive and subscribe to it
I have a directive which has an Output of EventEmitter.
I would like to do something when the subscription of the emitted event returned subscription is completed.
(for example, I would like to do console.log('test') when save() of example.component…
Ron
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What is the best way to add the EventEmitter functionality to a Class in Node 8 that already extends another class?
I'm developing a little app in nodejs 8. I have a class that already extends another class
module.exports = class ClassOne extends ClassTwo {
}
But I'd also like my class to have the functionality of the EventEmitter class which I believe would…
Peter Fox
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