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js.event_emitter
Advanced tools
npm install js.event_emitter --save
import EventEmitter from "js.event_emitter";
class Cat extends EventEmitter {}
class Dog extends EventEmitter {
constructor(){
this.name = "Bob";
}
gav(){
console.log( this.name + " gav" );
}
manyGav(){
console.log( this.name + " gav gav gav" );
}
}
let dog = new Dog,
cat = new Cat;
cat.on( // attach event handler, call on every trigger
"run", // event name
dog.gav, // event handler
dog // callback context
);
cat.one( "run", dog.manyGav, dog ); // call on first trigger
cat.trigger( "run" ); // > "Bob gav"
// > "Bob gav gav gav"
cat.trigger( "run" ); // > "Bob gav"
cat.trigger( "run" ); // > "Bob gav"
cat.off(); // detach all handlers of all events
cat.off( "run" ); // detach all handlers of "run" event
cat.off( "run", dog.gav ); // detach dog.gav handler of "run" event
cat.off( "run", dog.gav, dog ); // detach dog.gav handler of "run" event when context is dog
FAQs
Event emitter for es6 classes
The npm package js.event_emitter receives a total of 7 weekly downloads. As such, js.event_emitter popularity was classified as not popular.
We found that js.event_emitter 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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