12 lines
271 B
JavaScript
12 lines
271 B
JavaScript
const Events = require("events");
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const eventEmitter = new Events();
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eventEmitter.on('start', () => { console.log("onStart") });
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eventEmitter.emit('start');
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// one time listener
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eventEmitter.once('start', () => { console.log("onStart") });
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eventEmitter.off('start');
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