swOperation/node_modules/@antv/event-emitter

@antv/event-emitter

event-emitter for @antvis.

Install

npm i --save @antv/event-emitter

Usage

import EE from '@antv/event-emitter';

const ee = new EE();

ee.on('mouseover', () => {});

ee.once('click', () => {});

ee.on('*', () => {});

ee.emit('click', 1, 'hello', true);

ee.off('click');

API

Simple and similar with event-emitter.

• on(evt: string, callback: Function): listen an event.
• once(evt: string, callback: Function): listen a event only once.
• emit(evt: string, ...parameters: any[]): emit / trigger an event with parameters.
• off(evt?: string, callback?: Function): unsubscribe an event.
• getEvents(): get all the exist events.