59 lines
1.3 KiB
TypeScript
59 lines
1.3 KiB
TypeScript
import { IEmitUserInteraction } from '../../../containers/UIKit/interfaces';
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import log from './log';
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type TEventEmitterEmmitArgs =
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| { rid: string }
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| { server: string }
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| { message: string }
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| { method: string }
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| { invalid: boolean }
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| { force: boolean }
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| { hasBiometry: boolean }
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| { visible: boolean; onCancel?: null | Function }
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| { cancel: () => void }
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| { submit: (param: string) => void }
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| IEmitUserInteraction;
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class EventEmitter {
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private events: { [key: string]: any };
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constructor() {
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this.events = {};
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}
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addEventListener(event: string, listener: Function) {
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if (typeof this.events[event] !== 'object') {
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this.events[event] = [];
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}
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this.events[event].push(listener);
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return listener;
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}
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removeListener(event: string, listener: Function) {
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if (typeof this.events[event] === 'object') {
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const idx = this.events[event].indexOf(listener);
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if (idx > -1) {
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this.events[event].splice(idx, 1);
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}
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if (this.events[event].length === 0) {
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delete this.events[event];
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}
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}
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}
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emit(event: string, ...args: TEventEmitterEmmitArgs[]) {
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if (typeof this.events[event] === 'object') {
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this.events[event].forEach((listener: Function) => {
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try {
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listener.apply(this, args);
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} catch (e) {
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log(e);
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}
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});
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}
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}
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}
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const events = new EventEmitter();
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export default events;
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