mframejs/dist/esm/utils/domEventHandler.js

simple framework

import { DOM } from '../utils/exported';
export class DomEventHandler {
    constructor() {
        this.count = 0;
        this.id = [];
        this.events = [];
        this.target = [];
        this.call = [];
        this.eventHandlerBinded = this.eventHandler.bind(this);
    }
    listenFor(event, target, call) {
        this.count++;
        if (this.events.indexOf(event) === -1) {
            this.addEventListener(event);
        }
        this.id.push(this.count);
        this.events.push(event);
        this.target.push(target);
        this.call.push(call);
        return this.count;
    }
    removeListener(id) {
        this.id.splice(id, 1);
        const event = this.events.splice(id, 1);
        this.target.splice(id, 1);
        this.call.splice(id, 1);
        if (this.events.indexOf(event) === -1) {
            this.removeEventListener(event);
        }
    }
    addEventListener(event) {
        DOM.document.body.addEventListener(event, this.eventHandlerBinded, false);
    }
    removeEventListener(event) {
        DOM.document.body.removeEventListener(event, this.eventHandlerBinded, false);
    }
    eventHandler(event) {
        const targetID = this.target.indexOf(event.target);
        const targetEvent = this.events[targetID];
        const eventID = this.events.indexOf(event.type);
        if (eventID !== -1 && targetID !== -1) {
            if (targetID !== -1 && targetEvent === event.type) {
                this.call[targetID](event);
            }
            else {
            }
        }
    }
}
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