web-ifc-viewer/dist/components/context/ifcEvent.js

IFC viewer

export var IfcEvent;
(function (IfcEvent) {
    IfcEvent["onCameraReady"] = "onCameraReady";
})(IfcEvent || (IfcEvent = {}));
export class IfcEvents {
    constructor() {
        this.events = {
            [IfcEvent.onCameraReady]: {
                needsUpdate: false,
                published: false,
                actions: []
            }
        };
    }
    dispose() {
        this.events.onCameraReady.actions.length = 0;
        this.events = null;
    }
    subscribe(event, action) {
        this.events[event].actions.push(action);
        this.events[event].needsUpdate = true;
        this.update(event);
    }
    publish(event) {
        this.events[event].published = true;
        this.update(event);
    }
    update(event) {
        if (this.events[event].needsUpdate && this.events[event].published) {
            const actions = this.events[event].actions;
            for (let i = 0; i < actions.length; i++) {
                actions[i]();
            }
            actions.length = 0;
        }
    }
}
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