@visactor/vrender-core/es/event/federated-event/base-event.js

## Description

import { isFunction } from "@visactor/vutils";

export class FederatedEvent {
    get layerX() {
        return this.layer.x;
    }
    get layerY() {
        return this.layer.y;
    }
    get pageX() {
        return this.page.x;
    }
    get pageY() {
        return this.page.y;
    }
    get x() {
        return this.canvas.x;
    }
    get y() {
        return this.canvas.y;
    }
    get canvasX() {
        return this.canvas.x;
    }
    get canvasY() {
        return this.canvas.y;
    }
    get viewX() {
        return this.viewport.x;
    }
    get viewY() {
        return this.viewport.y;
    }
    constructor(manager) {
        this.bubbles = !0, this.cancelBubble = !0, this.cancelable = !1, this.composed = !1, 
        this.defaultPrevented = !1, this.eventPhase = FederatedEvent.prototype.NONE, this.propagationStopped = !1, 
        this.propagationImmediatelyStopped = !1, this.layer = {
            x: 0,
            y: 0
        }, this.page = {
            x: 0,
            y: 0
        }, this.canvas = {
            x: 0,
            y: 0
        }, this.viewport = {
            x: 0,
            y: 0
        }, this.NONE = 0, this.CAPTURING_PHASE = 1, this.AT_TARGET = 2, this.BUBBLING_PHASE = 3, 
        this.manager = manager;
    }
    composedPath() {
        return !this.manager || this.path && this.path[this.path.length - 1] === this.target || (this.path = this.target ? this.manager.propagationPath(this.target) : []), 
        this.composedDetailPath(), this.path;
    }
    composedDetailPath() {
        return this.pickParams && this.pickParams.graphic ? (this.detailPath = this.path.slice(), 
        this._composedDetailPath(this.pickParams)) : this.detailPath = this.path.slice(), 
        this.detailPath;
    }
    _composedDetailPath(params) {
        if (params && params.graphic) {
            const g = this.pickParams.graphic;
            if (g.stage) {
                const path = g.stage.eventSystem.manager.propagationPath(g);
                this.detailPath.push(path), this._composedDetailPath(params.params);
            }
        }
    }
    preventDefault() {
        try {
            this.nativeEvent instanceof Event && this.nativeEvent.cancelable && this.nativeEvent.preventDefault();
        } catch (err) {
            this.nativeEvent.preventDefault && isFunction(this.nativeEvent.preventDefault) && this.nativeEvent.preventDefault();
        }
        this.defaultPrevented = !0;
    }
    stopImmediatePropagation() {
        this.propagationImmediatelyStopped = !0;
    }
    stopPropagation() {
        try {
            this.nativeEvent instanceof Event && this.nativeEvent.cancelable && this.nativeEvent.stopPropagation();
        } catch (err) {
            this.nativeEvent.stopPropagation && isFunction(this.nativeEvent.stopPropagation) && this.nativeEvent.stopPropagation();
        }
        this.propagationStopped = !0;
    }
    initEvent() {}
    initUIEvent() {}
    clone() {
        throw new Error("Method not implemented.");
    }
}
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