@visactor/vchart/cjs/event/bubble.js

charts lib based @visactor/VGrammar

"use strict";

Object.defineProperty(exports, "__esModule", {
    value: !0
}), exports.Bubble = void 0;

const event_1 = require("../constant/event");

class Bubble {
    constructor() {
        this._map = new Map, this._levelNodes = new Map, this._levelNodes.set(event_1.Event_Bubble_Level.vchart, []), 
        this._levelNodes.set(event_1.Event_Bubble_Level.chart, []), this._levelNodes.set(event_1.Event_Bubble_Level.model, []), 
        this._levelNodes.set(event_1.Event_Bubble_Level.mark, []);
    }
    addHandler(handler, level) {
        var _a;
        const node = {
            level: level,
            handler: handler
        };
        return null === (_a = this._levelNodes.get(level)) || void 0 === _a || _a.push(node), 
        this._map.set(handler.callback, node), this;
    }
    removeHandler(handler) {
        const node = this._map.get(handler.callback);
        if (!node) return this;
        this._map.delete(handler.callback);
        const nodes = this._levelNodes.get(node.level), index = null == nodes ? void 0 : nodes.findIndex((n => n.handler.callback === handler.callback));
        return void 0 !== index && index >= 0 && (null == nodes || nodes.splice(index, 1)), 
        this;
    }
    preventHandler(handler) {
        return handler && (handler.prevented = !0), this;
    }
    allowHandler(handler) {
        return handler && (handler.prevented = !1), this;
    }
    getHandlers(level) {
        var _a;
        return (null === (_a = this._levelNodes.get(level)) || void 0 === _a ? void 0 : _a.map((node => node.handler))) || [];
    }
    getAllHandlers() {
        return Array.from(this._map.values()).map((node => node.handler)) || [];
    }
    getCount() {
        return this._map.size;
    }
    release() {
        this._map.clear(), this._levelNodes.clear();
    }
}

exports.Bubble = Bubble;
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