@visactor/vgrammar-core/es/interactions/brush-active.js

VGrammar is a visual grammar library

import { InteractionStateEnum } from "../graph/enums";

import { BrushBase } from "./brush-base";

export class BrushActive extends BrushBase {
    constructor(view, option) {
        super(view, Object.assign({}, BrushActive.defaultOptions, option)), this.type = BrushActive.type, 
        this.handleBrushUpdate = event => {
            const elements = [];
            this._marks.forEach((mark => {
                mark.elements.forEach((el => {
                    this.isBrushContainGraphicItem(event.detail.operateMask, el.getGraphicItem()) ? (elements.push(el), 
                    el.addState(this.options.state)) : el.removeState(this.options.state);
                }));
            })), this._dispatchEvent(event, elements);
        };
    }
    getStartState() {
        return this.options.state;
    }
}

BrushActive.type = "brush-active", BrushActive.defaultOptions = {
    state: InteractionStateEnum.active
};
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