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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license *//** * State class. * @class State * @ignore * @private */export default class State {	constructor() {		return {			// chart drawn area dimension, excluding axes			width: 0,			width2: 0,			height: 0,			height2: 0,			margin: {				top: 0,				bottom: 0,				left: 0,				right: 0			},			margin2: {				top: 0,				bottom: 0,				left: 0,				right: 0			},			margin3: {				top: 0,				bottom: 0,				left: 0,				right: 0			},			arcWidth: 0,			arcHeight: 0,			xAxisHeight: 0,
			hasAxis: false,			hasRadar: false,			hasTreemap: false,
			// for data CSS rule index (used when boost.useCssRule is true)			cssRule: {},
			current: {				// current domain value. Assigned when is zoom is called				domain: undefined,
				// chart whole dimension				width: 0,				height: 0,				dataMax: 0,
				maxTickSize: {					x: {						width: 0,						height: 0,						ticks: <(number | string)[]>[],						clipPath: 0,						domain: ""					},					y: {width: 0, height: 0, domain: ""},					y2: {width: 0, height: 0, domain: ""}				},
				// current used chart type list				types: <string[]>[],				needle: undefined // arc needle current value			},
			// legend			isLegendRight: false,			isLegendInset: false,			isLegendTop: false,			isLegendLeft: false,			legendStep: 0,			legendItemWidth: 0,			legendItemHeight: 0,			legendHasRendered: false,
			eventReceiver: {				currentIdx: -1, // current event interaction index				rect: {}, // event rect's clientBoundingRect				data: [], // event data bound of previoous eventRect				coords: [] // coordination value of previous eventRect			},
			axis: {				x: {					padding: {left: 0, right: 0},					tickCount: 0				}			},
			rotatedPadding: {				left: 30,				right: 0,				top: 5			},
			withoutFadeIn: {},			inputType: "",
			datetimeId: "",
			// clip id string			clip: {				id: "",				idXAxis: "",				idYAxis: "",				idXAxisTickTexts: "",				idGrid: "",				idSubchart: "", // clipIdForSubchart				path: "",				pathXAxis: "",				pathYAxis: "",				pathXAxisTickTexts: "",				pathGrid: ""			},
			// state			event: null, // event object			dragStart: null,			dragging: false,			flowing: false,			cancelClick: false,			mouseover: false,			rendered: false,			transiting: false,			redrawing: false, // if redraw() is on process			resizing: false, // resize event called			toggling: false, // legend toggle			zooming: false,			hasNegativeValue: false,			hasPositiveValue: true,
			orgAreaOpacity: "0.2",			orgConfig: {}, // user original genration config
			// ID strings			hiddenTargetIds: <string[]>[],			hiddenLegendIds: <string[]>[],			focusedTargetIds: <string[]>[],			defocusedTargetIds: <string[]>[],
			// value for Arc			radius: 0,			innerRadius: <{[key: string]: number} | number>0,			outerRadius: <{[key: string]: number} | number | undefined>undefined,			innerRadiusRatio: 0,			gaugeArcWidth: 0,			radiusExpanded: 0,
			// xgrid attribute			xgridAttr: {				x1: <number | null>null,				x2: <number | null>null,				y1: <number | null>null,				y2: <number | null>null			}		};	}}