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billboard.js

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Re-usable easy interface JavaScript chart library, based on D3 v4+

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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license */ import type {d3Selection} from "../../../types/types"; type T = d3Selection | null; /** * Elements class. * @class Elements * @ignore * @private */ export default class Element { constructor() { const element: {[key: string]: T | {[key: string]: T}} = { chart: null, main: null, svg: null, axis: { // axes x: null, y: null, y2: null, subX: null }, axisTooltip: { x: null, y: null, y2: null }, defs: null, tooltip: null, legend: null, title: null, subchart: { main: null, // $$.context bar: null, // $$.contextBar line: null, // $$.contextLine area: null // $$.contextArea }, arcs: null, bar: null, // mainBar, candlestick: null, line: null, // mainLine, area: null, // mainArea, circle: null, // mainCircle, radar: null, text: null, // mainText, grid: { main: null, // grid (also focus) x: null, // xgrid, y: null // ygrid, }, gridLines: { main: null, // gridLines x: null, // xgridLines, y: null // ygridLines }, region: { main: null, // region list: null // mainRegion }, eventRect: null, zoomResetBtn: null // drag zoom reset button }; return element; } }