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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license */import {$SHAPE} from "../../config/classes";import type {d3Selection} from "../../../types/types";import type {IDataRow} from "../data/IData";import {addCssRules, isFunction, isString} from "../../module/util";
export default {	/**	 * Add props color css rule to given selector	 * @param {boolean} withShape Set shpes' prefix class	 * @param {string} selector CSS selector	 * @param {Array} props CSS props list	 * @param {Function} propsFn Function to retrieve value or determine for props	 * @returns {Function}	 * @private	 */	setCssRule(withShape: boolean, selector: string, props: string[], propsFn: Function): Function {		const $$ = this;		const {config, state: {cssRule, style}} = $$;
		return config.boost_useCssRule ? (selection: d3Selection) => {			selection.each((d: IDataRow) => {				const res = propsFn && propsFn?.call($$, d);				const shapeSelector = `${					withShape ? `.${$SHAPE.shapes + $$.getTargetSelectorSuffix(d.id)}` : ""				}${selector}`;
				(selector in cssRule) && style.sheet.deleteRule(cssRule[shapeSelector]);				$$.state.cssRule[shapeSelector] = addCssRules(					style,					shapeSelector,					props.filter(Boolean).map(v => (						isString(res) && v.indexOf(":") === -1 ? `${v}: ${res}` : (v || "")					))				);			});		} : () => {};	},
	/**	 * Get style prop value	 * @param {Function|string} v Value	 * @returns {string|null}	 * @private	 */	getStylePropValue(v: Function|string): string|null {		const {config: {boost_useCssRule: useCssRule}} = this;
		return useCssRule ? null : isFunction(v) ? v.bind(this) : v;	}};