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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license */import {KEY} from "../../module/Cache";import {getMinMax, isFunction, isNumber, isObject} from "../../module/util";
export default {	/**	 * Initializer	 * @private	 */	initBubble(): void {		const $$ = this;		const {config} = $$;
		if ($$.hasType("bubble")) {			config.point_show = true;			config.point_type = "circle";			config.point_sensitivity = 25;		}	},
	/**	 * Get user agent's computed value	 * @returns {number}	 * @private	 */	getBaseLength(): number {		const $$ = this;		const {width, height} = $$.state;		const cacheKey = KEY.bubbleBaseLength;		let baseLength = $$.cache.get(cacheKey);
		if (!baseLength) {			$$.cache.add(cacheKey, baseLength = getMinMax("min", [width, height]));		}
		return baseLength;	},
	/**	 * Get the radius value for bubble circle	 * @param {object} d Data object	 * @returns {number}	 * @private	 */	getBubbleR(d): number {		const $$ = this;		let maxR = $$.config.bubble_maxR;
		if (isFunction(maxR)) {			maxR = maxR.bind($$.api)(d);		} else if (!isNumber(maxR)) {			maxR = ($$.getBaseLength() / ($$.getMaxDataCount() * 2)) + 12;		}
		const max = getMinMax("max", $$.getMinMaxData().max.map(d => (			$$.isBubbleZType(d) ?				$$.getBubbleZData(d.value, "y") : (					isObject(d.value) ? d.value.mid : d.value				)		)));		const maxArea = maxR * maxR * Math.PI;		const area = ($$.isBubbleZType(d) ? $$.getBubbleZData(d.value, "z") : d.value) * (maxArea / max);
		return Math.sqrt(area / Math.PI);	},
	/**	 * Get bubble dimension data	 * @param {object|Array} d data value	 * @param {string} type - y or z	 * @returns {number}	 * @private	 */	getBubbleZData(d, type: "y" | "z"): number {		return isObject(d) ? d[type] : d[type === "y" ? 0 : 1];	}};