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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license */import {isDefined, isObjectType} from "../module/util";import Options from "./Options/Options";
/** * Load configuration option * @param {object} config User's generation config value * @private */export function loadConfig(config: Options): void {	const thisConfig: Options = this.config;	let target;	let keys;	let read;
	const find = () => {		const key = keys.shift();
		if (key && target && isObjectType(target) && key in target) {			target = target[key];			return find();		} else if (!key) {			return target;		}
		return undefined;	};
	Object.keys(thisConfig).forEach(key => {		target = config;		keys = key.split("_");		read = find();
		if (isDefined(read)) {			thisConfig[key] = read;		}	});}