config-manager.ts
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config-manager.ts
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	import dotProp from "dot-prop";
	import merge from "deepmerge";
	import type Config from "./config";

	type ConfigObject = { [key: string]: any };

	export default class ConfigManager {
	DEFAULT_CONFIG: ConfigObject;
	CUSTOM_CONFIG: ConfigObject;
	isLocked: boolean;
	constructor() {
	this.DEFAULT_CONFIG = {};
	this.CUSTOM_CONFIG = {};
	this.isLocked = false;
	}
	setDefault(key: string, value: any) {
	this._setGivenConfig(this.DEFAULT_CONFIG, key, value);
	}
	getDefaultConfig(key: string) {
	return dotProp.get(this.DEFAULT_CONFIG, key);
	}
	set(key: string, value: any) {
	this._setGivenConfig(this.CUSTOM_CONFIG, key, value);
	}
	_setGivenConfig(config: ConfigObject, key: string, value: any) {
	this._warnIfLocked();
	dotProp.set(config, key, value);
	}
	_warnIfLocked() {
	if (this.isLocked) {
	console.warn(
	"Warning: " +
	"you shouldn't change config after ConfigManager was locked"
	);
	}
	}
	setRoot(params: ConfigObject) {
	this._warnIfLocked();
	this.CUSTOM_CONFIG = merge(this.CUSTOM_CONFIG, params);
	}
	get<Key extends keyof Config>(key: Key): Config[Key] {
	return dotProp.get(
	merge(this.DEFAULT_CONFIG, this.CUSTOM_CONFIG),
	key
	) as Config[Key];
	}
	lock() {
	this.isLocked = true;
	}
	}