How to use the conf.js.background function in conf

/* Image viewer window - remote (data) part */

import * as conf from "conf.js";
import { CHILDREN, READ } from "path/path.js";

const remote = require("electron").remote;

const windowOptions = {
	center: true,
	backgroundColor: conf.background,
	webPreferences: { nodeIntegration: true }
}

export function match(path) {
	let ext = path.toString().split(".").pop();
	if (!ext) { return; }
	return ext.match(/jpe?g|gif|png|svg|bmp|ico/i);
}

export async function view(path, list) {
	let [width, height] = remote.getCurrentWindow().getSize();
	let currentOptions = { title: path.toString(), width, height };
	let options = Object.assign({}, windowOptions, currentOptions);

	let window = new remote.BrowserWindow(options);
	window.setMenu(null);

/* Audio/Video viewer window - remote (data) part */

import * as conf from "conf.js";

const remote = require("electron").remote;
const audio = /(ogg|mp3|wav|m4a)$/i;
const video = /(mpe?g|mkv|webm|mov|mp4)$/i;

const windowOptions = {
	center: true,
	backgroundColor: conf.background,
	webPreferences: { nodeIntegration: true }
}

export function match(path) {
	let ext = path.toString().split(".").pop();
	return ext.match(audio) || ext.match(video);
}

export function view(path, list) {
	let [width, height] = remote.getCurrentWindow().getSize();
	let currentOptions = { title: path.toString(), width, height };
	let options = Object.assign({}, windowOptions, currentOptions);

	let window = new remote.BrowserWindow(options);
	window.setMenu(null);
	window.loadURL(`file://${__dirname}/../viewer/av/index.html`);

/* Text viewer window - remote (data) part */

import * as conf from "conf.js";

const remote = require("electron").remote;

const windowOptions = {
	center: true,
	backgroundColor: conf.background,
	webPreferences: { nodeIntegration: true }
}

/* views everything */
export function match(path) {
	return true;	
}

export function view(path, list) {
	let [width, height] = remote.getCurrentWindow().getSize();
	let currentOptions = { title: path.toString(), width, height };
	let options = Object.assign({}, windowOptions, currentOptions);

	let window = new remote.BrowserWindow(options);
	window.setMenu(null);
	window.loadURL(`file://${__dirname}/../viewer/text/index.html`);

import * as wm from "util/windowmanager.js";
import * as conf from "conf.js";

const remote = require("electron").remote;
const TIMEOUT = 1000/30; // throttle updates to once per TIMEOUT

const windowOptions = {
	resizable: false,
	fullscreenable: false,
	center: true,
	width: 500,
	height: 100,
	show: false,
	useContentSize: true,
	backgroundColor: conf.background,
	webPreferences: { nodeIntegration: true }
}

export default class Progress {
	constructor(config) {
		this._config = config;
		this._data = {};
		this._window = null;
		this._timeout = null;
	}

	open() {
		let options = Object.assign({}, windowOptions, {title: this._config.title});
		options.parent = remote.getCurrentWindow();
		this._window = new remote.BrowserWindow(options);
		this._window.setMenu(null);

/* Issue window - remote (data) part */

import * as wm from "util/windowmanager.js";
import * as conf from "conf.js";

const remote = require("electron").remote;
const windowOptions = {
	resizable: false,
	fullscreenable: false,
	alwaysOnTop: true,
	center: true,
	width: 500,
	height: 60,
	show: false,
	useContentSize: true,
	backgroundColor: conf.background,
	webPreferences: { nodeIntegration: true }
}

export default class Issue {
	constructor(config) {
		this._config = config;
		this._window = null;
		this._resolve = null;
	}

	open() {
		let options = Object.assign({}, windowOptions, {title: this._config.title});
		options.parent = remote.getCurrentWindow();
		this._window = new remote.BrowserWindow(options);
		this._window.setMenu(null);
		this._window.loadURL(`file://${__dirname}/../issue/index.html`);

import * as conf from "conf.js";

const remote = require("electron").remote;
let window;

const windowOptions = {
	center: true,
	backgroundColor: conf.background,
	webPreferences: { nodeIntegration: true }
}

export function open() {
	if (window) { 
		window.focus();
		return;
	}

//	let [width, height] = remote.getCurrentWindow().getSize();
//	let currentOptions = { title: path.toString(), width, height };
	let options = Object.assign({}, windowOptions /*, currentOptions */);

	window = new remote.BrowserWindow(options);
	window.setMenu(null);
	window.loadURL(`file://${__dirname}/../settings/index.html`);