How to use the numeral.defaultFormat function in numeral

function init(format = DEFAULT_FORMAT, locale = 'fr') {
    numeral.locale(locale);
    numeral.defaultFormat(format);
}

import Select from '@material-ui/core/Select';
import List from '@material-ui/core/List';
import ListItem from '@material-ui/core/ListItem';
import ListItemIcon from '@material-ui/core/ListItemIcon';
import ListItemText from '@material-ui/core/ListItemText';
import DoneIcon from '@material-ui/icons/Done';
import CircularProgress from '@material-ui/core/CircularProgress';
import Fade from '@material-ui/core/Fade';
import Back from './common/Back';

const backgroundShape = require('../images/shape.svg');

const logo = require('../images/logo.svg');

const numeral = require('numeral');
numeral.defaultFormat('0');

const styles = theme => ({
  root: {
    flexGrow: 1,
    backgroundColor: theme.palette.secondary['A100'],
    overflow: 'hidden',
    background: `url(${backgroundShape}) no-repeat`,
    backgroundSize: 'cover',
    backgroundPosition: '0 400px',
    marginTop: 10,
    padding: 20,
    paddingBottom: 500
  },
  grid: {
    margin: `0 ${theme.spacing(2)}px`
  },

const fmtCurrency = (value) => {
    numeral.defaultFormat(`0,0.00`);
    return numeral(value).format();
};
/**

import OutlinedInput from '@material-ui/core/OutlinedInput';
import MenuItem from '@material-ui/core/MenuItem';
import FormControl from '@material-ui/core/FormControl';
import Select from '@material-ui/core/Select';
import CircularProgress from '@material-ui/core/CircularProgress';
import Fade from '@material-ui/core/Fade';
import Back from './common/Back';
import CustomizedSnackbars from './common/CustomizedSnackbars'


const backgroundShape = require('../images/shape.svg');

const logo = require('../images/ahorta-logo.png');

const numeral = require('numeral');
numeral.defaultFormat('0');

const styles = theme => ({
  root: {
    flexGrow: 1,
    backgroundColor: theme.palette.secondary['A100'],
    overflow: 'hidden',
    background: `url(${backgroundShape}) no-repeat`,
    backgroundSize: 'cover',
    backgroundPosition: '0 400px',
    marginTop: 10,
    padding: 20,
    paddingBottom: 500
  },
  grid: {
    margin: `0 ${theme.spacing.unit * 2}px`
  },

defaultFormat: '0,0.00[000]',
    delimiters: {
      thousands: locale.numberGroupingSeparator || ',',
      decimal: locale.numberDecimalSeparator || '.',
    },
  };

  if (typeof numeral.locales[language] === 'undefined') {
    numeral.register('locale', language, LOCAL_NUMERAL_FORMAT);
  }

  if (typeof numeral.locales[language] !== 'undefined') {
    numeral.locale(language);

    if (LOCAL_NUMERAL_FORMAT.defaultFormat) {
      numeral.defaultFormat(LOCAL_NUMERAL_FORMAT.defaultFormat);
    }
  }
}

const formatCurrency = (value) => {
    numeral.defaultFormat(`0,0.00`);
    return numeral(value).format();
};
/**

import CssBaseline from '@material-ui/core/CssBaseline';
import Paper from '@material-ui/core/Paper';
import Typography from '@material-ui/core/Typography';
import Grid from '@material-ui/core/Grid';
import Slider from '@material-ui/core/Slider';
import Button from '@material-ui/core/Button';
import Avatar from '@material-ui/core/Avatar';
import SimpleLineChart from './SimpleLineChart';
import Months from './common/Months';
import VerifiedUserIcon from '@material-ui/icons/VerifiedUser';
import Loading from './common/Loading';

import Topbar from './Topbar';

const numeral = require('numeral');
numeral.defaultFormat('0,000');

const backgroundShape = require('../images/shape.svg');

const styles = theme => ({
  root: {
    flexGrow: 1,
    backgroundColor: theme.palette.grey['100'],
    overflow: 'hidden',
    background: `url(${backgroundShape}) no-repeat`,
    backgroundSize: 'cover',
    backgroundPosition: '0 400px',
    paddingBottom: 200
  },
  grid: {
    width: 1200,
    margin: `0 ${theme.spacing(2)}px`,

import List from '@material-ui/core/List';
import ListItem from '@material-ui/core/ListItem';
import ListItemText from '@material-ui/core/ListItemText';
import ListItemAvatar from '@material-ui/core/ListItemAvatar';
import AccountBoxIcon from '@material-ui/icons/AccountBox';
import SectionHeader from './typo/SectionHeader';

import ImageCard from './cards/ImageCard'
import Topbar from './Topbar';
import SensorChart from './SensorChart'

import { Percent as percent } from '../modules/Percent'
import { host } from '../url'

const numeral = require('numeral');
numeral.defaultFormat('0');

const backgroundShape = require('../images/shape.svg');

const styles = theme => ({
  root: {
    flexGrow: 1,
    backgroundColor: theme.palette.grey['100'],
    overflow: 'hidden',
    background: `url(${backgroundShape}) no-repeat`,
    backgroundSize: 'cover',
    backgroundPosition: '0 400px',
    paddingBottom: 200
  },
  grid: {
    width: 1200,
    margin: `0 ${theme.spacing.unit * 2}px`,

import Step from '@material-ui/core/Step';
import StepLabel from '@material-ui/core/StepLabel';
import OutlinedInput from '@material-ui/core/OutlinedInput';
import FormGroup from '@material-ui/core/FormGroup';
import FormControlLabel from '@material-ui/core/FormControlLabel';
import Checkbox from '@material-ui/core/Checkbox';
import MenuItem from '@material-ui/core/MenuItem';
import FormControl from '@material-ui/core/FormControl';
import Select from '@material-ui/core/Select';
import Back from './common/Back'

const qs = require('query-string');
const backgroundShape = require('../images/shape.svg');

const numeral = require('numeral');
numeral.defaultFormat('0,000');

const styles = theme => ({
  root: {
    flexGrow: 1,
    backgroundColor: theme.palette.primary['A100'],
    overflow: 'hidden',
    background: `url(${backgroundShape}) no-repeat`,
    backgroundSize: 'cover',
    backgroundPosition: '0 400px',
    marginTop: 10,
    padding: 20,
    paddingBottom: 200
  },
  grid: {
    margin: `0 ${theme.spacing(2)}px`
  },