How to use the ansi-styles.gray function in ansi-styles

const homedir = require('os').homedir()
const path = require('path')
// eslint-disable-next-line security/detect-child-process
const execSync = require('child_process').execSync
const getKubesailConfig = require('get-kubesail-config')
const inquirer = require('inquirer')
inquirer.registerPrompt('fuzzypath', require('inquirer-fuzzy-path'))
const fs = require('fs')
const program = require('commander')
const yaml = require('js-yaml')
const style = require('ansi-styles')
const errArrows = `${style.red.open}>>${style.red.close}`
const warning = `${style.green.open}!!${style.green.close}`

const NEW_KUBESAIL_CONTEXT = `KubeSail${style.gray.open} | Deploy on a free Kubernetes namespace${
  style.gray.close
}`
const KUBESAIL_REGISTRY = 'registry.kubesail.io'
const KUBE_CONFIG_PATH = path.join(homedir, '.kube', 'config')

const execToStdout = { stdio: [process.stdin, process.stdout, process.stderr] }

function fatal (message /*: string */) {
  process.stderr.write(`${errArrows} ${message}\n`)
  process.exit(1)
}

const packageJsonPath = 'package.json'

let packageJson
try {

const style = require('ansi-styles')
const fs = require('fs')
const path = require('path')
const homedir = require('os').homedir()
const yaml = require('js-yaml')
const inquirer = require('inquirer')
// eslint-disable-next-line security/detect-child-process
const execSync = require('child_process').execSync
const commandExists = require('command-exists')
const chalk = require('chalk')

const WARNING = `${style.green.open}!!${style.green.close}`
const ERR_ARROWS = `${style.red.open}>>${style.red.close}`
const KUBE_CONFIG_PATH = path.join(homedir, '.kube', 'config')
const NEW_KUBESAIL_CONTEXT = `KubeSail${style.gray.open} | Deploy on a free Kubernetes namespace${style.gray.close}`

function fatal (message /*: string */) {
  process.stderr.write(`${ERR_ARROWS} ${message}\n`)
  process.exit(1)
}

const execSyncWithEnv = (cmd, options = {}) => {
  const mergedOpts = Object.assign({}, options, {
    catchErr: true,
    env: Object.assign({}, process.env, options.env)
  })
  let output
  try {
    output = execSync(cmd, mergedOpts)
  } catch (err) {
    if (mergedOpts.catchErr) {

const homedir = require('os').homedir()
const path = require('path')
// eslint-disable-next-line security/detect-child-process
const execSync = require('child_process').execSync
const getKubesailConfig = require('get-kubesail-config')
const inquirer = require('inquirer')
inquirer.registerPrompt('fuzzypath', require('inquirer-fuzzy-path'))
const fs = require('fs')
const program = require('commander')
const yaml = require('js-yaml')
const style = require('ansi-styles')
const errArrows = `${style.red.open}>>${style.red.close}`
const warning = `${style.green.open}!!${style.green.close}`

const NEW_KUBESAIL_CONTEXT = `KubeSail${style.gray.open} | Deploy on a free Kubernetes namespace${
  style.gray.close
}`
const KUBESAIL_REGISTRY = 'registry.kubesail.io'
const KUBE_CONFIG_PATH = path.join(homedir, '.kube', 'config')

const execToStdout = { stdio: [process.stdin, process.stdout, process.stderr] }

function fatal (message /*: string */) {
  process.stderr.write(`${errArrows} ${message}\n`)
  process.exit(1)
}

const packageJsonPath = 'package.json'

let packageJson
try {
  packageJson = JSON.parse(fs.readFileSync(packageJsonPath))

function teamNumberToAnsi(teamNum) {
    if (teamNum === 2 /* Terrorists */) {
        return ansiStyles.redBright.open;
    }
    if (teamNum === 3 /* CounterTerrorists */) {
        return ansiStyles.blueBright.open;
    }
    return ansiStyles.gray.open;
}
function parseDemoFile(path) {

var styles = (function () {
	var ret = {};

	ansiStyles.grey = ansiStyles.gray;

	Object.keys(ansiStyles).forEach(function (key) {
		ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g');

		ret[key] = {
			get: function () {
				return build(this._styles.concat(key));
			}
		};
	});

	return ret;
})();

var styles = (function () {
	var ret = {};

	ansiStyles.grey = ansiStyles.gray;

	Object.keys(ansiStyles).forEach(function (key) {
		ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g');

		ret[key] = {
			get: function () {
				return build(this._styles.concat(key));
			}
		};
	});

	return ret;
})();

module.exports = function createHeader(nameAndArgs, packageInfo, isTTY) {
    if (!packageInfo) {
        return `\n> ${nameAndArgs}\n\n`
    }

    const index = nameAndArgs.indexOf(" ")
    const name = (index === -1) ? nameAndArgs : nameAndArgs.slice(0, index)
    const args = (index === -1) ? "" : nameAndArgs.slice(index + 1)
    const packageName = packageInfo.body.name
    const packageVersion = packageInfo.body.version
    const scriptBody = packageInfo.body.scripts[name]
    const packagePath = packageInfo.path
    const color = isTTY ? ansiStyles.gray : { open: "", close: "" }

    return `
${color.open}> ${packageName}@${packageVersion} ${name} ${packagePath}${color.close}
${color.open}> ${scriptBody} ${args}${color.close}

`
}

module.exports = function terminal_plugin(md,options) {
  var defaultOptions = {
    styleOptions: {
      code: styles.yellow,
      blockquote: terminal.compoundStyle(['gray','italic']),
      html: styles.gray,
      heading: terminal.compoundStyle(['green','bold']),
      firstHeading: terminal.compoundStyle(['magenta','underline','bold']),
      hr: styles.reset,
      listitem: styles.reset,
      table: styles.reset,
      paragraph: styles.reset,
      strong: styles.bold,
      em: styles.italic,
      codespan: styles.yellow,
      del: terminal.compoundStyle(['dim','gray','strikethrough']),
      link: styles.blue,
      href: terminal.compoundStyle(['blue','underline'])
    },
    unescape: true
  };