vinicius73 / vue-page-title

import { buildPageTitle, safeString, isFunction } from './utils'

/**

 * if use ssr document is not available

 * @method isBrowser

 * @return {Boolean}

 */

const isBrowser = () => (typeof document !== 'undefined')

/**

 * update document.title

 * @method setPageTitle

 * @param  {String}     value new title

 * @param  {Object}     options buildPageTitle options

 * @return {void}

 */

const setPageTitle = (value, options) => {

  // test if not is a browser

  /* istanbul ignore next: SSR */

  if (!isBrowser()) {

    console.warn('no browser enviroment')

    return

  }

  // test if title is empty

  if (safeString(value).length > 0) {

    const { setTitleMethod } = options

    const title = buildPageTitle(value, options)

    // use custom setTitle method

    if (setTitleMethod && isFunction(setTitleMethod)) {

      setTitleMethod(title)

      return

    }

    document.title = title

  }

}

export { setPageTitle }