@revgaming/global/src/bootstraps/languages.js

application bundle to globalize with ioc-like loader and localizations

import {
  locale,
  setLocale,
  translate,
  languages,
  langName,
  mergeTranslations,
  getCollection,
  detectLang,
  setFallBack,
  hasTranslation,
} from '@revgaming/languages'

const globalizeLang = key => {
  if (key === false) return
  if (typeof key !== 'string') throw 'global function name must be string'
  else if (window[key] !== undefined)
    throw `global ${key} for translate is already exists`
  else window[key] = translate
}

export const bootLanguages = opts => {
  if (opts.hasOwnProperty('locale')) {
    if (opts.locale === 'detect') {
      detectLang()
    }
    else if (typeof opts.locale === 'object') {
      detectLang(opts.locale)
    }
    else setLocale(opts.locale)
  } else detectLang()

  if (opts.hasOwnProperty('fallback')) {
    setFallBack(opts.fallback)
  }

  if (opts.hasOwnProperty('translations')) {
    mergeTranslations(opts.translations)
  }
  else {
    mergeTranslations(opts)
  }

  globalizeLang(opts.global ?? '__')

  return {
    locale: locale,
    setLocale: setLocale,
    translate: translate,
    languages: languages,
    langName: langName,
    langHas: hasTranslation,
    mergeTranslations: mergeTranslations,
    translations: getCollection,
  }
}