contexts.LocaleContext.tsx Maven / Gradle / Ivy

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import { createContext, useEffect, useState } from 'react'
import { SetState }                           from 'types/react'
import moment                                 from 'moment'
import 'moment/locale/nl' // critical for dutch moment translations 

import LambdaComponent from 'components/common/LambdaComponent'
import { getInitialLocale, toLocaleProps } from 'contexts/utils/localization-utils'
import Settings from 'helpers/settings'
import i18n from 'utils/i18n'
import { getRegionAndLanguage, toDisplayLanguage } from 'utils/language'

export type LocaleConfig = {
  language: string
  locale: string
  muiKey?: string
  muiLocale: string
  dateFnsKey?: string
  dateFnsLocale?: {
    code: string
    formatDistance: any
    formatLong: any
    formatRelative: any
    localize: object
    match: object
    options: object
  }
  setLocale: SetState
}

interface LocaleConfigProps extends LocaleConfig {
  children: React.ReactNode
}

export const LocaleContext = createContext({} as LocaleConfig);

const LocaleProvider = ({children, ...props}: LocaleConfigProps)  => {
	const [locale, setLocale] = useState(() => getInitialLocale(props.locale))
  const settings            = new Settings()
  
  const setLanguage = (locale: string) => {
    const rl = getRegionAndLanguage(locale)
    const language = rl ? rl.language : 'en'

    moment.locale(language/*, dateFormats[language]*/)

    i18n.changeLanguage(language)
      .then( () => { console.log("Language: %o", toDisplayLanguage(locale)) } )
  }

  useEffect(() => {
    // store locale
    settings.setLocale(locale)

    // set language
    setLanguage(locale)
  }, [locale])

  const localeConfig: LocaleConfig = {...toLocaleProps(locale), setLocale}
  return (
    
			
				{children}
			
    
  )
}
/*
const dateFormats: any = {
  "en": {
    longDateFormat : {
      LT: "h:mm:ss A", // <----------- add :ss
      LLL: "MMMM D, YYYY LT",
    }
  },
  "nl": {
    longDateFormat : {
      LT: "H:mm:ss",
      LLL: "D MMMM YYYY LT",
    }
  }
}
*/
export default LocaleProvider