export const clientId = ( ) : string => { return typeof process . env . QIITA_CLIENT_ID === 'string' ? process . env . QIITA_CLIENT_ID : '' ; } ; export const clientSecret = ( ) : string => { return typeof process . env . QIITA_CLIENT_SECRET === 'string' ? process . env . QIITA_CLIENT_SECRET : '' ; } ; export const appUrl = ( ) : string => { return typeof process . env . APP_URL === 'string' ? process . env . APP_URL : '' ; } ;