'use strict' ; const fs = require ( 'fs' ) ; const path = require ( 'path' ) ; const paths = require ( './paths' ) ; delete require . cache [ require . resolve ( './paths' ) ] ; const NODE_ENV = process . env . NODE_ENV ; if ( ! NODE_ENV ) { throw new Error ( 'The NODE_ENV environment variable is required but was not specified.' ) ; } var dotenvFiles = [ `${ paths . dotenv }.${ NODE_ENV }.local` , `${ paths . dotenv }.${ NODE_ENV }` , NODE_ENV !== 'test' && `${ paths . dotenv }.local` , paths . dotenv , ] . filter ( Boolean ) ; dotenvFiles . forEach ( dotenvFile => { if ( fs . existsSync ( dotenvFile ) ) { require ( 'dotenv' ) . config ( { path : dotenvFile , } ) ; } } ) ; const appDirectory = fs . realpathSync ( process . cwd ( ) ) ; process . env . NODE_PATH = ( process . env . NODE_PATH || '' ) . split ( path . delimiter ) . filter ( folder => folder && ! path . isAbsolute ( folder ) ) . map ( folder => path . resolve ( appDirectory , folder ) ) . join ( path . delimiter ) ; const REACT_APP = /^REACT_APP_/i ; function getClientEnvironment ( publicUrl ) { const raw = Object . keys ( process . env ) . filter ( key => REACT_APP . test ( key ) ) . reduce ( ( env , key ) => { env [ key ] = process . env [ key ] ; return env ; } , { NODE_ENV : process . env . NODE_ENV || 'development' , PUBLIC_URL : publicUrl , } ) ; const stringified = { 'process.env' : Object . keys ( raw ) . reduce ( ( env , key ) => { env [ key ] = JSON . stringify ( raw [ key ] ) ; return env ; } , { } ) , } ; return { raw , stringified } ; } module . exports = getClientEnvironment ;