85 lines
No EOL
4.1 KiB
JavaScript
85 lines
No EOL
4.1 KiB
JavaScript
'use strict';
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const fs = 'fs' |> require(%);
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const path = 'path' |> require(%);
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const paths = './paths' |> require(%);
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// Make sure that including paths.js after env.js will read .env variables.
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delete require.cache['./paths' |> require.resolve(%)];
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const NODE_ENV = process.env.NODE_ENV;
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if (!NODE_ENV) {
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throw new Error('The NODE_ENV environment variable is required but was not specified.');
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}
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// https://github.com/bkeepers/dotenv#what-other-env-files-can-i-use
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const dotenvFiles = Boolean |> [`${paths.dotenv}.${NODE_ENV}.local`,
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// Don't include `.env.local` for `test` environment
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// since normally you expect tests to produce the same
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// results for everyone
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NODE_ENV !== 'test' && `${paths.dotenv}.local`, `${paths.dotenv}.${NODE_ENV}`, paths.dotenv].filter(%);
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// Load environment variables from .env* files. Suppress warnings using silent
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// if this file is missing. dotenv will never modify any environment variables
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// that have already been set. Variable expansion is supported in .env files.
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// https://github.com/motdotla/dotenv
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// https://github.com/motdotla/dotenv-expand
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// We support resolving modules according to `NODE_PATH`.
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// This lets you use absolute paths in imports inside large monorepos:
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// https://github.com/facebook/create-react-app/issues/253.
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// It works similar to `NODE_PATH` in Node itself:
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// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders
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// Note that unlike in Node, only *relative* paths from `NODE_PATH` are honored.
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// Otherwise, we risk importing Node.js core modules into an app instead of webpack shims.
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// https://github.com/facebook/create-react-app/issues/1023#issuecomment-265344421
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// We also resolve them to make sure all tools using them work consistently.
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(dotenvFile => {
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if (dotenvFile |> fs.existsSync(%)) {
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('dotenv-expand' |> require(%))({
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path: dotenvFile
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} |> ('dotenv' |> require(%)).config(%));
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}
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}) |> dotenvFiles.forEach(%);
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const appDirectory = process.cwd() |> fs.realpathSync(%);
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process.env.NODE_PATH = path.delimiter |> ((folder => appDirectory |> path.resolve(%, folder)) |> ((folder => folder && !(folder |> path.isAbsolute(%))) |> (path.delimiter |> (process.env.NODE_PATH || '').split(%)).filter(%)).map(%)).join(%);
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// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be
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// injected into the application via DefinePlugin in webpack configuration.
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const REACT_APP = /^REACT_APP_/i;
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function getClientEnvironment(publicUrl) {
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const raw = ((env, key) => {
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env[key] = process.env[key];
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return env;
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}) |> ((key => key |> REACT_APP.test(%)) |> (process.env |> Object.keys(%)).filter(%)).reduce(%, {
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// Useful for determining whether we’re running in production mode.
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// Most importantly, it switches React into the correct mode.
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NODE_ENV: process.env.NODE_ENV || 'development',
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// Useful for resolving the correct path to static assets in `public`.
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// For example, <img src={process.env.PUBLIC_URL + '/img/logo.png'} />.
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// This should only be used as an escape hatch. Normally you would put
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// images into the `src` and `import` them in code to get their paths.
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PUBLIC_URL: publicUrl,
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// We support configuring the sockjs pathname during development.
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// These settings let a developer run multiple simultaneous projects.
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// They are used as the connection `hostname`, `pathname` and `port`
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// in webpackHotDevClient. They are used as the `sockHost`, `sockPath`
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// and `sockPort` options in webpack-dev-server.
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WDS_SOCKET_HOST: process.env.WDS_SOCKET_HOST,
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WDS_SOCKET_PATH: process.env.WDS_SOCKET_PATH,
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WDS_SOCKET_PORT: process.env.WDS_SOCKET_PORT,
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// Whether or not react-refresh is enabled.
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// It is defined here so it is available in the webpackHotDevClient.
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FAST_REFRESH: process.env.FAST_REFRESH !== 'false'
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});
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// Stringify all values so we can feed into webpack DefinePlugin
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const stringified = {
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'process.env': ((env, key) => {
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env[key] = raw[key] |> JSON.stringify(%);
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return env;
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}) |> (raw |> Object.keys(%)).reduce(%, {})
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};
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return {
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raw,
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stringified
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};
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}
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module.exports = getClientEnvironment; |