mirror of
https://github.com/laurent22/joplin.git
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94 lines
3.3 KiB
JavaScript
94 lines
3.3 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const path = require('path');
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const paths = require('./paths');
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// Make sure that including paths.js after env.js will read .env variables.
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delete require.cache[require.resolve('./paths')];
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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(
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'The NODE_ENV environment variable is required but was not specified.'
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);
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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 = [
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`${paths.dotenv}.${NODE_ENV}.local`,
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`${paths.dotenv}.${NODE_ENV}`,
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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`,
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paths.dotenv,
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].filter(Boolean);
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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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dotenvFiles.forEach(dotenvFile => {
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if (fs.existsSync(dotenvFile)) {
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require('dotenv-expand')(
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require('dotenv').config({
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path: dotenvFile,
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})
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);
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}
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});
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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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const appDirectory = fs.realpathSync(process.cwd());
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process.env.NODE_PATH = (process.env.NODE_PATH || '')
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.split(path.delimiter)
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.filter(folder => folder && !path.isAbsolute(folder))
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.map(folder => path.resolve(appDirectory, folder))
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.join(path.delimiter);
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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 = Object.keys(process.env)
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.filter(key => REACT_APP.test(key))
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.reduce(
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(env, key) => {
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env[key] = process.env[key];
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return env;
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},
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{
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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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}
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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': Object.keys(raw).reduce((env, key) => {
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env[key] = JSON.stringify(raw[key]);
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return env;
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}, {}),
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};
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return { raw, stringified };
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}
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module.exports = getClientEnvironment;
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