mirror of
https://github.com/openmhz/trunk-server.git
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56 lines
2.2 KiB
JavaScript
56 lines
2.2 KiB
JavaScript
const fs = require('fs')
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const path = require('path')
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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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// 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/facebookincubator/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/facebookincubator/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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function getClientEnvironment(publicUrl) {
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const raw = Object.keys(process.env)
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.reduce(
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(env, key) => {
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env[key] = process.env[key] // eslint-disable-line no-param-reassign
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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]) // eslint-disable-line no-param-reassign
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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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