39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
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'use strict';
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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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var REACT_APP = /^REACT_APP_/i;
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function getClientEnvironment(publicUrl) {
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var raw = Object
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.keys(process.env)
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.filter(key => REACT_APP.test(key))
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.reduce((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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// 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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// Stringify all values so we can feed into Webpack DefinePlugin
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var stringified = {
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'process.env': Object
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.keys(raw)
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.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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