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colinfwren/safely_get_env_var.js

Last active February 6, 2019 20:30
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Safely get Environment Variables
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safely_get_env_var.js
const getEnvVar = (key, safeDefault) => {
if (Object.prototype.hasOwnProperty.call(process.env, key) && !(typeof (process.env[key]) === 'undefined')) {
return process.env[key];
}
return safeDefault;
};
// Use it like
const config = {
serverUrl: getEnvVar('SERVER_URL', 'http://localhost:8080')
}
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