10 examples of 'react process env undefined' in JavaScript

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processenv () {
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  return process.env
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}

5
function nodeEnv() {
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  if (process.env.NODE_ENV) {
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    return '\'' + process.env.NODE_ENV + '\'';
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  }
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  return '\'development\'';
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}

144
protected async buildEnvVars(options: ReactServeOptions): Promise {
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  const env: NodeJS.ProcessEnv = {};
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  // Tell CRA not to open the dev server URL. We do this in Ionic CLI.
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  env.BROWSER = 'none';
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  // CRA binds to `localhost` by default, but if specified it prints a
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  // warning, so don't set `HOST` if the address is set to `localhost`.
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  if (options.address !== DEFAULT_ADDRESS) {
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    env.HOST = options.address;
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  }
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  env.PORT = String(options.port);
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  env.HTTPS = options.https ? 'true' : 'false';
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  if (options.ci) {
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    env.CI = '1';
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  }
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  if (options.reactEditor) {
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    env.REACT_EDITOR = options.reactEditor;
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  }
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  return { ...super.buildEnvVars(options), ...env };
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}

3
function nodeEnv(env) {
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    pi.env({
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        vars: {
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            NODE_ENV: env
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        }
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    });
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}

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static node_env(env) {
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  // const cross_env = 'cross-env'
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  // const cross_env = binFor(`cross-env`)
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  const cross_env = ''
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  return `${cross_env} NODE_ENV=${env}`
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}

7
function getEnv() {
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    if (!environment) {
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        throw new Error('getEnv - environment is not defined, check isNodejs() and isBrowser()');
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    }
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    return environment;
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}

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get env() {
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  return 'NODE_ENV' in process.env ? process.env.NODE_ENV : 'production';
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}

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get environment() {
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    return process.env.NODE_ENV;
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}

63
get env(): object { return this.getConfig("env", {}); }

5
export default function checkSetupEnv<
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  A extends SetupEnv,
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  B extends Exclude,
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  C extends Exclude,
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  D extends Exclude
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>(name: string, env: [A] | [A, B] | [A, B, C] | [A, B, C, D]) {
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  const type = useContextType();
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  if (env.indexOf(type as A) + 1 === 0) {
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    throw new Error(`The ${name} can not use in ${type} setup flow.`);
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  }
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  return type;
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}