75 lines
2.4 KiB
JavaScript
75 lines
2.4 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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// 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}.${NODE_ENV}`,
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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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// Grab NODE_ENV and WE_CHAT_MP_* 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 WE_CHAT_MP = /^WE_CHAT_MP_/i;
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function getClientEnvironment() {
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const raw = Object.keys(process.env)
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.filter((key) => WE_CHAT_MP.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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// process.env.OAK_PLATFORM: wechatMp | web | node
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OAK_PLATFORM: 'wechatMp',
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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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