1 | 'use strict'
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2 |
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3 | const fs = require('fs')
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4 | const { ensureSlash } = require('@mara/devkit')
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5 | const paths = require('./paths')
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6 |
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7 | const NODE_ENV = process.env.NODE_ENV
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8 |
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9 | if (!NODE_ENV) {
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10 | throw new Error(
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11 | 'The NODE_ENV environment variable is required but was not specified.'
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12 | )
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13 | }
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14 |
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15 | function loadDotEnv() {
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16 |
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17 | const dotenvFiles = [
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18 | `${paths.dotenv}.${NODE_ENV}.local`,
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19 | `${paths.dotenv}.${NODE_ENV}`,
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20 |
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21 |
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22 |
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23 | NODE_ENV !== 'test' && `${paths.dotenv}.local`,
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24 | paths.dotenv
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25 | ].filter(Boolean)
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 | dotenvFiles.forEach(dotenvFile => {
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33 | if (fs.existsSync(dotenvFile)) {
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34 | require('dotenv-expand')(
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35 | require('dotenv').config({
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36 |
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37 | path: dotenvFile
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38 | })
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39 | )
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40 | }
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41 | })
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42 | }
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43 |
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44 | function loadBrowserslist() {
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45 | const browserslist = require('browserslist')
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46 |
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47 |
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48 | if (!browserslist.findConfig(paths.app)) {
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49 |
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50 | process.env.BROWSERSLIST = [
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51 | '> 1%',
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52 | 'last 4 versions',
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53 | 'ios >= 8',
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54 | 'android >= 4.1',
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55 | 'not ie < 9'
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56 | ]
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57 | }
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58 | }
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59 |
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60 | function getMaraEnv(baseEnv) {
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61 |
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62 | const maraPrefix = /^MARA_/i
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63 |
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64 | return (
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65 | Object.keys(process.env)
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66 |
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67 | .filter(key => maraPrefix.test(key))
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68 | .reduce((env, key) => {
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69 | env[key] = process.env[key]
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70 |
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71 | return env
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72 | }, baseEnv)
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73 | )
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74 | }
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75 |
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76 | function stringify(raw) {
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77 | return Object.keys(raw).reduce((env, key) => {
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78 | env[key] = JSON.stringify(raw[key])
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79 |
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80 | return env
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81 | }, {})
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82 | }
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83 |
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84 | function getEnv({ publicPath, deployEnv, globalEnv = {}, version }) {
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85 |
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86 |
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87 | const baseEnv = Object.assign({}, globalEnv, {
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88 |
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89 |
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90 | NODE_ENV: process.env.NODE_ENV || 'development',
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91 |
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92 | DEPLOY_ENV: deployEnv,
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93 | VERSION: version,
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94 |
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95 |
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96 |
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97 |
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98 | PUBLIC_URL: ensureSlash(publicPath, false)
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99 | })
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100 |
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101 | const raw = getMaraEnv(baseEnv)
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102 |
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103 |
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104 | const stringified = {
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105 | 'process.env': stringify(raw)
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106 | }
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107 |
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108 |
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109 | return { raw, stringified }
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110 | }
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111 |
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112 | loadDotEnv()
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113 |
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114 |
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115 | loadBrowserslist()
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116 |
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117 | module.exports = getEnv
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