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7 |
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8 | 'use strict';
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9 |
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10 |
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11 |
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12 |
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13 | process.on('unhandledRejection', err => {
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14 | throw err;
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15 | });
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16 |
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17 | const fs = require('fs-extra');
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18 | const path = require('path');
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19 | const prompts = require('prompts');
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20 | const execSync = require('child_process').execSync;
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21 | const chalk = require('react-dev-utils/chalk');
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22 | const paths = require('../config/paths');
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23 | const createJestConfig = require('./utils/createJestConfig');
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24 | const spawnSync = require('react-dev-utils/crossSpawn').sync;
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25 | const os = require('os');
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26 |
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27 | const green = chalk.green;
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28 | const cyan = chalk.cyan;
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29 |
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30 | function getGitStatus() {
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31 | try {
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32 | let stdout = execSync(`git status --porcelain`, {
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33 | stdio: ['pipe', 'pipe', 'ignore'],
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34 | }).toString();
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35 | return stdout.trim();
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36 | } catch (e) {
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37 | return '';
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38 | }
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39 | }
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40 |
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41 | function tryGitAdd(appPath) {
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42 | try {
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43 | spawnSync(
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44 | 'git',
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45 | ['add', path.join(appPath, 'config'), path.join(appPath, 'scripts')],
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46 | {
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47 | stdio: 'inherit',
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48 | }
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49 | );
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50 |
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51 | return true;
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52 | } catch (e) {
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53 | return false;
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54 | }
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55 | }
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56 |
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57 | console.log(
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58 | chalk.cyan.bold(
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59 | 'NOTE: Create React App 2+ supports TypeScript, Sass, CSS Modules and more without ejecting: ' +
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60 | 'https://reactjs.org/blog/2018/10/01/create-react-app-v2.html'
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61 | )
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62 | );
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63 | console.log();
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64 |
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65 | prompts({
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66 | type: 'confirm',
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67 | name: 'shouldEject',
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68 | message: 'Are you sure you want to eject? This action is permanent.',
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69 | initial: false,
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70 | }).then(answer => {
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71 | if (!answer.shouldEject) {
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72 | console.log(cyan('Close one! Eject aborted.'));
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73 | return;
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74 | }
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75 |
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76 | const gitStatus = getGitStatus();
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77 | if (gitStatus) {
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78 | console.error(
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79 | chalk.red(
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80 | 'This git repository has untracked files or uncommitted changes:'
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81 | ) +
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82 | '\n\n' +
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83 | gitStatus
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84 | .split('\n')
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85 | .map(line => line.match(/ .*/g)[0].trim())
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86 | .join('\n') +
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87 | '\n\n' +
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88 | chalk.red(
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89 | 'Remove untracked files, stash or commit any changes, and try again.'
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90 | )
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91 | );
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92 | process.exit(1);
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93 | }
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94 |
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95 | console.log('Ejecting...');
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96 |
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97 | const ownPath = paths.ownPath;
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98 | const appPath = paths.appPath;
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99 |
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100 | function verifyAbsent(file) {
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101 | if (fs.existsSync(path.join(appPath, file))) {
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102 | console.error(
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103 | `\`${file}\` already exists in your app folder. We cannot ` +
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104 | 'continue as you would lose all the changes in that file or directory. ' +
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105 | 'Please move or delete it (maybe make a copy for backup) and run this ' +
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106 | 'command again.'
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107 | );
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108 | process.exit(1);
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109 | }
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110 | }
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111 |
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112 | const folders = ['config', 'config/jest', 'scripts'];
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113 |
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114 |
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115 | const files = folders.reduce((files, folder) => {
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116 | return files.concat(
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117 | fs
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118 | .readdirSync(path.join(ownPath, folder))
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119 |
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120 | .map(file => path.join(ownPath, folder, file))
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121 |
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122 | .filter(file => fs.lstatSync(file).isFile())
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123 | );
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124 | }, []);
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125 |
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126 |
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127 | folders.forEach(verifyAbsent);
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128 | files.forEach(verifyAbsent);
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129 |
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130 |
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131 | const jestConfig = createJestConfig(
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132 | filePath => path.posix.join('<rootDir>', filePath),
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133 | null,
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134 | true
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135 | );
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136 |
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137 | console.log();
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138 | console.log(cyan(`Copying files into ${appPath}`));
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139 |
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140 | folders.forEach(folder => {
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141 | fs.mkdirSync(path.join(appPath, folder));
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142 | });
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143 |
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144 | files.forEach(file => {
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145 | let content = fs.readFileSync(file, 'utf8');
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146 |
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147 |
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148 | if (content.match(/\/\/ @remove-file-on-eject/)) {
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149 | return;
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150 | }
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151 | content =
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152 | content
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153 |
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154 | .replace(
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155 | /\/\/ @remove-on-eject-begin([\s\S]*?)\/\/ @remove-on-eject-end/gm,
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156 | ''
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157 | )
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158 |
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159 | .replace(
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160 | /-- @remove-on-eject-begin([\s\S]*?)-- @remove-on-eject-end/gm,
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161 | ''
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162 | )
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163 | .trim() + '\n';
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164 | console.log(` Adding ${cyan(file.replace(ownPath, ''))} to the project`);
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165 | fs.writeFileSync(file.replace(ownPath, appPath), content);
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166 | });
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167 | console.log();
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168 |
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169 | const ownPackage = require(path.join(ownPath, 'package.json'));
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170 | const appPackage = require(path.join(appPath, 'package.json'));
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171 |
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172 | console.log(cyan('Updating the dependencies'));
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173 | const ownPackageName = ownPackage.name;
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174 | if (appPackage.devDependencies) {
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175 |
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176 | if (appPackage.devDependencies[ownPackageName]) {
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177 | console.log(` Removing ${cyan(ownPackageName)} from devDependencies`);
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178 | delete appPackage.devDependencies[ownPackageName];
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179 | }
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180 | }
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181 | appPackage.dependencies = appPackage.dependencies || {};
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182 | if (appPackage.dependencies[ownPackageName]) {
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183 | console.log(` Removing ${cyan(ownPackageName)} from dependencies`);
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184 | delete appPackage.dependencies[ownPackageName];
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185 | }
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186 | Object.keys(ownPackage.dependencies).forEach(key => {
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187 |
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188 | if (
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189 | ownPackage.optionalDependencies &&
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190 | ownPackage.optionalDependencies[key]
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191 | ) {
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192 | return;
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193 | }
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194 | console.log(` Adding ${cyan(key)} to dependencies`);
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195 | appPackage.dependencies[key] = ownPackage.dependencies[key];
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196 | });
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197 |
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198 | const unsortedDependencies = appPackage.dependencies;
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199 | appPackage.dependencies = {};
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200 | Object.keys(unsortedDependencies)
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201 | .sort()
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202 | .forEach(key => {
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203 | appPackage.dependencies[key] = unsortedDependencies[key];
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204 | });
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205 | console.log();
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206 |
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207 | console.log(cyan('Updating the scripts'));
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208 | delete appPackage.scripts['eject'];
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209 | Object.keys(appPackage.scripts).forEach(key => {
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210 | Object.keys(ownPackage.bin).forEach(binKey => {
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211 | const regex = new RegExp(binKey + ' (\\w+)', 'g');
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212 | if (!regex.test(appPackage.scripts[key])) {
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213 | return;
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214 | }
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215 | appPackage.scripts[key] = appPackage.scripts[key].replace(
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216 | regex,
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217 | 'node scripts/$1.js'
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218 | );
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219 | console.log(
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220 | ` Replacing ${cyan(`"${binKey} ${key}"`)} with ${cyan(
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221 | `"node scripts/${key}.js"`
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222 | )}`
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223 | );
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224 | });
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225 | });
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226 |
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227 | console.log();
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228 | console.log(cyan('Configuring package.json'));
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229 |
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230 | console.log(` Adding ${cyan('Jest')} configuration`);
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231 | appPackage.jest = jestConfig;
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232 |
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233 |
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234 | console.log(` Adding ${cyan('Babel')} preset`);
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235 | appPackage.babel = {
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236 | presets: ['react-app'],
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237 | };
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238 |
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239 |
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240 | if (!appPackage.eslintConfig) {
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241 | console.log(` Adding ${cyan('ESLint')} configuration`);
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242 | appPackage.eslintConfig = {
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243 | extends: 'react-app',
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244 | };
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245 | }
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246 |
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247 | fs.writeFileSync(
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248 | path.join(appPath, 'package.json'),
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249 | JSON.stringify(appPackage, null, 2) + os.EOL
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250 | );
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251 | console.log();
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252 |
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253 | if (fs.existsSync(paths.appTypeDeclarations)) {
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254 | try {
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255 |
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256 | let content = fs.readFileSync(paths.appTypeDeclarations, 'utf8');
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257 | const ownContent =
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258 | fs.readFileSync(paths.ownTypeDeclarations, 'utf8').trim() + os.EOL;
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259 |
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260 |
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261 | content =
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262 | content
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263 |
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264 | .replace(
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265 | /^\s*\/\/\/\s*<reference\s+types.+?"react-scripts".*\/>.*(?:\n|$)/gm,
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266 | ''
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267 | )
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268 | .trim() + os.EOL;
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269 |
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270 | fs.writeFileSync(
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271 | paths.appTypeDeclarations,
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272 | (ownContent + os.EOL + content).trim() + os.EOL
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273 | );
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274 | } catch (e) {
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275 |
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276 |
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277 | }
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278 | }
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279 |
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280 |
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281 | if (ownPath.indexOf(appPath) === 0) {
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282 | try {
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283 |
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284 | Object.keys(ownPackage.bin).forEach(binKey => {
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285 | fs.removeSync(path.join(appPath, 'node_modules', '.bin', binKey));
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286 | });
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287 | fs.removeSync(ownPath);
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288 | } catch (e) {
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289 |
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290 | }
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291 | }
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292 |
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293 | if (fs.existsSync(paths.yarnLockFile)) {
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294 | const windowsCmdFilePath = path.join(
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295 | appPath,
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296 | 'node_modules',
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297 | '.bin',
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298 | 'react-scripts.cmd'
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299 | );
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300 | let windowsCmdFileContent;
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301 | if (process.platform === 'win32') {
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302 |
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303 |
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304 |
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305 |
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306 | try {
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307 | windowsCmdFileContent = fs.readFileSync(windowsCmdFilePath);
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308 | } catch (err) {
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309 |
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310 | }
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311 | }
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312 |
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313 | console.log(cyan('Running yarn...'));
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314 | spawnSync('yarnpkg', ['--cwd', process.cwd()], { stdio: 'inherit' });
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315 |
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316 | if (windowsCmdFileContent && !fs.existsSync(windowsCmdFilePath)) {
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317 | try {
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318 | fs.writeFileSync(windowsCmdFilePath, windowsCmdFileContent);
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319 | } catch (err) {
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320 |
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321 | }
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322 | }
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323 | } else {
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324 | console.log(cyan('Running npm install...'));
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325 | spawnSync('npm', ['install', '--loglevel', 'error'], {
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326 | stdio: 'inherit',
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327 | });
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328 | }
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329 | console.log(green('Ejected successfully!'));
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330 | console.log();
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331 |
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332 | if (tryGitAdd(appPath)) {
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333 | console.log(cyan('Staged ejected files for commit.'));
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334 | console.log();
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335 | }
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336 |
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337 | console.log(green('Please consider sharing why you ejected in this survey:'));
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338 | console.log(green(' http://goo.gl/forms/Bi6CZjk1EqsdelXk1'));
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339 | console.log();
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340 | });
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