1 | #!/usr/bin/env node
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2 |
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3 | 'use strict';
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4 |
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5 |
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6 |
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7 | const fs = require('fs');
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8 | const net = require('net');
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9 | const debug = require('debug')('webpack-dev-server');
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10 | const importLocal = require('import-local');
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11 | const yargs = require('yargs');
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12 | const webpack = require('webpack');
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13 | const Server = require('../lib/Server');
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14 | const setupExitSignals = require('../lib/utils/setupExitSignals');
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15 | const colors = require('../lib/utils/colors');
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16 | const processOptions = require('../lib/utils/processOptions');
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17 | const createLogger = require('../lib/utils/createLogger');
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18 | const getVersions = require('../lib/utils/getVersions');
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19 | const options = require('./options');
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20 |
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21 | let server;
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22 | const serverData = {
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23 | server: null,
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24 | };
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25 |
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26 |
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27 |
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28 |
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29 | setupExitSignals(serverData);
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30 |
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31 |
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32 | if (importLocal(__filename)) {
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33 | debug('Using local install of webpack-dev-server');
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34 |
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35 | return;
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36 | }
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37 |
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38 | try {
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39 | require.resolve('webpack-cli');
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40 | } catch (err) {
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41 | console.error('The CLI moved into a separate package: webpack-cli');
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42 | console.error(
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43 | "Please install 'webpack-cli' in addition to webpack itself to use the CLI"
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44 | );
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45 | console.error('-> When using npm: npm i -D webpack-cli');
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46 | console.error('-> When using yarn: yarn add -D webpack-cli');
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47 |
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48 | process.exitCode = 1;
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49 | }
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50 |
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51 | yargs.usage(
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52 | `${getVersions()}\nUsage: https://webpack.js.org/configuration/dev-server/`
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53 | );
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54 |
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55 |
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56 | let configYargsPath;
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57 | try {
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58 | require.resolve('webpack-cli/bin/config/config-yargs');
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59 | configYargsPath = 'webpack-cli/bin/config/config-yargs';
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60 | } catch (e) {
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61 | configYargsPath = 'webpack-cli/bin/config-yargs';
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62 | }
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63 |
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64 |
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65 | require(configYargsPath)(yargs);
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66 |
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67 |
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68 |
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69 | yargs.version(getVersions());
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70 | yargs.options(options);
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71 |
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72 | const argv = yargs.argv;
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73 |
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74 |
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75 | let convertArgvPath;
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76 | try {
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77 | require.resolve('webpack-cli/bin/utils/convert-argv');
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78 | convertArgvPath = 'webpack-cli/bin/utils/convert-argv';
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79 | } catch (e) {
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80 | convertArgvPath = 'webpack-cli/bin/convert-argv';
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81 | }
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82 |
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83 |
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84 | const config = require(convertArgvPath)(yargs, argv, {
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85 | outputFilename: '/bundle.js',
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86 | });
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87 |
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88 | function startDevServer(config, options) {
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89 | const log = createLogger(options);
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90 |
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91 | let compiler;
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92 |
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93 | try {
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94 | compiler = webpack(config);
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95 | } catch (err) {
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96 | if (err instanceof webpack.WebpackOptionsValidationError) {
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97 | log.error(colors.error(options.stats.colors, err.message));
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98 |
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99 | process.exit(1);
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100 | }
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101 |
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102 | throw err;
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103 | }
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104 |
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105 | try {
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106 | server = new Server(compiler, options, log);
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107 | serverData.server = server;
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108 | } catch (err) {
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109 | if (err.name === 'ValidationError') {
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110 | log.error(colors.error(options.stats.colors, err.message));
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111 |
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112 | process.exit(1);
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113 | }
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114 |
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115 | throw err;
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116 | }
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117 |
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118 | if (options.socket) {
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119 | server.listeningApp.on('error', (e) => {
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120 | if (e.code === 'EADDRINUSE') {
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121 | const clientSocket = new net.Socket();
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122 |
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123 | clientSocket.on('error', (err) => {
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124 | if (err.code === 'ECONNREFUSED') {
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125 |
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126 | fs.unlinkSync(options.socket);
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127 |
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128 | server.listen(options.socket, options.host, (error) => {
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129 | if (error) {
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130 | throw error;
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131 | }
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132 | });
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133 | }
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134 | });
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135 |
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136 | clientSocket.connect({ path: options.socket }, () => {
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137 | throw new Error('This socket is already used');
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138 | });
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139 | }
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140 | });
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141 |
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142 | server.listen(options.socket, options.host, (err) => {
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143 | if (err) {
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144 | throw err;
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145 | }
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146 |
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147 |
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148 | const READ_WRITE = 438;
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149 |
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150 | fs.chmod(options.socket, READ_WRITE, (err) => {
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151 | if (err) {
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152 | throw err;
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153 | }
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154 | });
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155 | });
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156 | } else {
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157 | server.listen(options.port, options.host, (err) => {
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158 | if (err) {
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159 | throw err;
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160 | }
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161 | });
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162 | }
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163 | }
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164 |
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165 | processOptions(config, argv, (config, options) => {
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166 | startDevServer(config, options);
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167 | });
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