1 | var debug = require('debug')('nodemon');
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2 | var path = require('path');
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3 | var monitor = require('./monitor');
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4 | var cli = require('./cli');
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5 | var version = require('./version');
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6 | var util = require('util');
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7 | var utils = require('./utils');
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8 | var bus = utils.bus;
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9 | var help = require('./help');
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10 | var config = require('./config');
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11 | var spawn = require('./spawn');
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12 | const defaults = require('./config/defaults')
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13 | var eventHandlers = {};
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14 |
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15 |
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16 |
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17 | config.required = utils.isRequired;
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18 |
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19 | function nodemon(settings) {
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20 | bus.emit('boot');
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21 | nodemon.reset();
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22 |
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23 |
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24 |
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25 | if (typeof settings === 'string') {
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26 | settings = settings.trim();
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27 | if (settings.indexOf('node') !== 0) {
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28 | if (settings.indexOf('nodemon') !== 0) {
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29 | settings = 'nodemon ' + settings;
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30 | }
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31 | settings = 'node ' + settings;
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32 | }
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33 | settings = cli.parse(settings);
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34 | }
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35 |
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36 |
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37 | if (settings.verbose) {
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38 | utils.debug = true;
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39 | }
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40 |
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41 | if (settings.help) {
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42 | process.stdout._handle.setBlocking(true);
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43 | console.log(help(settings.help));
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44 | if (!config.required) {
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45 | process.exit(0);
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46 | }
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47 | }
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48 |
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49 | if (settings.version) {
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50 | version().then(function (v) {
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51 | console.log(v);
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52 | if (!config.required) {
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53 | process.exit(0);
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54 | }
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55 | });
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56 | return;
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57 | }
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58 |
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59 |
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60 |
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61 |
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62 | if (settings.cwd) {
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63 |
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64 |
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65 | if (process.cwd() !== path.resolve(config.system.cwd, settings.cwd)) {
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66 | process.chdir(settings.cwd);
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67 | }
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68 | }
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69 |
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70 | const cwd = process.cwd();
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71 |
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72 | config.load(settings, function (config) {
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73 | if (!config.options.dump && !config.options.execOptions.script &&
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74 | config.options.execOptions.exec === 'node') {
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75 | if (!config.required) {
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76 | console.log(help('usage'));
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77 | process.exit();
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78 | }
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79 | return;
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80 | }
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81 |
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82 |
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83 | utils.colours = config.options.colours;
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84 |
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85 |
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86 | utils.log.info(version.pinned);
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87 |
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88 | const cwd = process.cwd();
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89 |
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90 | if (config.options.cwd) {
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91 | utils.log.detail('process root: ' + cwd);
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92 | }
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93 |
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94 | config.loaded.map(file => file.replace(cwd, '.')).forEach(file => {
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95 | utils.log.detail('reading config ' + file);
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96 | });
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97 |
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98 | if (config.options.stdin && config.options.restartable) {
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99 |
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100 | process.stdin.resume();
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101 | process.stdin.setEncoding('utf8');
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102 | process.stdin.on('data', data => {
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103 | const str = data.toString().trim().toLowerCase();
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104 |
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105 |
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106 | if (str === config.options.restartable) {
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107 | bus.emit('restart');
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108 | } else if (data.charCodeAt(0) === 12) {
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109 | console.clear();
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110 | }
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111 | });
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112 | } else if (config.options.stdin) {
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113 |
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114 |
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115 |
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116 | var ctrlC = false;
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117 | var buffer = '';
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118 |
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119 | process.stdin.on('data', function (data) {
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120 | data = data.toString();
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121 | buffer += data;
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122 | const chr = data.charCodeAt(0);
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123 |
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124 |
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125 | if (chr === 3) {
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126 | if (ctrlC) {
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127 | process.exit(0);
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128 | }
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129 |
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130 | ctrlC = true;
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131 | return;
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132 | } else if (buffer === '.exit' || chr === 4) {
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133 | process.exit();
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134 | } else if (chr === 13 || chr === 10) {
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135 | buffer = '';
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136 | } else if (chr === 12) {
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137 | console.clear();
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138 | buffer = '';
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139 | }
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140 | ctrlC = false;
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141 | });
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142 | if (process.stdin.setRawMode) {
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143 | process.stdin.setRawMode(true);
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144 | }
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145 | }
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146 |
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147 | if (config.options.restartable) {
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148 | utils.log.info('to restart at any time, enter `' +
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149 | config.options.restartable + '`');
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150 | }
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151 |
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152 | if (!config.required) {
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153 | const restartSignal = config.options.signal === 'SIGUSR2' ? 'SIGHUP' : 'SIGUSR2';
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154 | process.on(restartSignal, nodemon.restart);
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155 | utils.bus.on('error', () => {
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156 | utils.log.fail((new Error().stack));
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157 | });
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158 | utils.log.detail((config.options.restartable ? 'or ' : '') + 'send ' +
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159 | restartSignal + ' to ' + process.pid + ' to restart');
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160 | }
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161 |
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162 | const ignoring = config.options.monitor.map(function (rule) {
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163 | if (rule.slice(0, 1) !== '!') {
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164 | return false;
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165 | }
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166 |
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167 | rule = rule.slice(1);
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168 |
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169 |
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170 | if (defaults.ignoreRoot.indexOf(rule) !== -1) {
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171 | return false;
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172 | return rule.slice(3).slice(0, -3);
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173 | }
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174 |
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175 | if (rule.startsWith(cwd)) {
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176 | return rule.replace(cwd, '.');
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177 | }
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178 |
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179 | return rule;
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180 | }).filter(Boolean).join(' ');
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181 | if (ignoring) utils.log.detail('ignoring: ' + ignoring);
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182 |
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183 | utils.log.info('watching: ' + config.options.monitor.map(function (rule) {
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184 | return rule.slice(0, 1) !== '!' ? rule : false;
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185 | }).filter(Boolean).join(' '));
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186 |
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187 | utils.log.detail('watching extensions: ' + (config.options.execOptions.ext || '(all)'));
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188 |
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189 | if (config.options.dump) {
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190 | utils.log._log('log', '--------------');
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191 | utils.log._log('log', 'node: ' + process.version);
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192 | utils.log._log('log', 'nodemon: ' + version.pinned);
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193 | utils.log._log('log', 'command: ' + process.argv.join(' '));
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194 | utils.log._log('log', 'cwd: ' + cwd);
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195 | utils.log._log('log', ['OS:', process.platform, process.arch].join(' '));
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196 | utils.log._log('log', '--------------');
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197 | utils.log._log('log', util.inspect(config, { depth: null }));
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198 | utils.log._log('log', '--------------');
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199 | if (!config.required) {
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200 | process.exit();
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201 | }
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202 |
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203 | return;
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204 | }
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205 |
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206 | config.run = true;
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207 |
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208 | if (config.options.stdout === false) {
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209 | nodemon.on('start', function () {
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210 | nodemon.stdout = bus.stdout;
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211 | nodemon.stderr = bus.stderr;
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212 |
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213 | bus.emit('readable');
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214 | });
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215 | }
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216 |
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217 | if (config.options.events && Object.keys(config.options.events).length) {
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218 | Object.keys(config.options.events).forEach(function (key) {
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219 | utils.log.detail('bind ' + key + ' -> `' +
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220 | config.options.events[key] + '`');
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221 | nodemon.on(key, function () {
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222 | if (config.options && config.options.events) {
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223 | spawn(config.options.events[key], config,
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224 | [].slice.apply(arguments));
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225 | }
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226 | });
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227 | });
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228 | }
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229 |
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230 | monitor.run(config.options);
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231 |
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232 | });
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233 |
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234 | return nodemon;
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235 | }
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236 |
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237 | nodemon.restart = function () {
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238 | utils.log.status('restarting child process');
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239 | bus.emit('restart');
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240 | return nodemon;
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241 | };
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242 |
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243 | nodemon.addListener = nodemon.on = function (event, handler) {
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244 | if (!eventHandlers[event]) { eventHandlers[event] = []; }
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245 | eventHandlers[event].push(handler);
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246 | bus.on(event, handler);
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247 | return nodemon;
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248 | };
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249 |
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250 | nodemon.once = function (event, handler) {
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251 | if (!eventHandlers[event]) { eventHandlers[event] = []; }
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252 | eventHandlers[event].push(handler);
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253 | bus.once(event, function () {
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254 | debug('bus.once(%s)', event);
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255 | eventHandlers[event].splice(eventHandlers[event].indexOf(handler), 1);
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256 | handler.apply(this, arguments);
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257 | });
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258 | return nodemon;
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259 | };
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260 |
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261 | nodemon.emit = function () {
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262 | bus.emit.apply(bus, [].slice.call(arguments));
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263 | return nodemon;
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264 | };
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265 |
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266 | nodemon.removeAllListeners = function (event) {
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267 |
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268 | Object.keys(eventHandlers).filter(function (e) {
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269 | return event ? e === event : true;
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270 | }).forEach(function (event) {
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271 | eventHandlers[event].forEach(function (handler) {
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272 | bus.removeListener(event, handler);
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273 | eventHandlers[event].splice(eventHandlers[event].indexOf(handler), 1);
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274 | });
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275 | });
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276 |
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277 | return nodemon;
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278 | };
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279 |
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280 | nodemon.reset = function (done) {
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281 | bus.emit('reset', done);
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282 | };
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283 |
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284 | bus.on('reset', function (done) {
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285 | debug('reset');
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286 | nodemon.removeAllListeners();
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287 | monitor.run.kill(true, function () {
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288 | utils.reset();
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289 | config.reset();
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290 | config.run = false;
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291 | if (done) {
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292 | done();
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293 | }
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294 | });
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295 | });
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296 |
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297 |
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298 | nodemon.config = config;
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299 |
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300 | module.exports = nodemon;
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301 |
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