1 | #!/usr/bin/env node
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2 | "use strict";
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3 |
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4 | var path = require('path');
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5 | var fs = require('../lib/less-node/fs').default;
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6 | var os = require('os');
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7 | var utils = require('../lib/less/utils');
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8 | var Constants = require('../lib/less/constants');
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9 |
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10 | var less = require('../lib/less-node').default;
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11 |
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12 | var errno;
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13 | var mkdirp;
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14 |
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15 | try {
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16 | errno = require('errno');
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17 | } catch (err) {
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18 | errno = null;
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19 | }
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20 |
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21 | var pluginManager = new less.PluginManager(less);
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22 | var fileManager = new less.FileManager();
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23 | var plugins = [];
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24 | var queuePlugins = [];
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25 | var args = process.argv.slice(1);
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26 | var silent = false;
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27 | var verbose = false;
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28 | var options = less.options;
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29 | options.plugins = plugins;
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30 | options.reUsePluginManager = true;
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31 | var sourceMapOptions = {};
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32 | var continueProcessing = true;
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33 |
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34 | var checkArgFunc = function checkArgFunc(arg, option) {
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35 | if (!option) {
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36 | console.error("".concat(arg, " option requires a parameter"));
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37 | continueProcessing = false;
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38 | process.exitCode = 1;
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39 | return false;
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40 | }
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41 |
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42 | return true;
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43 | };
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44 |
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45 | var checkBooleanArg = function checkBooleanArg(arg) {
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46 | var onOff = /^((on|t|true|y|yes)|(off|f|false|n|no))$/i.exec(arg);
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47 |
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48 | if (!onOff) {
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49 | console.error(" unable to parse ".concat(arg, " as a boolean. use one of on/t/true/y/yes/off/f/false/n/no"));
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50 | continueProcessing = false;
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51 | process.exitCode = 1;
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52 | return false;
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53 | }
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54 |
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55 | return Boolean(onOff[2]);
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56 | };
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57 |
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58 | var parseVariableOption = function parseVariableOption(option, variables) {
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59 | var parts = option.split('=', 2);
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60 | variables[parts[0]] = parts[1];
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61 | };
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62 |
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63 | var sourceMapFileInline = false;
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64 |
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65 | function printUsage() {
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66 | less.lesscHelper.printUsage();
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67 |
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68 | pluginManager.Loader.printUsage(plugins);
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69 | continueProcessing = false;
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70 | }
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71 |
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72 | function render() {
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73 | if (!continueProcessing) {
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74 | return;
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75 | }
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76 |
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77 | var input = args[1];
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78 |
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79 | if (input && input != '-') {
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80 | input = path.resolve(process.cwd(), input);
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81 | }
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82 |
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83 | var output = args[2];
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84 | var outputbase = args[2];
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85 |
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86 | if (output) {
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87 | output = path.resolve(process.cwd(), output);
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88 | }
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89 |
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90 | if (options.sourceMap) {
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91 | sourceMapOptions.sourceMapInputFilename = input;
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92 |
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93 | if (!sourceMapOptions.sourceMapFullFilename) {
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94 | if (!output && !sourceMapFileInline) {
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95 | console.error('the sourcemap option only has an optional filename if the css filename is given');
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96 | console.error('consider adding --source-map-map-inline which embeds the sourcemap into the css');
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97 | process.exitCode = 1;
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98 | return;
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99 | } // its in the same directory, so always just the basename
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100 |
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101 |
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102 | if (output) {
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103 | sourceMapOptions.sourceMapOutputFilename = path.basename(output);
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104 | sourceMapOptions.sourceMapFullFilename = "".concat(output, ".map");
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105 | } // its in the same directory, so always just the basename
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106 |
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107 |
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108 | if ('sourceMapFullFilename' in sourceMapOptions) {
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109 | sourceMapOptions.sourceMapFilename = path.basename(sourceMapOptions.sourceMapFullFilename);
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110 | }
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111 | } else if (options.sourceMap && !sourceMapFileInline) {
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112 | var mapFilename = path.resolve(process.cwd(), sourceMapOptions.sourceMapFullFilename);
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113 | var mapDir = path.dirname(mapFilename);
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114 | var outputDir = path.dirname(output); // find the path from the map to the output file
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115 |
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116 | sourceMapOptions.sourceMapOutputFilename = path.join(path.relative(mapDir, outputDir), path.basename(output)); // make the sourcemap filename point to the sourcemap relative to the css file output directory
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117 |
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118 | sourceMapOptions.sourceMapFilename = path.join(path.relative(outputDir, mapDir), path.basename(sourceMapOptions.sourceMapFullFilename));
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119 | }
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120 |
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121 | if (sourceMapOptions.sourceMapURL && sourceMapOptions.disableSourcemapAnnotation) {
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122 | console.error('You cannot provide flag --source-map-url with --source-map-no-annotation.');
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123 | console.error('Please remove one of those flags.');
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124 | process.exitcode = 1;
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125 | return;
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126 | }
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127 | }
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128 |
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129 | if (sourceMapOptions.sourceMapBasepath === undefined) {
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130 | sourceMapOptions.sourceMapBasepath = input ? path.dirname(input) : process.cwd();
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131 | }
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132 |
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133 | if (sourceMapOptions.sourceMapRootpath === undefined) {
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134 | var pathToMap = path.dirname((sourceMapFileInline ? output : sourceMapOptions.sourceMapFullFilename) || '.');
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135 | var pathToInput = path.dirname(sourceMapOptions.sourceMapInputFilename || '.');
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136 | sourceMapOptions.sourceMapRootpath = path.relative(pathToMap, pathToInput);
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137 | }
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138 |
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139 | if (!input) {
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140 | console.error('lessc: no input files');
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141 | console.error('');
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142 | printUsage();
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143 | process.exitCode = 1;
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144 | return;
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145 | }
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146 |
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147 | var ensureDirectory = function ensureDirectory(filepath) {
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148 | var dir = path.dirname(filepath);
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149 | var cmd;
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150 | var existsSync = fs.existsSync || path.existsSync;
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151 |
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152 | if (!existsSync(dir)) {
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153 | if (mkdirp === undefined) {
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154 | try {
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155 | mkdirp = require('make-dir');
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156 | } catch (e) {
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157 | mkdirp = null;
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158 | }
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159 | }
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160 |
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161 | cmd = mkdirp && mkdirp.sync || fs.mkdirSync;
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162 | cmd(dir);
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163 | }
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164 | };
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165 |
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166 | if (options.depends) {
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167 | if (!outputbase) {
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168 | console.error('option --depends requires an output path to be specified');
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169 | process.exitCode = 1;
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170 | return;
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171 | }
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172 |
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173 | process.stdout.write("".concat(outputbase, ": "));
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174 | }
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175 |
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176 | if (!sourceMapFileInline) {
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177 | var writeSourceMap = function writeSourceMap() {
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178 | var output = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
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179 | var onDone = arguments.length > 1 ? arguments[1] : undefined;
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180 | var filename = sourceMapOptions.sourceMapFullFilename;
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181 | ensureDirectory(filename);
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182 |
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183 | fs.writeFile(filename, output, 'utf8', function (err) {
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184 | if (err) {
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185 | var description = 'Error: ';
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186 |
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187 | if (errno && errno.errno[err.errno]) {
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188 | description += errno.errno[err.errno].description;
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189 | } else {
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190 | description += "".concat(err.code, " ").concat(err.message);
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191 | }
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192 |
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193 | console.error("lessc: failed to create file ".concat(filename));
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194 | console.error(description);
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195 | process.exitCode = 1;
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196 | } else {
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197 | less.logger.info("lessc: wrote ".concat(filename));
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198 | }
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199 |
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200 | onDone();
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201 | });
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202 | };
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203 | }
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204 |
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205 | var writeSourceMapIfNeeded = function writeSourceMapIfNeeded(output, onDone) {
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206 | if (options.sourceMap && !sourceMapFileInline) {
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207 | writeSourceMap(output, onDone);
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208 | } else {
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209 | onDone();
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210 | }
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211 | };
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212 |
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213 | var writeOutput = function writeOutput(output, result, onSuccess) {
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214 | if (options.depends) {
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215 | onSuccess();
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216 | } else if (output) {
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217 | ensureDirectory(output);
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218 |
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219 | fs.writeFile(output, result.css, {
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220 | encoding: 'utf8'
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221 | }, function (err) {
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222 | if (err) {
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223 | var description = 'Error: ';
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224 |
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225 | if (errno && errno.errno[err.errno]) {
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226 | description += errno.errno[err.errno].description;
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227 | } else {
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228 | description += "".concat(err.code, " ").concat(err.message);
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229 | }
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230 |
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231 | console.error("lessc: failed to create file ".concat(output));
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232 | console.error(description);
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233 | process.exitCode = 1;
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234 | } else {
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235 | less.logger.info("lessc: wrote ".concat(output));
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236 |
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237 | onSuccess();
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238 | }
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239 | });
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240 | } else if (!options.depends) {
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241 | process.stdout.write(result.css);
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242 | onSuccess();
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243 | }
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244 | };
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245 |
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246 | var logDependencies = function logDependencies(options, result) {
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247 | if (options.depends) {
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248 | var depends = '';
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249 |
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250 | for (var i = 0; i < result.imports.length; i++) {
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251 | depends += "".concat(result.imports[i], " ");
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252 | }
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253 |
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254 | console.log(depends);
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255 | }
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256 | };
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257 |
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258 | var parseLessFile = function parseLessFile(e, data) {
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259 | if (e) {
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260 | console.error("lessc: ".concat(e.message));
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261 | process.exitCode = 1;
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262 | return;
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263 | }
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264 |
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265 | data = data.replace(/^\uFEFF/, '');
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266 | options.paths = [path.dirname(input)].concat(options.paths);
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267 | options.filename = input;
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268 |
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269 | if (options.lint) {
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270 | options.sourceMap = false;
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271 | }
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272 |
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273 | sourceMapOptions.sourceMapFileInline = sourceMapFileInline;
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274 |
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275 | if (options.sourceMap) {
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276 | options.sourceMap = sourceMapOptions;
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277 | }
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278 |
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279 | less.logger.addListener({
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280 | info: function info(msg) {
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281 | if (verbose) {
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282 | console.log(msg);
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283 | }
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284 | },
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285 | warn: function warn(msg) {
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286 | // do not show warning if the silent option is used
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287 | if (!silent) {
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288 | console.warn(msg);
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289 | }
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290 | },
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291 | error: function error(msg) {
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292 | console.error(msg);
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293 | }
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294 | });
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295 |
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296 | less.render(data, options).then(function (result) {
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297 | if (!options.lint) {
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298 | writeOutput(output, result, function () {
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299 | writeSourceMapIfNeeded(result.map, function () {
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300 | logDependencies(options, result);
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301 | });
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302 | });
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303 | }
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304 | }, function (err) {
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305 | if (!options.silent) {
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306 | console.error(err.toString({
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307 | stylize: options.color && less.lesscHelper.stylize
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308 | }));
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309 | }
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310 |
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311 | process.exitCode = 1;
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312 | });
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313 | };
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314 |
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315 | if (input != '-') {
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316 | fs.readFile(input, 'utf8', parseLessFile);
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317 | } else {
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318 | process.stdin.resume();
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319 | process.stdin.setEncoding('utf8');
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320 | var buffer = '';
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321 | process.stdin.on('data', function (data) {
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322 | buffer += data;
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323 | });
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324 | process.stdin.on('end', function () {
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325 | parseLessFile(false, buffer);
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326 | });
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327 | }
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328 | }
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329 |
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330 | function processPluginQueue() {
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331 | var x = 0;
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332 |
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333 | function pluginError(name) {
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334 | console.error("Unable to load plugin ".concat(name, " please make sure that it is installed under or at the same level as less"));
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335 | process.exitCode = 1;
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336 | }
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337 |
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338 | function pluginFinished(plugin) {
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339 | x++;
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340 | plugins.push(plugin);
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341 |
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342 | if (x === queuePlugins.length) {
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343 | render();
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344 | }
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345 | }
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346 |
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347 | queuePlugins.forEach(function (queue) {
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348 | var context = utils.clone(options);
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349 | pluginManager.Loader.loadPlugin(queue.name, process.cwd(), context, less.environment, fileManager).then(function (data) {
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350 | pluginFinished({
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351 | fileContent: data.contents,
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352 | filename: data.filename,
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353 | options: queue.options
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354 | });
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355 | }).catch(function () {
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356 | pluginError(queue.name);
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357 | });
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358 | });
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359 | } // self executing function so we can return
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360 |
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361 |
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362 | (function () {
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363 | args = args.filter(function (arg) {
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364 | var match;
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365 | match = arg.match(/^-I(.+)$/);
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366 |
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367 | if (match) {
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368 | options.paths.push(match[1]);
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369 | return false;
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370 | }
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371 |
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372 | match = arg.match(/^--?([a-z][0-9a-z-]*)(?:=(.*))?$/i);
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373 |
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374 | if (match) {
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375 | arg = match[1];
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376 | } else {
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377 | return arg;
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378 | }
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379 |
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380 | switch (arg) {
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381 | case 'v':
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382 | case 'version':
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383 | console.log("lessc ".concat(less.version.join('.'), " (Less Compiler) [JavaScript]"));
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384 | continueProcessing = false;
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385 | break;
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386 |
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387 | case 'verbose':
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388 | verbose = true;
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389 | break;
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390 |
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391 | case 's':
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392 | case 'silent':
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393 | silent = true;
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394 | break;
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395 |
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396 | case 'l':
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397 | case 'lint':
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398 | options.lint = true;
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399 | break;
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400 |
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401 | case 'strict-imports':
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402 | options.strictImports = true;
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403 | break;
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404 |
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405 | case 'h':
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406 | case 'help':
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407 | printUsage();
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408 | break;
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409 |
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410 | case 'x':
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411 | case 'compress':
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412 | options.compress = true;
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413 | break;
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414 |
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415 | case 'insecure':
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416 | options.insecure = true;
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417 | break;
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418 |
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419 | case 'M':
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420 | case 'depends':
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421 | options.depends = true;
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422 | break;
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423 |
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424 | case 'max-line-len':
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425 | if (checkArgFunc(arg, match[2])) {
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426 | options.maxLineLen = parseInt(match[2], 10);
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427 |
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428 | if (options.maxLineLen <= 0) {
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429 | options.maxLineLen = -1;
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430 | }
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431 | }
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432 |
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433 | break;
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434 |
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435 | case 'no-color':
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436 | options.color = false;
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437 | break;
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438 |
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439 | case 'js':
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440 | options.javascriptEnabled = true;
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441 | break;
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442 |
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443 | case 'no-js':
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444 | console.error('The "--no-js" argument is deprecated, as inline JavaScript ' + 'is disabled by default. Use "--js" to enable inline JavaScript (not recommended).');
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445 | break;
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446 |
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447 | case 'include-path':
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448 | if (checkArgFunc(arg, match[2])) {
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449 | // ; supported on windows.
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450 | // : supported on windows and linux, excluding a drive letter like C:\ so C:\file:D:\file parses to 2
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451 | options.paths = match[2].split(os.type().match(/Windows/) ? /:(?!\\)|;/ : ':').map(function (p) {
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452 | if (p) {
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453 | return path.resolve(process.cwd(), p);
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454 | }
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455 | });
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456 | }
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457 |
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458 | break;
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459 |
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460 | case 'line-numbers':
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461 | if (checkArgFunc(arg, match[2])) {
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462 | options.dumpLineNumbers = match[2];
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463 | }
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464 |
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465 | break;
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466 |
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467 | case 'source-map':
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468 | options.sourceMap = true;
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469 |
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470 | if (match[2]) {
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471 | sourceMapOptions.sourceMapFullFilename = match[2];
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472 | }
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473 |
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474 | break;
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475 |
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476 | case 'source-map-rootpath':
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477 | if (checkArgFunc(arg, match[2])) {
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478 | sourceMapOptions.sourceMapRootpath = match[2];
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479 | }
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480 |
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481 | break;
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482 |
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483 | case 'source-map-basepath':
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484 | if (checkArgFunc(arg, match[2])) {
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485 | sourceMapOptions.sourceMapBasepath = match[2];
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486 | }
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487 |
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488 | break;
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489 |
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490 | case 'source-map-inline':
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491 | case 'source-map-map-inline':
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492 | sourceMapFileInline = true;
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493 | options.sourceMap = true;
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494 | break;
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495 |
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496 | case 'source-map-include-source':
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497 | case 'source-map-less-inline':
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498 | sourceMapOptions.outputSourceFiles = true;
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499 | break;
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500 |
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501 | case 'source-map-url':
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502 | if (checkArgFunc(arg, match[2])) {
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503 | sourceMapOptions.sourceMapURL = match[2];
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504 | }
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505 |
|
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506 | break;
|
---|
507 |
|
---|
508 | case 'source-map-no-annotation':
|
---|
509 | sourceMapOptions.disableSourcemapAnnotation = true;
|
---|
510 | break;
|
---|
511 |
|
---|
512 | case 'rp':
|
---|
513 | case 'rootpath':
|
---|
514 | if (checkArgFunc(arg, match[2])) {
|
---|
515 | options.rootpath = match[2].replace(/\\/g, '/');
|
---|
516 | }
|
---|
517 |
|
---|
518 | break;
|
---|
519 |
|
---|
520 | case 'ie-compat':
|
---|
521 | console.warn('The --ie-compat option is deprecated, as it has no effect on compilation.');
|
---|
522 | break;
|
---|
523 |
|
---|
524 | case 'relative-urls':
|
---|
525 | console.warn('The --relative-urls option has been deprecated. Use --rewrite-urls=all.');
|
---|
526 | options.rewriteUrls = Constants.RewriteUrls.ALL;
|
---|
527 | break;
|
---|
528 |
|
---|
529 | case 'ru':
|
---|
530 | case 'rewrite-urls':
|
---|
531 | var m = match[2];
|
---|
532 |
|
---|
533 | if (m) {
|
---|
534 | if (m === 'local') {
|
---|
535 | options.rewriteUrls = Constants.RewriteUrls.LOCAL;
|
---|
536 | } else if (m === 'off') {
|
---|
537 | options.rewriteUrls = Constants.RewriteUrls.OFF;
|
---|
538 | } else if (m === 'all') {
|
---|
539 | options.rewriteUrls = Constants.RewriteUrls.ALL;
|
---|
540 | } else {
|
---|
541 | console.error("Unknown rewrite-urls argument ".concat(m));
|
---|
542 | continueProcessing = false;
|
---|
543 | process.exitCode = 1;
|
---|
544 | }
|
---|
545 | } else {
|
---|
546 | options.rewriteUrls = Constants.RewriteUrls.ALL;
|
---|
547 | }
|
---|
548 |
|
---|
549 | break;
|
---|
550 |
|
---|
551 | case 'sm':
|
---|
552 | case 'strict-math':
|
---|
553 | console.warn('The --strict-math option has been deprecated. Use --math=strict.');
|
---|
554 |
|
---|
555 | if (checkArgFunc(arg, match[2])) {
|
---|
556 | if (checkBooleanArg(match[2])) {
|
---|
557 | options.math = Constants.Math.PARENS;
|
---|
558 | }
|
---|
559 | }
|
---|
560 |
|
---|
561 | break;
|
---|
562 |
|
---|
563 | case 'm':
|
---|
564 | case 'math':
|
---|
565 | var m = match[2];
|
---|
566 | if (checkArgFunc(arg, m)) {
|
---|
567 | if (m === 'always') {
|
---|
568 | console.warn('--math=always is deprecated and will be removed in the future.');
|
---|
569 | options.math = Constants.Math.ALWAYS;
|
---|
570 | } else if (m === 'parens-division') {
|
---|
571 | options.math = Constants.Math.PARENS_DIVISION;
|
---|
572 | } else if (m === 'parens' || m === 'strict') {
|
---|
573 | options.math = Constants.Math.PARENS;
|
---|
574 | } else if (m === 'strict-legacy') {
|
---|
575 | console.warn('--math=strict-legacy has been removed. Defaulting to --math=strict');
|
---|
576 | options.math = Constants.Math.PARENS;
|
---|
577 | }
|
---|
578 | }
|
---|
579 |
|
---|
580 | break;
|
---|
581 |
|
---|
582 | case 'su':
|
---|
583 | case 'strict-units':
|
---|
584 | if (checkArgFunc(arg, match[2])) {
|
---|
585 | options.strictUnits = checkBooleanArg(match[2]);
|
---|
586 | }
|
---|
587 |
|
---|
588 | break;
|
---|
589 |
|
---|
590 | case 'global-var':
|
---|
591 | if (checkArgFunc(arg, match[2])) {
|
---|
592 | if (!options.globalVars) {
|
---|
593 | options.globalVars = {};
|
---|
594 | }
|
---|
595 |
|
---|
596 | parseVariableOption(match[2], options.globalVars);
|
---|
597 | }
|
---|
598 |
|
---|
599 | break;
|
---|
600 |
|
---|
601 | case 'modify-var':
|
---|
602 | if (checkArgFunc(arg, match[2])) {
|
---|
603 | if (!options.modifyVars) {
|
---|
604 | options.modifyVars = {};
|
---|
605 | }
|
---|
606 |
|
---|
607 | parseVariableOption(match[2], options.modifyVars);
|
---|
608 | }
|
---|
609 |
|
---|
610 | break;
|
---|
611 |
|
---|
612 | case 'url-args':
|
---|
613 | if (checkArgFunc(arg, match[2])) {
|
---|
614 | options.urlArgs = match[2];
|
---|
615 | }
|
---|
616 |
|
---|
617 | break;
|
---|
618 |
|
---|
619 | case 'plugin':
|
---|
620 | var splitupArg = match[2].match(/^([^=]+)(=(.*))?/);
|
---|
621 | var name = splitupArg[1];
|
---|
622 | var pluginOptions = splitupArg[3];
|
---|
623 | queuePlugins.push({
|
---|
624 | name: name,
|
---|
625 | options: pluginOptions
|
---|
626 | });
|
---|
627 | break;
|
---|
628 |
|
---|
629 | default:
|
---|
630 | queuePlugins.push({
|
---|
631 | name: arg,
|
---|
632 | options: match[2],
|
---|
633 | default: true
|
---|
634 | });
|
---|
635 | break;
|
---|
636 | }
|
---|
637 | });
|
---|
638 |
|
---|
639 | if (queuePlugins.length > 0) {
|
---|
640 | processPluginQueue();
|
---|
641 | } else {
|
---|
642 | render();
|
---|
643 | }
|
---|
644 | })(); |
---|