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							535 lines
						
					
					
						
							18 KiB
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							535 lines
						
					
					
						
							18 KiB
						
					
					
				
								#!/usr/bin/env node
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								var path = require('path'),
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								    fs = require('../lib/less-node/fs'),
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								    os = require("os"),
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								    utils = require('../lib/less/utils'),
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								    errno,
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								    mkdirp;
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								try {
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								    errno = require('errno');
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								} catch (err) {
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								    errno = null;
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								}
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								var less = require('../lib/less-node'),
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								    pluginManager = new less.PluginManager(less),
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								    fileManager = new less.FileManager(),
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								    plugins = [],
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								    queuePlugins = [],
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								    args = process.argv.slice(1),
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								    silent = false,
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								    verbose = false,
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								    options = less.options;
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								options.plugins = plugins;
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								options.reUsePluginManager = true;
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								var sourceMapOptions = {};
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								var continueProcessing = true;
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								// Calling process.exit does not flush stdout always. Instead of exiting the process, we set the process' exitCode,
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								// close all handles and wait for the event loop to exit the process.
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								// @see https://github.com/nodejs/node/issues/6409
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								// Unfortunately, node 0.10.x does not support setting process.exitCode, so we need to call reallyExit() explicitly.
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								// @see https://nodejs.org/api/process.html#process_process_exitcode
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								// Additionally we also need to make sure that uncaughtExceptions are never swallowed.
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								// @see https://github.com/less/less.js/issues/2881
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								// This code can safely be removed if node 0.10.x is not supported anymore.
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								process.on("exit", function() { process.reallyExit(process.exitCode); });
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								process.on("uncaughtException", function(err) {
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								    console.error(err);
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								    process.exitCode = 1;
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								});
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								// This code will still be required because otherwise rejected promises would not be reported to the user
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								process.on("unhandledRejection", function(err) {
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								    console.error(err);
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								    process.exitCode = 1;
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								});
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								var checkArgFunc = function(arg, option) {
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								    if (!option) {
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								        console.error(arg + " option requires a parameter");
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								        continueProcessing = false;
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								        process.exitCode = 1;
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								        return false;
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								    }
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								    return true;
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								};
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								var checkBooleanArg = function(arg) {
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								    var onOff = /^((on|t|true|y|yes)|(off|f|false|n|no))$/i.exec(arg);
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								    if (!onOff) {
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								        console.error(" unable to parse " + arg + " as a boolean. use one of on/t/true/y/yes/off/f/false/n/no");
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								        continueProcessing = false;
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								        process.exitCode = 1;
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								        return false;
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								    }
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								    return Boolean(onOff[2]);
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								};
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								var parseVariableOption = function(option, variables) {
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								    var parts = option.split('=', 2);
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								    variables[parts[0]] = parts[1];
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								};
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								var sourceMapFileInline = false;
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								function printUsage() {
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								    less.lesscHelper.printUsage();
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								    pluginManager.Loader.printUsage(plugins);
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								    continueProcessing = false;
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								}
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								function render() {
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								    if (!continueProcessing) {
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								        return;
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								    }
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								    var input = args[1];
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								    if (input && input != '-') {
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								        input = path.resolve(process.cwd(), input);
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								    }
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								    var output = args[2];
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								    var outputbase = args[2];
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								    if (output) {
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								        output = path.resolve(process.cwd(), output);
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								    }
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								    if (options.sourceMap) {
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								        sourceMapOptions.sourceMapInputFilename = input;
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								        if (!sourceMapOptions.sourceMapFullFilename) {
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								            if (!output && !sourceMapFileInline) {
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								                console.error("the sourcemap option only has an optional filename if the css filename is given");
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								                console.error("consider adding --source-map-map-inline which embeds the sourcemap into the css");
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								                process.exitCode = 1;
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								                return;
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								            }
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								            // its in the same directory, so always just the basename
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								            if (output) {
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								                sourceMapOptions.sourceMapOutputFilename = path.basename(output);
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								                sourceMapOptions.sourceMapFullFilename = output + ".map";
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								            }
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								            // its in the same directory, so always just the basename
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								            if ('sourceMapFullFilename' in sourceMapOptions) {
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								                sourceMapOptions.sourceMapFilename = path.basename(sourceMapOptions.sourceMapFullFilename);
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								            }
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								        } else if (options.sourceMap && !sourceMapFileInline) {
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								            var mapFilename = path.resolve(process.cwd(), sourceMapOptions.sourceMapFullFilename),
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								                mapDir = path.dirname(mapFilename),
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								                outputDir = path.dirname(output);
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								            // find the path from the map to the output file
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								            sourceMapOptions.sourceMapOutputFilename = path.join(
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								                path.relative(mapDir, outputDir), path.basename(output));
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								            // make the sourcemap filename point to the sourcemap relative to the css file output directory
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								            sourceMapOptions.sourceMapFilename = path.join(
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								                path.relative(outputDir, mapDir), path.basename(sourceMapOptions.sourceMapFullFilename));
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								        }
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								    }
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								    if (sourceMapOptions.sourceMapBasepath === undefined) {
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								        sourceMapOptions.sourceMapBasepath = input ? path.dirname(input) : process.cwd();
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								    }
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								    if (sourceMapOptions.sourceMapRootpath === undefined) {
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								        var pathToMap = path.dirname((sourceMapFileInline ? output : sourceMapOptions.sourceMapFullFilename) || '.'),
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								            pathToInput = path.dirname(sourceMapOptions.sourceMapInputFilename || '.');
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								        sourceMapOptions.sourceMapRootpath = path.relative(pathToMap, pathToInput);
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								    }
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								    if (!input) {
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								        console.error("lessc: no input files");
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								        console.error("");
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								        printUsage();
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								        process.exitCode = 1;
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								        return;
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								    }
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								    var ensureDirectory = function (filepath) {
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								        var dir = path.dirname(filepath),
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								            cmd,
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								            existsSync = fs.existsSync || path.existsSync;
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								        if (!existsSync(dir)) {
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								            if (mkdirp === undefined) {
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								                try {mkdirp = require('mkdirp');}
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								                catch (e) { mkdirp = null; }
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								            }
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								            cmd = mkdirp && mkdirp.sync || fs.mkdirSync;
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								            cmd(dir);
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								        }
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								    };
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								    if (options.depends) {
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								        if (!outputbase) {
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								            console.error("option --depends requires an output path to be specified");
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								            process.exitCode = 1;
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								            return;
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								        }
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								        process.stdout.write(outputbase + ": ");
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								    }
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								    if (!sourceMapFileInline) {
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								        var writeSourceMap = function(output, onDone) {
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								            output = output || "";
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								            var filename = sourceMapOptions.sourceMapFullFilename;
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								            ensureDirectory(filename);
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								            fs.writeFile(filename, output, 'utf8', function (err) {
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								                if (err) {
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								                    var description = "Error: ";
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								                    if (errno && errno.errno[err.errno]) {
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								                        description += errno.errno[err.errno].description;
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								                    } else {
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								                        description += err.code + " " + err.message;
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								                    }
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								                    console.error('lessc: failed to create file ' + filename);
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								                    console.error(description);
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								                    process.exitCode = 1;
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								                } else {
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								                    less.logger.info('lessc: wrote ' + filename);
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								                }
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								                onDone();
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								            });
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								        };
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								    }
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								    var writeSourceMapIfNeeded = function(output, onDone) {
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								        if (options.sourceMap && !sourceMapFileInline) {
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								            writeSourceMap(output, onDone);
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								        } else {
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								            onDone();
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								        }
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								    };
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								    var writeOutput = function(output, result, onSuccess) {
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								        if (options.depends) {
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								            onSuccess();
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								        } else if (output) {
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								            ensureDirectory(output);
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								            fs.writeFile(output, result.css, {encoding: 'utf8'}, function (err) {
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								                if (err) {
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								                    var description = "Error: ";
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								                    if (errno && errno.errno[err.errno]) {
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								                        description += errno.errno[err.errno].description;
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								                    } else {
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								                        description += err.code + " " + err.message;
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								                    }
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								                    console.error('lessc: failed to create file ' + output);
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								                    console.error(description);
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								                    process.exitCode = 1;
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								                } else {
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								                    less.logger.info('lessc: wrote ' + output);
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								                    onSuccess();
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								                }
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								            });
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								        } else if (!options.depends) {
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								            process.stdout.write(result.css);
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								            onSuccess();
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								        }
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								    };
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								    var logDependencies = function(options, result) {
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								        if (options.depends) {
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								            var depends = "";
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								            for (var i = 0; i < result.imports.length; i++) {
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								                depends += result.imports[i] + " ";
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								            }
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								            console.log(depends);
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								        }
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								    };
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								    var parseLessFile = function (e, data) {
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								        if (e) {
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								            console.error("lessc: " + e.message);
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								            process.exitCode = 1;
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								            return;
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								        }
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						|
								
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								        data = data.replace(/^\uFEFF/, '');
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						|
								
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								        options.paths = [path.dirname(input)].concat(options.paths);
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								        options.filename = input;
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						|
								
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								        if (options.lint) {
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								            options.sourceMap = false;
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								        }
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								        sourceMapOptions.sourceMapFileInline = sourceMapFileInline;
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						|
								
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								        if (options.sourceMap) {
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								            options.sourceMap = sourceMapOptions;
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								        }
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						|
								
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								        less.logger.addListener({
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								            info: function(msg) {
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								                if (verbose) {
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								                    console.log(msg);
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								                }
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								            },
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								            warn: function(msg) {
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						|
								                // do not show warning if the silent option is used
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						|
								                if (!silent) {
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								                    console.warn(msg);
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								                }
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								            },
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						|
								            error: function(msg) {
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								                console.error(msg);
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								            }
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								        });
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						|
								
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								        less.render(data, options)
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								            .then(function(result) {
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								                if (!options.lint) {
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								                    writeOutput(output, result, function() {
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								                        writeSourceMapIfNeeded(result.map, function() {
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								                            logDependencies(options, result);
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								                        });
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								                    });
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								                }
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								            },
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						|
								            function(err) {
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								                if (!options.silent) {
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								                    console.error(err.toString({
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								                        stylize: options.color && less.lesscHelper.stylize
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								                    }));
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								                }
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								                process.exitCode = 1;
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								            });
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								    };
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						|
								
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								    if (input != '-') {
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								        fs.readFile(input, 'utf8', parseLessFile);
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								    } else {
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								        process.stdin.resume();
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								        process.stdin.setEncoding('utf8');
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								        var buffer = '';
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								        process.stdin.on('data', function(data) {
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								            buffer += data;
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								        });
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								        process.stdin.on('end', function() {
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								            parseLessFile(false, buffer);
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								        });
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								    }
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								}
							 | 
						|
								
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								function processPluginQueue() {
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								    var x = 0;
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						|
								
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						|
								    function pluginError(name) {
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								        console.error("Unable to load plugin " + name +
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								            " please make sure that it is installed under or at the same level as less");
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								        process.exitCode = 1;
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								    }
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						|
								    function pluginFinished(plugin) {
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						|
								        x++;
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						|
								        plugins.push(plugin);
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						|
								        if (x === queuePlugins.length) {
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						|
								            render();
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						|
								        }
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						|
								    }
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						|
								    queuePlugins.forEach(function(queue) {
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						|
								        var context = utils.clone(options);
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						|
								        pluginManager.Loader.loadPlugin(queue.name, process.cwd(), context, less.environment, fileManager)
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						|
								            .then(function(data) {
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								                pluginFinished({
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						|
								                    fileContent: data.contents,
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						|
								                    filename: data.filename,
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						|
								                    options: queue.options
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								                });
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						|
								            })
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						|
								            .catch(function() {
							 | 
						|
								                pluginError(queue.name);
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								            });
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								    });
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						|
								}
							 | 
						|
								
							 | 
						|
								// self executing function so we can return
							 | 
						|
								(function() {
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						|
								    args = args.filter(function (arg) {
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						|
								        var match;
							 | 
						|
								
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						|
								        match = arg.match(/^-I(.+)$/);
							 | 
						|
								        if (match) {
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						|
								            options.paths.push(match[1]);
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						|
								            return false;
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						|
								        }
							 | 
						|
								
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						|
								        match = arg.match(/^--?([a-z][0-9a-z-]*)(?:=(.*))?$/i);
							 | 
						|
								        if (match) {
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						|
								            arg = match[1];
							 | 
						|
								        } else {
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						|
								            return arg;
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						|
								        }
							 | 
						|
								
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						|
								        switch (arg) {
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						|
								            case 'v':
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						|
								            case 'version':
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						|
								                console.log("lessc " + less.version.join('.') + " (Less Compiler) [JavaScript]");
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						|
								                continueProcessing = false;
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						|
								                break;
							 | 
						|
								            case 'verbose':
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						|
								                verbose = true;
							 | 
						|
								                break;
							 | 
						|
								            case 's':
							 | 
						|
								            case 'silent':
							 | 
						|
								                silent = true;
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						|
								                break;
							 | 
						|
								            case 'l':
							 | 
						|
								            case 'lint':
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						|
								                options.lint = true;
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						|
								                break;
							 | 
						|
								            case 'strict-imports':
							 | 
						|
								                options.strictImports = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'h':
							 | 
						|
								            case 'help':
							 | 
						|
								                printUsage();
							 | 
						|
								                break;
							 | 
						|
								            case 'x':
							 | 
						|
								            case 'compress':
							 | 
						|
								                options.compress = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'insecure':
							 | 
						|
								                options.insecure = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'M':
							 | 
						|
								            case 'depends':
							 | 
						|
								                options.depends = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'max-line-len':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    options.maxLineLen = parseInt(match[2], 10);
							 | 
						|
								                    if (options.maxLineLen <= 0) {
							 | 
						|
								                        options.maxLineLen = -1;
							 | 
						|
								                    }
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'no-color':
							 | 
						|
								                options.color = false;
							 | 
						|
								                break;
							 | 
						|
								            case 'ie-compat':
							 | 
						|
								                options.ieCompat = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'js':
							 | 
						|
								                options.javascriptEnabled = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'no-js':
							 | 
						|
								                console.error('The "--no-js" argument is deprecated, as inline JavaScript ' +
							 | 
						|
								                    'is disabled by default. Use "--js" to enable inline JavaScript (not recommended).');
							 | 
						|
								                break;
							 | 
						|
								            case 'include-path':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    // ; supported on windows.
							 | 
						|
								                    // : supported on windows and linux, excluding a drive letter like C:\ so C:\file:D:\file parses to 2
							 | 
						|
								                    options.paths = match[2]
							 | 
						|
								                        .split(os.type().match(/Windows/) ? /:(?!\\)|;/ : ':')
							 | 
						|
								                        .map(function(p) {
							 | 
						|
								                            if (p) {
							 | 
						|
								                                return path.resolve(process.cwd(), p);
							 | 
						|
								                            }
							 | 
						|
								                        });
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'line-numbers':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    options.dumpLineNumbers = match[2];
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'source-map':
							 | 
						|
								                options.sourceMap = true;
							 | 
						|
								                if (match[2]) {
							 | 
						|
								                    sourceMapOptions.sourceMapFullFilename = match[2];
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'source-map-rootpath':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    sourceMapOptions.sourceMapRootpath = match[2];
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'source-map-basepath':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    sourceMapOptions.sourceMapBasepath = match[2];
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'source-map-inline':
							 | 
						|
								            case 'source-map-map-inline':
							 | 
						|
								                sourceMapFileInline = true;
							 | 
						|
								                options.sourceMap = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'source-map-include-source':
							 | 
						|
								            case 'source-map-less-inline':
							 | 
						|
								                sourceMapOptions.outputSourceFiles = true;
							 | 
						|
								                break;
							 | 
						|
								            case 'source-map-url':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    sourceMapOptions.sourceMapURL = match[2];
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'rp':
							 | 
						|
								            case 'rootpath':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    options.rootpath = match[2].replace(/\\/g, '/');
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case "ru":
							 | 
						|
								            case "relative-urls":
							 | 
						|
								                options.relativeUrls = true;
							 | 
						|
								                break;
							 | 
						|
								            case "sm":
							 | 
						|
								            case "strict-math":
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    options.strictMath = checkBooleanArg(match[2]);
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case "su":
							 | 
						|
								            case "strict-units":
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    options.strictUnits = checkBooleanArg(match[2]);
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case "global-var":
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    if (!options.globalVars) {
							 | 
						|
								                        options.globalVars = {};
							 | 
						|
								                    }
							 | 
						|
								                    parseVariableOption(match[2], options.globalVars);
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case "modify-var":
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    if (!options.modifyVars) {
							 | 
						|
								                        options.modifyVars = {};
							 | 
						|
								                    }
							 | 
						|
								
							 | 
						|
								                    parseVariableOption(match[2], options.modifyVars);
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'url-args':
							 | 
						|
								                if (checkArgFunc(arg, match[2])) {
							 | 
						|
								                    options.urlArgs = match[2];
							 | 
						|
								                }
							 | 
						|
								                break;
							 | 
						|
								            case 'plugin':
							 | 
						|
								                var splitupArg = match[2].match(/^([^=]+)(=(.*))?/),
							 | 
						|
								                    name = splitupArg[1],
							 | 
						|
								                    pluginOptions = splitupArg[3];
							 | 
						|
								                queuePlugins.push({ name: name, options: pluginOptions });
							 | 
						|
								                break;
							 | 
						|
								            default:
							 | 
						|
								                queuePlugins.push({ name: arg, options: match[2], default: true });
							 | 
						|
								                break;
							 | 
						|
								        }
							 | 
						|
								    });
							 | 
						|
								
							 | 
						|
								    if (queuePlugins.length > 0) {
							 | 
						|
								        processPluginQueue();
							 | 
						|
								    }
							 | 
						|
								    else {
							 | 
						|
								        render();
							 | 
						|
								    }
							 | 
						|
								
							 | 
						|
								})();
							 | 
						|
								
							 |