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662 lines
17 KiB
662 lines
17 KiB
#!/usr/bin/env node |
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/* eslint indent: [2, 2, {"SwitchCase": 1}] */ |
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"use strict"; |
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var path = require('path'); |
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var fs = require('../lib/less-node/fs').default; |
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var os = require('os'); |
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var utils = require('../lib/less/utils'); |
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var Constants = require('../lib/less/constants'); |
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var less = require('../lib/less-node').default; |
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var errno; |
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var 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 pluginManager = new less.PluginManager(less); |
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var fileManager = new less.FileManager(); |
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var plugins = []; |
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var queuePlugins = []; |
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var args = process.argv.slice(1); |
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var silent = false; |
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var verbose = false; |
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var 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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var checkArgFunc = function checkArgFunc(arg, option) { |
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if (!option) { |
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console.error("".concat(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 checkBooleanArg(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 ".concat(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 parseVariableOption(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.disablePluginRule && queuePlugins.length > 0) { |
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console.error('--plugin and --disable-plugin-rule may not be used at the same time'); |
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process.exitCode = 1; |
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return; |
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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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} // 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 = "".concat(output, ".map"); |
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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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var mapDir = path.dirname(mapFilename); |
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var outputDir = path.dirname(output); // find the path from the map to the output file |
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// eslint-disable-next-line max-len |
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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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sourceMapOptions.sourceMapFilename = path.join(path.relative(outputDir, mapDir), path.basename(sourceMapOptions.sourceMapFullFilename)); |
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} |
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if (sourceMapOptions.sourceMapURL && sourceMapOptions.disableSourcemapAnnotation) { |
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console.error('You cannot provide flag --source-map-url with --source-map-no-annotation.'); |
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console.error('Please remove one of those flags.'); |
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process.exitcode = 1; |
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return; |
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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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var 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 ensureDirectory(filepath) { |
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var dir = path.dirname(filepath); |
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var cmd; |
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var existsSync = fs.existsSync || path.existsSync; |
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if (!existsSync(dir)) { |
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if (mkdirp === undefined) { |
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try { |
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mkdirp = require('make-dir'); |
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} catch (e) { |
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mkdirp = null; |
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} |
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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("".concat(outputbase, ": ")); |
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} |
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if (!sourceMapFileInline) { |
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var writeSourceMap = function writeSourceMap() { |
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var output = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''; |
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var onDone = arguments.length > 1 ? arguments[1] : undefined; |
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var filename = sourceMapOptions.sourceMapFullFilename; |
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ensureDirectory(filename); |
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// To fix https://github.com/less/less.js/issues/3646 |
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output = output.toString(); |
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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 += "".concat(err.code, " ").concat(err.message); |
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} |
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console.error("lessc: failed to create file ".concat(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 ".concat(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 writeSourceMapIfNeeded(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 writeOutput(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, { |
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encoding: 'utf8' |
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}, 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 += "".concat(err.code, " ").concat(err.message); |
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} |
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console.error("lessc: failed to create file ".concat(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 ".concat(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 logDependencies(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 += "".concat(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 parseLessFile(e, data) { |
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if (e) { |
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console.error("lessc: ".concat(e.message)); |
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process.exitCode = 1; |
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return; |
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} |
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data = data.replace(/^\uFEFF/, ''); |
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options.paths = [path.dirname(input)].concat(options.paths); |
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options.filename = input; |
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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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if (options.sourceMap) { |
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options.sourceMap = sourceMapOptions; |
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} |
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less.logger.addListener({ |
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info: function info(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 warn(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 error(msg) { |
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console.error(msg); |
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} |
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}); |
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less.render(data, options).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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}, 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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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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function pluginError(name) { |
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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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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).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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}).catch(function () { |
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pluginError(queue.name); |
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}); |
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}); |
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} // self executing function so we can return |
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(function () { |
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args = args.filter(function (arg) { |
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var match; |
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match = arg.match(/^-I(.+)$/); |
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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); |
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if (match) { |
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arg = match[1]; |
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} 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 ".concat(less.version.join('.'), " (Less Compiler) [JavaScript]")); |
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continueProcessing = false; |
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break; |
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case 'verbose': |
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verbose = true; |
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break; |
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case 's': |
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case 'silent': |
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silent = true; |
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break; |
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case 'l': |
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case 'lint': |
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options.lint = true; |
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break; |
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case 'strict-imports': |
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options.strictImports = true; |
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break; |
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case 'h': |
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case 'help': |
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printUsage(); |
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break; |
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case 'x': |
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case 'compress': |
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options.compress = true; |
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break; |
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case 'insecure': |
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options.insecure = true; |
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break; |
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case 'M': |
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case 'depends': |
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options.depends = true; |
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break; |
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case 'max-line-len': |
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if (checkArgFunc(arg, match[2])) { |
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options.maxLineLen = parseInt(match[2], 10); |
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if (options.maxLineLen <= 0) { |
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options.maxLineLen = -1; |
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} |
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} |
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break; |
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case 'no-color': |
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options.color = false; |
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break; |
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case 'js': |
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options.javascriptEnabled = true; |
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break; |
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case 'no-js': |
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// eslint-disable-next-line max-len |
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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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break; |
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case 'include-path': |
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if (checkArgFunc(arg, match[2])) { |
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// ; supported on windows. |
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// : supported on windows and linux, excluding a drive letter like C:\ so C:\file:D:\file parses to 2 |
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options.paths = match[2].split(os.type().match(/Windows/) ? /:(?!\\)|;/ : ':').map(function (p) { |
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if (p) { |
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return path.resolve(process.cwd(), p); |
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} |
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}); |
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} |
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break; |
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case 'line-numbers': |
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if (checkArgFunc(arg, match[2])) { |
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options.dumpLineNumbers = match[2]; |
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} |
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break; |
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case 'source-map': |
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options.sourceMap = true; |
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if (match[2]) { |
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sourceMapOptions.sourceMapFullFilename = match[2]; |
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} |
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break; |
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case 'source-map-rootpath': |
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if (checkArgFunc(arg, match[2])) { |
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sourceMapOptions.sourceMapRootpath = match[2]; |
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} |
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break; |
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case 'source-map-basepath': |
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if (checkArgFunc(arg, match[2])) { |
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sourceMapOptions.sourceMapBasepath = match[2]; |
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} |
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break; |
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case 'source-map-inline': |
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case 'source-map-map-inline': |
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sourceMapFileInline = true; |
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options.sourceMap = true; |
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break; |
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case 'source-map-include-source': |
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case 'source-map-less-inline': |
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sourceMapOptions.outputSourceFiles = true; |
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break; |
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case 'source-map-url': |
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if (checkArgFunc(arg, match[2])) { |
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sourceMapOptions.sourceMapURL = match[2]; |
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} |
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break; |
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case 'source-map-no-annotation': |
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sourceMapOptions.disableSourcemapAnnotation = true; |
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break; |
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case 'rp': |
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case 'rootpath': |
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if (checkArgFunc(arg, match[2])) { |
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options.rootpath = match[2].replace(/\\/g, '/'); |
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} |
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break; |
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case 'ie-compat': |
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console.warn('The --ie-compat option is deprecated, as it has no effect on compilation.'); |
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break; |
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case 'relative-urls': |
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console.warn('The --relative-urls option has been deprecated. Use --rewrite-urls=all.'); |
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options.rewriteUrls = Constants.RewriteUrls.ALL; |
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break; |
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case 'ru': |
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case 'rewrite-urls': |
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var m = match[2]; |
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if (m) { |
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if (m === 'local') { |
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options.rewriteUrls = Constants.RewriteUrls.LOCAL; |
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} else if (m === 'off') { |
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options.rewriteUrls = Constants.RewriteUrls.OFF; |
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} else if (m === 'all') { |
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options.rewriteUrls = Constants.RewriteUrls.ALL; |
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} else { |
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console.error("Unknown rewrite-urls argument ".concat(m)); |
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continueProcessing = false; |
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process.exitCode = 1; |
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} |
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} else { |
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options.rewriteUrls = Constants.RewriteUrls.ALL; |
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} |
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break; |
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case 'sm': |
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case 'strict-math': |
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console.warn('The --strict-math option has been deprecated. Use --math=strict.'); |
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if (checkArgFunc(arg, match[2])) { |
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if (checkBooleanArg(match[2])) { |
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options.math = Constants.Math.PARENS; |
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} |
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} |
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break; |
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case 'm': |
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case 'math': |
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var m = match[2]; |
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if (checkArgFunc(arg, m)) { |
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if (m === 'always') { |
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console.warn('--math=always is deprecated and will be removed in the future.'); |
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options.math = Constants.Math.ALWAYS; |
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} else if (m === 'parens-division') { |
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options.math = Constants.Math.PARENS_DIVISION; |
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} else if (m === 'parens' || m === 'strict') { |
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options.math = Constants.Math.PARENS; |
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} else if (m === 'strict-legacy') { |
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console.warn('--math=strict-legacy has been removed. Defaulting to --math=strict'); |
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options.math = Constants.Math.PARENS; |
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} |
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} |
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break; |
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case 'su': |
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case 'strict-units': |
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if (checkArgFunc(arg, match[2])) { |
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options.strictUnits = checkBooleanArg(match[2]); |
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} |
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break; |
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case 'global-var': |
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if (checkArgFunc(arg, match[2])) { |
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if (!options.globalVars) { |
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options.globalVars = {}; |
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} |
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parseVariableOption(match[2], options.globalVars); |
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} |
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break; |
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|
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case 'modify-var': |
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if (checkArgFunc(arg, match[2])) { |
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if (!options.modifyVars) { |
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options.modifyVars = {}; |
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} |
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parseVariableOption(match[2], options.modifyVars); |
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} |
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break; |
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|
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case 'url-args': |
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if (checkArgFunc(arg, match[2])) { |
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options.urlArgs = match[2]; |
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} |
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break; |
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|
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case 'plugin': |
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var splitupArg = match[2].match(/^([^=]+)(=(.*))?/); |
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var name = splitupArg[1]; |
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var pluginOptions = splitupArg[3]; |
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queuePlugins.push({ |
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name: name, |
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options: pluginOptions |
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}); |
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break; |
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|
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case 'disable-plugin-rule': |
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options.disablePluginRule = true; |
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break; |
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|
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default: |
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queuePlugins.push({ |
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name: arg, |
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options: match[2], |
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default: true |
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}); |
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break; |
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} |
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}); |
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if (queuePlugins.length > 0) { |
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processPluginQueue(); |
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} else { |
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render(); |
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} |
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})(); |