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644 lines
16 KiB
644 lines
16 KiB
#!/usr/bin/env node
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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.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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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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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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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':
|
|
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(/^([^=]+)(=(.*))?/);
|
|
var name = splitupArg[1];
|
|
var 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();
|
|
}
|
|
})();
|