96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
'use strict';
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var path = require('path');
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var util = require('util');
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var CleanCSS = require('clean-css');
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var chalk = require('chalk');
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var maxmin = require('maxmin');
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module.exports = function (grunt) {
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var getAvailableFiles = function (filesArray) {
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return filesArray.filter(function (filepath) {
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if (!grunt.file.exists(filepath)) {
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grunt.log.warn('Source file ' + chalk.cyan(filepath) + ' not found');
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return false;
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}
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return true;
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});
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};
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grunt.registerMultiTask('cssmin', 'Minify CSS', function () {
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var created = {
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maps: 0,
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files: 0
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};
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var size = {
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before: 0,
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after: 0
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};
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this.files.forEach(function (file) {
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var options = this.options({
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rebase: false,
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report: 'min',
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sourceMap: false
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});
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var availableFiles = getAvailableFiles(file.src);
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var compiled = '';
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options.target = file.dest;
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options.relativeTo = path.dirname(availableFiles[0]);
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try {
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compiled = new CleanCSS(options).minify(availableFiles);
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if (compiled.errors.length) {
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grunt.warn(compiled.errors.toString());
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return;
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}
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if (compiled.warnings.length) {
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grunt.log.error(compiled.warnings.toString());
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}
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if (options.debug) {
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grunt.log.writeln(util.format(compiled.stats));
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}
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} catch (err) {
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grunt.log.error(err);
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grunt.warn('CSS minification failed at ' + availableFiles + '.');
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}
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var compiledCssString = compiled.styles;
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var unCompiledCssString = availableFiles.map(function (file) {
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return grunt.file.read(file);
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}).join('');
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size.before += unCompiledCssString.length;
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if (options.sourceMap) {
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compiledCssString += '\n' + '/*# sourceMappingURL=' + path.basename(file.dest) + '.map */';
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grunt.file.write(file.dest + '.map', compiled.sourceMap.toString());
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created.maps++;
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grunt.verbose.writeln('File ' + chalk.cyan(file.dest + '.map') + ' created');
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}
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grunt.file.write(file.dest, compiledCssString);
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created.files++;
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size.after += compiledCssString.length;
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grunt.verbose.writeln('File ' + chalk.cyan(file.dest) + ' created ' + chalk.dim(maxmin(unCompiledCssString, compiledCssString, options.report === 'gzip')));
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}, this);
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if (created.maps > 0) {
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grunt.log.ok(created.maps + ' source' + grunt.util.pluralize(this.files.length, 'map/maps') + ' created.');
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}
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if (created.files > 0) {
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grunt.log.ok(created.files + ' ' + grunt.util.pluralize(this.files.length, 'file/files') + ' created. ' + chalk.dim(maxmin(size.before, size.after)));
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} else {
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grunt.log.warn('No files created.');
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}
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});
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};
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