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management/front/dkha-web-sz-main/node_modules/gulp-cssmin/index.js

54 lines
1.4 KiB
JavaScript

'use strict';
var path = require('path');
var fs = require('graceful-fs');
var gutil = require('gulp-util');
var map = require('map-stream');
var CleanCSS = require('clean-css');
var filesize = require('filesize');
var tempWrite = require('temp-write');
module.exports = function (options) {
return map(function (file, cb) {
if (file.isNull()) {
return cb(null, file);
}
if (file.isStream()) {
return cb(new gutil.PluginError('gulp-cssmin', 'Streaming not supported'));
}
if (['.css'].indexOf(path.extname(file.path)) === -1) {
gutil.log('gulp-cssmin: Skipping unsupported css ' + gutil.colors.blue(file.relative));
return cb(null, file);
}
tempWrite(file.contents, path.extname(file.path), function (err, tempFile) {
if (err) {
return cb(new gutil.PluginError('gulp-cssmin', err));
}
fs.stat(tempFile, function (err, stats) {
if (err) {
return cb(new gutil.PluginError('gulp-cssmin', err));
}
options = options || {};
fs.readFile(tempFile, { encoding : 'UTF-8'}, function(err, data) {
if (err) {
return cb(new gutil.PluginError('gulp-cssmin', err));
}
var minimized = new CleanCSS(options).minify(data).styles;
if (options.showLog) {
gutil.log('gulp-cssmin:', gutil.colors.green('✔ ') + file.relative);
}
file.contents = new Buffer(minimized);
cb(null, file);
});
});
});
});
};