hexo-yam/lib/filter.js

99 lines
3.0 KiB
JavaScript

/* global hexo */
'use strict';
var CleanCSS = require('clean-css'),
UglifyJS = require('uglify-js'),
Htmlminifier = require('html-minifier').minify,
streamToArray = require('stream-to-array');
var Promise = require('bluebird');
var minimatch = require('minimatch');
function logic_html(str, data) {
var hexo = this,
options = hexo.config.neat_html;
// Return if disabled.
if (false === options.enable) return;
var path = data.path;
var exclude = options.exclude;
if (exclude && !Array.isArray(exclude)) exclude = [exclude];
if (path && exclude && exclude.length) {
for (var i = 0, len = exclude.length; i < len; i++) {
if (minimatch(path, exclude[i], {matchBase: true})) return str;
}
}
var result = Htmlminifier(str, options);
var saved = ((str.length - result.length) / str.length * 100).toFixed(2);
if (options.logger) {
var log = hexo.log || console.log;
log.log('Minify the html: %s [ %s saved]', path, saved + '%');
}
return result;
};
function logic_css(str, data) {
var hexo = this,
options = hexo.config.neat_css;
// Return if disabled.
if (false === options.enable) return;
var path = data.path;
var exclude = options.exclude;
if (exclude && !Array.isArray(exclude)) exclude = [exclude];
if (path && exclude && exclude.length) {
for (var i = 0, len = exclude.length; i < len; i++) {
if (minimatch(path, exclude[i], {matchBase: true})) return str;
}
}
return new Promise(function (resolve, reject) {
new CleanCSS(options).minify(str, function (err, result) {
if (err) return reject(err);
var saved = ((str.length - result.styles.length) / str.length * 100).toFixed(2);
resolve(result.styles);
if (options.logger) {
var log = hexo.log || console.log;
log.log('Minify the css: %s [ %s saved]', path, saved + '%');
}
});
});
}
function logic_js(str, data) {
var hexo = this,
options = hexo.config.neat_js;
// Return if disabled.
if (false === options.enable) return;
var path = data.path;
var exclude = options.exclude;
if (exclude && !Array.isArray(exclude)) exclude = [exclude];
if (path && exclude && exclude.length) {
for (var i = 0, len = exclude.length; i < len; i++) {
if (minimatch(path, exclude[i], {matchBase: true})) return str;
}
}
//uglifyjs doesn't like irrelevant options
delete options.enable
delete options.logger
delete options.exclude
var result = UglifyJS.minify(str, options);
var saved = ((str.length - result.code.length) / str.length * 100).toFixed(2);
if (options.logger) {
var log = hexo.log || console.log;
log.log('Minify the js: %s [ %s saved]', path, saved + '%');
}
return result.code;
}
module.exports = {
logic_html: logic_html,
logic_css: logic_css,
logic_js: logic_js,
};