Add gzip compression

README.md

@@ -8,7 +8,7 @@
 
 > This project is based on [hexo-neat](https://github.com/rozbo/hexo-neat)
 
-Yet Another Minifier for Hexo.
+Yet Another Minifier for Hexo. Minify and compress (gzip) html, js and css.
 
 The original package has not been [updated](https://www.npmjs.com/package/hexo-neat) for a while. Its outdated dependencies suffer from minor [vulnerability](https://snyk.io/test/npm/hexo-neat).
 
@@ -68,6 +68,13 @@ neat_js:
 - **exclude**: Exclude files
 **Note:** For more options, see '[UglifyJS](https://github.com/mishoo/UglifyJS2)'
 
+----------
+
+``` yaml
+gzip:
+  enable: true
+```
+- **enable** - Enable the plugin. Defaults to `true`.
 
 ## Credits
 All credits go to the following work:
@@ -75,3 +82,4 @@ All credits go to the following work:
 - neat html by [HTMLMinifier](https://github.com/kangax/html-minifier)
 - neat css  by [clean-css](https://github.com/jakubpawlowicz/clean-css)
 - neat js   by  [UglifyJS](http://lisperator.net/uglifyjs/)
+- gzip inspired by [hexo-generator-optimize](https://github.com/JackyRen/hexo-generator-optimize)

index.js

@@ -35,10 +35,16 @@ var assign = require('object-assign');
             exclude: ['*.min.js']
         }, hexo.config.neat_js);
 
+        // html, css, js compression
+        hexo.config.gzip = assign({
+            enable: true,
+            logger: true,
+        }, hexo.config.gzip);
 
         var filter = require('./lib/filter');
         hexo.extend.filter.register('after_render:html', filter.logic_html);
         hexo.extend.filter.register('after_render:css', filter.logic_css);
         hexo.extend.filter.register('after_render:js', filter.logic_js);
+        hexo.extend.filter.register('before_exit', filter.logic_gzip);
     }
 //}

lib/filter.js

@@ -6,7 +6,8 @@ var CleanCSS = require('clean-css'),
     streamToArray = require('stream-to-array');
 var Promise = require('bluebird');
 var minimatch = require('minimatch');
-
+var zlib = require('zlib');
+var fs = require('fs');
 
 function logic_html(str, data) {
     var hexo = this,
@@ -93,8 +94,47 @@ function logic_js(str, data) {
     return result.code;
 }
 
+function logic_gzip() {
+    var hexo = this,
+        options = hexo.config.gzip;
+    // Return if disabled.
+    if (false === options.enable) return;
+
+    var publicFolder = hexo.base_dir+'public';
+
+    var compressFile = function (currentPath) {
+      var files = fs.readdirSync(currentPath);
+      for (var i in files) {
+        var currentFile = currentPath + '/' + files[i];
+        var stats = fs.statSync(currentFile);
+        if (stats.isFile()) {
+          if(currentFile.endsWith(".htm") ||
+              currentFile.endsWith(".html") ||
+              currentFile.endsWith(".js") ||
+              currentFile.endsWith(".css") ||
+              currentFile.endsWith(".txt")) {
+            var gzip = zlib.createGzip('level=9');
+            var inp = fs.createReadStream(currentFile);
+            var out = fs.createWriteStream(currentFile+'.gz');
+            inp.pipe(gzip).pipe(out);
+
+            if (options.logger) {
+              var log = hexo.log || console.log;
+              log.log('Compress the file: %s', currentFile);
+            }
+          }
+        }
+        else if (stats.isDirectory()) {
+          compressFile(currentFile);
+        }
+      }
+    };
+    compressFile(publicFolder);
+}
+
 module.exports = {
     logic_html: logic_html,
     logic_css: logic_css,
     logic_js: logic_js,
+    logic_gzip: logic_gzip,
 };

package.json

@@ -1,7 +1,7 @@
 {
   "name": "hexo-yam",
-  "description": "Yet Another Minifier. Minify html, js and css",
-  "version": "0.3.0",
+  "description": "Yet Another Minifier. Minify and compress html, js and css",
+  "version": "0.4.0",
   "readme": "README.md",
   "main": "index.js",
   "directories": {
@@ -12,6 +12,7 @@
   },
   "author": "weyusi",
   "license": "MIT",
+  "homepage": "https://github.com/weyusi/hexo-yam",
   "repository": {
     "type": "git",
     "url": "https://github.com/weyusi/hexo-yam.git"
@@ -29,7 +30,10 @@
     "html",
     "js",
     "css",
-    "hexo",
-    "minify"
+    "minify",
+    "compress",
+    "gzip",
+    "hexo-yam",
+    "hexo"
   ]
 }