Merge pull request #25 from curbengh/minify-xml

feat: utilise better minify-xml

README.md

@@ -215,6 +215,8 @@ minify:
 - **removeComments** - Remove [comments](https://developer.mozilla.org/en-US/docs/Web/XML/XML_introduction) in xml. Defaults to `true`.
 - **globOptions** - See [globbing](#globbing) section.
 
+For more options, see [minify-xml](https://github.com/kristian/minify-xml#options).
+
 ## JSON
 
 Remove whitespaces in json.

lib/filter.js

@@ -8,6 +8,7 @@ const zlib = require('zlib')
 const { promisify } = require('util')
 const gzip = promisify(zlib.gzip)
 const br = promisify(zlib.brotliCompress)
+const { minify: compressXml } = require('minify-xml')
 const micromatch = require('micromatch')
 
 const isMatch = (path = '', patterns = [], options = {}) => {
@@ -226,7 +227,7 @@ function minifyXml () {
 
   const { route } = hexo
   const routeList = route.list()
-  const { globOptions, include, removeComments, verbose } = options
+  const { globOptions, include, verbose } = options
 
   return Promise.all((match(routeList, include, globOptions)).map((path) => {
     return new Promise((resolve, reject) => {
@@ -236,15 +237,7 @@ function minifyXml () {
       assetPath.on('end', () => {
         if (assetTxt.length) {
           try {
-            /* !
-            * Regex patterns are adapted from pretty-data 0.50.0
-            * Licensed MIT (c) 2012-2017 Vadim Kiryukhin ( vkiryukhin @ gmail.com )
-            * https://github.com/vkiryukhin/pretty-data
-            */
-            const text = removeComments
-              ? assetTxt.replace(/<![ \r\n\t]*(--([^-]|[\r\n]|-[^-])*--[ \r\n\t]*)>/g, '')
-              : assetTxt
-            const result = text.replace(/>\s{0,}</g, '><')
+            const result = compressXml(assetTxt, { ...options })
             if (verbose) logFn.call(this, assetTxt, result, path, 'xml')
             resolve(route.set(path, result))
           } catch (err) {

package.json

@@ -26,6 +26,7 @@
     "clean-css": "^4.2.1",
     "html-minifier": "^4.0.0",
     "micromatch": "^4.0.2",
+    "minify-xml": "^2.1.1",
     "svgo": "^1.2.2",
     "terser": "^4.0.0"
   },

test/xml.test.js

@@ -189,4 +189,18 @@ describe('xml', () => {
     const result = await x()
     expect(result.length).toBe(0)
   })
+
+  test('avoid processing CDATA', async () => {
+    const input = '<foo><![CDATA[<p>lorem</p>\n<p>ipsum</p>]]></foo>'
+    hexo.route.set(path, input)
+
+    await x()
+
+    const output = hexo.route.get(path)
+    let result = ''
+    output.on('data', (chunk) => (result += chunk))
+    output.on('end', () => {
+      expect(result).toBe(input)
+    })
+  })
 })