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README.md

hexo-yam

npm version Build Status codecov NPM Dependencies Known Vulnerabilities Total alerts Language grade: JavaScript

Yet Another Minifier for Hexo. Minify and compress HTML, JS, CSS, SVG, XML and JSON. Other files are also compressed. Support gzip and brotli compressions.

Table of contents

Version 4

In v4, logger: option has been renamed to verbose:

Migrate:

minify:
  html:
-    logger: true
+    verbose: true

Installation

$ npm install hexo-yam --save

Options

minify:
  enable: true
  html:
  css:
  js:
  svg:
  gzip:
  brotli:
  xml:
  json:
  • enable - Enable the plugin. Defaults to true.
  • html - See HTML section
  • css - See CSS section
  • js - See JS section
  • svg - See SVG section
  • gzip - See Gzip section
  • brotli - See Brotli section
  • xml - See XML section
  • json - See JSON section

HTML

minify:
  html:
    enable: true
    exclude:
  • enable - Enable the plugin. Defaults to true.
  • priority - Plugin's priority. Defaults to 10. Set lower value to set higher priority and vice versa.
  • verbose - Verbose output. Defaults to false.
  • exclude - Exclude files. Support wildcard pattern(s) in a string or array.
  • globOptions - See globbing section.

For more options, see HTMLMinifier.

CSS

minify:
  css:
    enable: true
    exclude:
      - '*.min.css'
  • enable - Enable the plugin. Defaults to true.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • exclude - Exclude files. Support wildcard pattern(s) in a string or array.
  • level - Optimization level. Defaults to 2.
  • globOptions - See globbing section.

For more options, see clean-css.

JS

minify:
  js:
    enable: true
    exclude:
      - '*.min.js'
  • enable - Enable the plugin. Defaults to true.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • exclude - Exclude files. Support wildcard pattern(s) in a string or array.
  • compress - Compress options.
  • mangle - Mangle variable names. Defaults to true. Pass an object to specify mangle options.
  • output - Output options.
    • To retain comments, output: {comments: true}.
  • globOptions - See globbing section.

For more options, see Terser.

SVG

minify:
  svg:
    enable: true
    include:
      - '*.svg'
      - '!*.min.svg'
  • enable - Enable the plugin. Defaults to true.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • include - Include files. Support wildcard pattern(s) in a string or array.
    • Exclude *.min.svg by default.
  • plugins - Plugin options.
    • Example: to retain comments, plugins: [{removeComments: false}].
    • For more options, see svgo.
  • globOptions - See globbing section.

Gzip

minify:
  gzip:
    enable: true
    include:
      - '*.html'
      - '*.css'
      - '*.js'
      - '*.txt'
      - '*.ttf'
      - '*.atom'
      - '*.stl'
      - '*.xml'
      - '*.svg'
      - '*.eot'
      - '*.json'
  • enable - Enable the plugin. Defaults to true.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • include - Include files. Support wildcard pattern(s) in a string or array.
    • Support one-liner, include: ['*.html','*.css','*.js'].
    • Must include asterisk and single quotes. .html is invalid. '*.html' is valid.
  • globOptions - See globbing section.
  • level - Compression level; lower value may results in faster compression but slightly larger (compressed) file. Range 1-9. Defaults to 9, or the value of zlib.constants.Z_BEST_COMPRESSION

Brotli

minify:
  brotli:
    enable: true
    include:
      - '*.html'
      - '*.css'
      - '*.js'
      - '*.txt'
      - '*.ttf'
      - '*.atom'
      - '*.stl'
      - '*.xml'
      - '*.svg'
      - '*.eot'
      - '*.json'
  • enable - Enable the plugin. Defaults to true.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • include - Include files. Support wildcard pattern(s) in a string or array.
  • globOptions - See globbing section.
  • level - Compression level. Range 1-11. Defaults to 11, or the value of zlib.constants.BROTLI_MAX_QUALITY

XML

Remove whitespaces in xml.

minify:
  xml:
    enable: false
    include:
      - '*.xml'
      - '!*.min.xml'
  • enable - Enable the plugin. Defaults to false.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • include - Include files. Support wildcard pattern(s) in a string or array.
    • Exclude *.min.xml by default.
  • removeComments - Remove comments in xml. Defaults to true.
  • globOptions - See globbing section.

For more options, see minify-xml.

JSON

Remove whitespaces in json.

minify:
  json:
    enable: false
    include:
      - '*.json'
      - '!*.min.json'
  • enable - Enable the plugin. Defaults to false.
  • priority - Plugin's priority. Defaults to 10.
  • verbose - Verbose output. Defaults to false.
  • include - Include files. Support wildcard pattern(s) in a string or array.
    • Exclude *.min.json by default.
  • globOptions - See globbing section.

Globbing

Use "globOptions" to customise how glob patterns match files. Refer to micromatch for available options.

  • basename is enabled by default, unless the pattern has a slash.
  • basename is disabled depending on each pattern.
  • This means the following options would work,
exclude:
  - '*foo.html' # basename is enabled
  - '**/bar/*/*.html' # basename is automatically disabled
  - '*baz.css' # basename is enabled
globOptions:
  basename: true # default
  • This behaviour doesn't apply to pattern that starts with ! (negation).
  • This limitation only applies to include: option used in svg, gzip and brotli.
  • This means the following options would not work,
include:
  - '!foo.svg'
  - '!**/bar/*/*.svg'
globOptions:
  basename: true
  • basename will stay disabled, if explicitly disabled in "globOptions".

HTTP Compression

While most modern web browsers support Brotli, you also need to consider whether the web/app server, hosting platform, reverse proxy or CDN (whichever relevant to you) support it.

As of Sep 2020, GitHub Pages and GitLab Pages do not support brotli yet. You can generate .br files, but they won't serve those files.

Name Brotli support
GitHub Pages In consideration
GitLab Pages Yes
Netlify Yes
Hexo Server In progress

If you have access to the web server config, you should disable on-the-fly compression for static files (that are already compressed by this plugin),

  • nginx: Make sure both filter and static modules are enabled. This way pre-compressed .br files will be served while dynamic content can be compressed on-the-fly. Protip: brotli_types text/plain text/css application/javascript application/json image/svg+xml application/xml+rss; to prevent compressing media files (which are already compressed anyway).
  • Apache: See 'Serving pre-compressed content' section of mod_brotli.
  • Caddy: 0.9.4+ by default support pre-compressed .gz .br files and on-the-fly gzip compress dynamic files. v2 requires manual configuration, serving them automatically to be supported in future.
  • express/connect: Use pre-compressed-assets. You still can continue to use compression/shrink-ray-current for dynamic files.

Credits

All credits go to the following work:

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Yet Another Minifier. Minify and compress html, js, css and svg.

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