Onyx includes our ‘Ecko Blocks’ plugin, which introduces additional features to the Code core Gutenberg block. These features include language specific syntax highlighting, multiple color schemes, line numbers, and support for popular languages (complete list can be found below).


Color Schemes


// This is an example of the 'Light' color scheme
function wp_get_time(){
    if(get_theme_mod('layout_use_custom_date_format', false)){
        the_date();
    }else{
        the_time('jS F Y ');
    }
}


// This is an example of the 'Dark' color scheme.
function wp_get_time(){
    if(get_theme_mod('layout_use_custom_date_format', false)){
        the_date();
    }else{
        the_time('jS F Y ');
    }
}


// This is an example of the 'High Contrast' color scheme.
function wp_get_time(){
    if(get_theme_mod('layout_use_custom_date_format', false)){
        the_date();
    }else{
        the_time('jS F Y ');
    }
}


Line Numbers


If you wish to display line numbers along with a Code block this an be enabled via the included options. Below is an example Code block using line numbers with the Dark color scheme.


const http = require('http');
const hostname = '127.0.0.1';
const port = 3000;
const server = http.createServer((req, res) => {
  res.statusCode = 200;
  res.setHeader('Content-Type', 'text/plain');
  res.end('Hello World\n');
});
server.listen(port, hostname, () => {
  console.log(`Server running at http://${hostname}:${port}/`);
});


Supported Languages


  • Apache
  • Bash
  • C#
  • C++
  • CSS
  • CoffeeScript
  • Diff
  • HTML/XML
  • HTTP
  • Ini
  • JSON
  • Java
  • JavaScript
  • Makefile
  • Markdown
  • Nginx
  • Objective-C
  • PHP
  • Perl
  • Python


  • Ruby
  • SQL
  • DNS Zone File
  • Dart
  • Dockerfile
  • Elm
  • Erlang
  • Go
  • Haml
  • Handlebars
  • Haskell
  • Haxe
  • Less
  • Rust
  • SCSS
  • Swift
  • Haxe
  • Typescript
  • YAML


Below is a preview of some of the above languages being highlighted.


HTML / CSS


<!DOCTYPE html>
<html>
    <body>
        <h1>My First Heading</h1>
        <p>My first paragraph.</p>
    </body>
</html>


.wrapper{
    max-width: 1400px;
    width: 100%;
    @media (max-width: 1470px) {
        padding: 0 2.5%;
    }
}


Python


def openFile(path):
    file = open(path, "r")
    content = file.read()
    file.close()
    return content


Ruby


def self.consume_front(str, size)
    str[0..size] = ''
    str.lstrip!
end


Bash


ls -la /home


PHP


function ivy_get_time(){
    if(get_theme_mod('layout_use_custom_date_format', false)){
        the_date();
    }else{
        the_time('jS F Y ');
    }
}

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