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listLanguages() returns a list of supported languages. It does not return language aliases. highlight.js has extensive support of language aliases which can be viewed here https://highlightjs.readthedocs.io/en/latest/css-classes-reference.html#language-names-and-aliases But because of using listLanguages(), TW does not take advantage of alias. getLanguage() method on the other hand supports aliases. https://highlightjs.readthedocs.io/en/latest/api.html#getlanguage-name To summarize, now user can use javascript, js or jsx for the code block. getLanguage() will return an object which means highlight.js supports this language.
title: $:/plugins/tiddlywiki/highlight/readme
This plugin provides syntax highlighting of code blocks using v9.15.6 of [[highlight.js|https://github.com/isagalaev/highlight.js]] from Ivan Sagalaev.
! Usage
When the plugin is installed it automatically applies highlighting to all codeblocks defined with triple backticks or with the CodeBlockWidget.
The language can optionally be specified after the opening triple braces:
<$codeblock code="""```css
* { margin: 0; padding: 0; } /* micro reset */
html { font-size: 62.5%; }
body { font-size: 14px; font-size: 1.4rem; } /* =14px */
h1 { font-size: 24px; font-size: 2.4rem; } /* =24px */
```"""/>
If no language is specified highlight.js will attempt to automatically detect the language.
! Built-in Language Brushes
The plugin includes support for the following languages (referred to as "brushes" by highlight.js):
* apache
* arduino
* arm assembly
* asciidoc
* autohotkey
* awk
* bash
* cmake
* coffeescript
* cpp
* cs
* css
* diff
* dockerfile
* erlang
* fortran
* go
* gradle
* haskell
* html
* http
* ini
* intel x86 assembly
* java
* javascript
* json
* kotlin
* makefile
* markdown
* mathematica
* matlab
* nginx
* objectivec
* perl
* php
* powershell
* python
* R
* ruby
* rust
* sql
* typescript
* vim script
* xml
* yaml
You can also specify the language as a MIME content type (eg `text/html` or `text/css`). The mapping is accomplished via mapping tiddlers whose titles start with `$:/config/HighlightPlugin/TypeMappings/`.