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@speed-highlight/core

🌈 Light, fast, and easy to use, dependencies free javascript syntax highlighter, with automatic language detection

  • 1.2.6
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Speed-highlight JS

Light, fast, and easy to use, dependencies free javascript syntax highlighter, with automatic language detection, try it out here

Light 📦

  • The core is about 1kB (gzipped & minified)
  • Languages definition are from a few bytes to 1kB
  • Themes are about 1kB
  • Language rules needed are automatically loaded

Fast ⚡

Blazing fast highlighting using regex

Simple setup 🚀

Web

Style/theme (in the header of your html file):

<link rel="stylesheet" href="/path/dist/themes/default.css">

In the body of your html file:

<div class='shj-lang-[code-language]'>[code]</div>
or
<code class='shj-lang-[code-language]'>[inline code]</code>

Highlight the code (in your javascript):

import { highlightAll } from '/path/dist/index.js'
highlightAll();

Auto language detection

import { highlightElement } from '../src/index.js';
import { detectLanguage } from '../src/detect.js';

elm.textContent = code;
highlightElement(elm, detectLanguage(code));

Load custom language

import { loadLanguage } from '../src/index.js';

loadLanguage('language-name', customLanguage);
CDN
<link rel="stylesheet" href="https://unpkg.com/@speed-highlight/core/dist/themes/default.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/speed-highlight/core/dist/themes/default.css">
import ... from 'https://unpkg.com/@speed-highlight/core/dist/index.js'
import ... from 'https://cdn.jsdelivr.net/gh/speed-highlight/core/dist/index.js'

Deno

Use the deno module

import { setTheme, printHighlight } from 'https://x.nest.land/speed_highlight_js/dist/terminal.js';

await setTheme('[theme-name]')
printHighlight('console.log("hello")', 'js')

Node

Use the npm package

npm i @speed-highlight/core
const { setTheme, printHighlight } = require('@speed-highlight/core/terminal');

setTheme('[theme-name]')
printHighlight('console.log("hello")', 'js')

Migrating from prism

Speed-highlight JS is a lighter and faster version of prism that share a similar API

Style

Remove the prism stylesheet in the head of your html file Clone this repository or use a cdn to load our stylesheet

<head>
-	<link href="themes/prism.css" rel="stylesheet" />
+	<link rel="stylesheet" href="https://unpkg.com/@speed-highlight/core/dist/themes/default.css">
</head>

Script

For the script part remove the prism.js script and replace it by a import and a call to highlightAll

<body>
-	<script src="prism.js"></script>
+<script>
+	import { highlightAll } from 'https://unpkg.com/@speed-highlight/core/dist/index.js'
+	highlightAll()
+</script>
</body>

If you want to highlight only a specific element you can use the highlightElement function instead

Code block

For the code blocks replace the <pre><code> by only one <div> And use shj-lang- prefix instead of language- for the class property

-<pre><code class="language-css">p { color: red }</code></pre>
+<div class="shj-lang-css">p { color: red }</div>

And for inline code block you just have to change the class property

-<code class="language-css">p { color: red }</code>
+<code class="shj-lang-css">p { color: red }</code>

Languages supported 🌐

NameClass nameSupportLanguage detection
bashshj-lang-bash
brainfuckshj-lang-bfincrement, operator, print, comment
cssshj-lang-csscomment, str, selector, units, function, ...
csvshj-lang-csvpunctuation, ...
diffshj-lang-diff
gitshj-lang-gitcomment, insert, deleted, string, ...
htmlshj-lang-html
httpshj-lang-httpkeywork, string, punctuation, variable, version
inishj-lang-ini
javasciptshj-lang-jsbasic syntax, regex, jsdoc, json, template literals
jsdocshj-lang-jsdoc
jsonshj-lang-jsonstring, number, bool, ...
leanpub-mdshj-lang-leanpub-md
logshj-lang-lognumber, string, comment, errors
luashj-lang-lua
makefileshj-lang-make
markdownshj-lang-md
perlshj-lang-pl
plainshj-lang-plain
pythonshj-lang-py
regexshj-lang-regexcount, set, ...
sqlshj-lang-sqlnumber, string, function, ...
todoshj-lang-todo
tomlshj-lang-tomlcomment, table, string, bool, variable
typescriptshj-lang-tsjs syntax, ts keyword, types
urishj-lang-uri
yamlshj-lang-yamlcomment, numbers, variable, string, bool
dockershj-lang-docker
cshj-lang-c
xmlshj-lang-xml
rustshj-lang-rs
goshj-lang-go
javashj-lang-java
asmshj-lang-asm

Themes 🌈

A modern theme by default

NameTerminalWeb
default
github-dark
github-light
github-dim
atom-dark
visual-studio-dark

Documentation 👀

Further in-depth documentation for the API and other topics is in our Wiki and our Documentation

License 📃

Shj is released under the Creative Commons Zero License. See our LICENSE file for details.

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Package last updated on 04 Jan 2024

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