highlightjs-apex

Apex - a language grammar for the Salesforce Platform

Demo

The screenshot was captured from a webpage using apex.min.js from the dist folder and the main highlight.min.js library. (Code is from Salesforce Trigger Framework) Feel free to use any css library you'd like!

Apex code requirements

This library will highlight Apex as used in Apex classes and triggers.

SOQL requirements

To highlight a SOQL query, it MUST be enclosed in square brackets ([ and ]). While creating a SOQL parser as a standalone sub-language (like javascript in html/Visualforce) would be ideal, this would require users to install both packages in a project and would get too messy. Each language can contain the other, so dependencies in the parsing become unwieldy.

Usage

Simply include the Highlight.js library in your webpage or Node app, then load this module. For more complex usage, see highlight.js usage.

Static website or simple usage

Simply load this module after loading Highlight.js. You'll use the minified version found in the dist directory. This module is just a CDN build of the language, so it will register itself as the Javascript is loaded.

For more details see Highlight.js main page.

<script type="text/javascript" src="/path/to/highlight.min.js"></script>
<script type="text/javascript" src="/path/to/apex.min.js"></script>
<!-- <link rel="stylesheet" href="https://unpkg.com/highlightjs/styles/vs.css" /> -->
<!-- Use any stylesheet you'd like - though Apex developers may want to use the custom theme based on MavensMate's Monokai -->
<link
	rel="stylesheet"
	href="https://cdn.jsdelivr.net/npm/highlightjs-apex/src/styles/monokai-sublime-apex.css" />

<script type="text/javascript">
	hljs.highlightAll();
</script>

This will find and highlight code inside of <pre><code> tags; it tries to detect the language automatically. If automatic detection doesn’t work for you, you can specify the language in the class attribute:

<pre>
    <code class="language-apex">
    ...
    </code>
</pre>

Ignoring a Code Block

To skip highlighting of a code block completely, use the nohighlight class:

<pre><code class="nohighlight">...</code></pre>

Using directly from jsDelivr

<script src="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release/build/highlight.min.js"></script>
<script
	type="text/javascript"
	src="https://cdn.jsdelivr.net/npm/highlightjs-apex/dist/apex.min.js"></script>

• More info: https://www.jsdelivr.com/

Using directly from the unpkg CDN

<script src="https://unpkg.com/@highlightjs/cdn-assets@11.9.0/highlight.min.js"></script>
<script
	type="text/javascript"
	src="https://unpkg.com/highlightjs-apex/dist/apex.min.js"></script>

• More info: https://unpkg.com/

With Node or another build system

If you're using Node / Webpack / Rollup / Browserify, etc, simply require the language module, then register it with Highlight.js.

var hljs = require('highlightjs');
var hljsApex = require('highlightjs-apex');

hljs.registerLanguage('apex', hljsApex);
hljs.highlightAll();

Styles

There are many styles to choose from at https://highlightjs.org/demo. They can be downloaded from the GitHub repository and referenced from unpkg.com (see sample html above). A great stylesheet for Apex is in this repo in the styles folder.

License

Highlight.js is released under the BSD 3-Clause License. See LICENSE file for details. Highlightjs-apex is released under the MIT License. See LICENSE file for details.

Author

David Schach https://github.com/dschach

Contribution

Feel free to create issues or (even better) pull requests.

Links

• The official site for the Highlight.js library is https://highlightjs.org/.
• The Highlight.js GitHub project: https://github.com/highlightjs/highlight.js
• Learn more about Apex: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_intro_what_is_apex.htm

Changelog

1.5.0 (2025-03-16)

Features

• Update summer25/api63 (#81) (ff1a752)

Documentation

• Update README Salesforce version to Summer25/API63 (99d9e90)

Dependencies

• @highlightjs/cdn-assets: Bump @highlightjs/cdn-assets from 11.10.0 to 11.11.1 (#74) (5c4c65c)
• @highlightjs/cdn-assets: Bump @highlightjs/cdn-assets from 11.9.0 to 11.10.0 (#62) (cfa6b05)

Build System

• mocha: Bump mocha from 10.3.0 to 10.4.0 (#54) (25b7f05)
• mocha: Bump mocha from 10.4.0 to 10.5.1 (#59) (35ea068)
• mocha: Bump mocha from 10.5.1 to 10.5.2 (#60) (3fd05a4)
• mocha: Bump mocha from 10.5.2 to 10.6.0 (#61) (ca00875)
• mocha: Bump mocha from 10.6.0 to 10.7.0 (#64) (4ea71c0)
• mocha: Bump mocha from 10.7.0 to 10.7.3 (#65) (68790c4)
• mocha: Bump mocha from 10.7.3 to 10.8.1 (#67) (b4f22bd)
• mocha: Bump mocha from 10.8.1 to 10.8.2 (#68) (0cbe946)
• mocha: Bump mocha from 10.8.2 to 11.1.0 (#75) (73b208a)
• prettier: Bump prettier from 3.2.5 to 3.3.0 (#56) (830ea51)
• prettier: Bump prettier from 3.3.0 to 3.3.1 (#57) (2ba1957)
• prettier: Bump prettier from 3.3.1 to 3.3.2 (#58) (d90ffbd)
• prettier: Bump prettier from 3.3.2 to 3.3.3 (#63) (d05515f)
• prettier: Bump prettier from 3.3.3 to 3.4.0 (#69) (1ba199a)
• prettier: Bump prettier from 3.4.0 to 3.4.1 (#70) (2c098d1)
• prettier: Bump prettier from 3.4.1 to 3.4.2 (#72) (f1eb0b3)
• prettier: Bump prettier from 3.4.2 to 3.5.0 (#76) (b1da7b4)
• prettier: Bump prettier from 3.5.0 to 3.5.1 (#77) (88c6d01)
• prettier: Bump prettier from 3.5.1 to 3.5.2 (#79) (20e3ccc)
• prettier: Bump prettier from 3.5.2 to 3.5.3 (#80) (aceba1a)

Continuous Integration

• dependabot/fetch-metadata: Bump dependabot/fetch-metadata from 1 to 2 (#53) (c78c675)
• dependabot: Stop dependabot auto-merge (#78) (4c3cbb9)
• release-please: Enforce sentence case for changelog entries (c6db5d0)
• release-please: Use googleapis/release-please-action (#66) (80b6aa0)