kmx.io/prism.js/plugins/custom-class/index.html
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plugins/custom-class/index.html
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <link rel="icon" href="assets/favicon.png" /> <title>Custom Class ▲ Prism plugins</title> <base href="../.." /> <link rel="stylesheet" href="assets/style.css" /> <link rel="stylesheet" href="themes/prism.css" data-noprefix /> <script src="assets/vendor/prefixfree.min.js"></script> <script>var _gaq = [['_setAccount', 'UA-33746269-1'], ['_trackPageview']];</script> <script src="https://www.google-analytics.com/ga.js" async></script> </head> <body class="language-javascript"> <header data-plugin-header="custom-class"></header> <section> <h1>Motivation</h1> <p>Prism default classes are sensible but fixed and too generic. This plugin provide some ways to customize those classes to suit your needs. Example usages:</p> <ul> <li> You want to add namespace for all of them (like <code>.prism--comment</code>) to avoid conflict with your existing classes. </li> <li> You use a naming convention (like <a href="https://en.bem.info/method">BEM</a>). You want to write classes like <code>.editor__comment</code>. </li> <li>You use <a href="https://github.com/css-modules/css-modules">CSS Modules</a>. You want to use your hashed classes, like <code>.comment_7sh3a</code>. </li> <li>You need more granular control about the classes of certain tokens. You can define functions which will add new classes to tokens, so selectively change the highlighting of certain parts of your code. </li> </ul> </section> <section> <h1>How to use</h1> <h2>Prefix all Prism classes</h2> <pre><code>Prism.plugins.customClass.prefix('prism--')</code></pre> <h2>Replace some Prism classes with ones you defined</h2> <pre class="language-js"><code>Prism.plugins.customClass.map({ keyword: 'special-keyword', string: 'string_ch29s', comment: 'comment_93jsa' });</code></pre> <p>Object's keys are the classes you want to replace (eg: <code>comment</code>), with their values being the classes you want to use (eg: <code>my-comment</code>). Classes which are not specified will stay as they are.</p> <p>Alternatively you can also pass a function that takes the original class and returns the mapped class. This function can also be used implement language specific mapped classes.<br>Example:</p> <pre class="language-js"><code>Prism.plugins.customClass.map((className, language) => { if (language === 'css') { return cssSpecificMap[className] || className; } else { return className; } });</code></pre> <h2>Add new classes</h2> <p>You can add new classes with per-token and per-language precision.</p> <pre class="language-js"><code>Prism.plugins.customClass.add(({content, type, language}) => { if (content === 'content' && type === 'property' && language === 'css') { return 'content-property'; } });</code></pre> <p><b>Note:</b> The given <code>content</code> is the inner HTML of the current token. All <code><</code> and <code>&</code> characters are escaped and it might contain the HTML code of nested tokens.</p> </section> <section> <h1>Notes</h1> <ul> <li> <p>Feature functions must be called <strong>AFTER</strong> Prism and this plugin. For example:</p> <pre class="language-markup"><code><!-- 1. load prism --> <script src="prism.js"></script> <!-- 2. load the plugin if you don't include it inside prism when download --> <script src="plugins/custom-class/custom-class.js"></script> <!-- 3. call the feature you want to use --> <script> Prism.plugins.customClass.map(myClassMap); Prism.plugins.customClass.prefix(myPrefixString); </script></code></pre> </li> <li>In most cases, using 1 feature is enough. However, it is possible to use both of them together if you want (Result will be like <code>.my-namespace--comment_93jsa</code>).</li> </ul> <h2>CSS Modules Usage:</h2> <p>The initial purpose of this plugin is to be used with CSS Modules. It works perfectly with the class map object returned by CSS Modules. For example:</p> <pre class="language-js"><code>import Prism from 'prismjs'; import classMap from 'styles/editor-class-map.css'; Prism.plugins.customClass.map(classMap)</code></pre> <p><b>Note:</b> This plugin only affects generated token elements (usually of the form <code>span.token</code>). The classes of <code>code</code> and <code>pre</code> elements as well as all elements generated by other plugins (e.g. <a href="plugins/toolbar/">Toolbar</a> elements and <a href="plugins/line-numbers">line number</a> elements) will not be changed.</p> </section> <section> <h1>Example</h1> <h2>Prefix and map classes</h2> <p>Input</p> <pre class="language-markup"><code><pre class="language-javascript"><code> var foo = 'bar'; </code></pre></code></pre> <p>Options</p> <pre class="language-js"><code>Prism.plugins.customClass.map({ keyword: 'special-keyword', string: 'my-string' }); Prism.plugins.customClass.prefix('pr-');</code></pre> <p>Output</p> <pre class="language-markup"><code><pre class="language-javascript"><code class="language-markup"> <span class="pr-token pr-special-keyword">var</span> foo <span class="pr-token pr-operator">=</span> <span class="pr-token pr-my-string">'bar'</span> <span class="pr-token pr-punctuation">;</span> </code></pre></code></pre> <p>Note that this plugin only affects tokens. The classes of the <code>code</code> and <code>pre</code> elements won't be prefixed.</p> <h2>Add new classes</h2> <p>Input</p> <pre class="language-markup"><code><pre class="language-css"><code> a::after { content: '\2b00 '; opacity: .7; } </code></pre></code></pre> <p>Options</p> <pre class="language-js"><code>Prism.plugins.customClass.add(({language, type, content}) => { if (content === 'content' && type === 'property' && language === 'css') { return 'content-property'; } });</code></pre> <p>Output</p> <pre class="language-markup"><code><pre class=" language-css"><code class=" language-css"> <span class="token selector">a::after</span> <span class="token punctuation">{</span> <span class="token property content-property">content</span> <span class="token punctuation">:</span> <span class="token string">'\2b00 '</span> <span class="token punctuation">;</span> <span class="token property">opacity</span> <span class="token punctuation">:</span> .7 <span class="token punctuation">;</span> <span class="token punctuation">}</span> </code></pre></code></pre> </section> <footer data-src="assets/templates/footer.html" data-type="text/html"></footer> <script src="prism.js"></script> <script src="plugins/custom-class/prism-custom-class.js"></script> <script src="assets/vendor/utopia.js"></script> <script src="components.js"></script> <script src="assets/code.js"></script> </body> </html>