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| Basic external Javascript lib wrappers | |
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| <!-- WARNING: THIS FILE WAS AUTOGENERATED! DO NOT EDIT! --> | |
| <p>To expedite fast development, FastHTML comes with several built-in Javascript and formatting components. These are largely provided to demonstrate FastHTML JS patterns. There’s far too many JS libs for FastHTML to wrap them all, and as shown here the code to add FastHTML support is very simple anyway.</p> | |
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| <section id="light_media" class="level3"> | |
| <h3 class="anchored" data-anchor-id="light_media">light_media</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> light_media (css:str)</code></pre> | |
| </blockquote> | |
| <p><em>Render light media for day mode views</em></p> | |
| <table class="caption-top table"> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>css</td> | |
| <td>str</td> | |
| <td>CSS to be included in the light media query</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <div id="cell-4" class="cell"> | |
| <div class="sourceCode cell-code" id="cb2"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a>light_media(<span class="st">'.body {color: green;}'</span>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| <div class="cell-output cell-output-display cell-output-markdown"> | |
| <div class="sourceCode" id="cb3"><pre class="sourceCode html code-with-copy"><code class="sourceCode html"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="dt"><</span><span class="kw">style</span><span class="dt">></span><span class="im">@media</span> <span class="fu">(</span><span class="kw">prefers-color-scheme</span><span class="ch">:</span> <span class="dv">light</span><span class="fu">)</span> {<span class="fu">.body</span> {<span class="kw">color</span><span class="ch">:</span> <span class="cn">green</span><span class="op">;</span>}}<span class="dt"></</span><span class="kw">style</span><span class="dt">></span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| </div> | |
| </div> | |
| <hr> | |
| <p><a href="https://github.com/AnswerDotAI/fasthtml/blob/main/fasthtml/js.py#L23" target="_blank" style="float:right; font-size:smaller">source</a></p> | |
| </section> | |
| <section id="dark_media" class="level3"> | |
| <h3 class="anchored" data-anchor-id="dark_media">dark_media</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> dark_media (css:str)</code></pre> | |
| </blockquote> | |
| <p><em>Render dark media for night mode views</em></p> | |
| <table class="caption-top table"> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>css</td> | |
| <td>str</td> | |
| <td>CSS to be included in the dark media query</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <div id="cell-6" class="cell"> | |
| <div class="sourceCode cell-code" id="cb5"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a>dark_media(<span class="st">'.body {color: white;}'</span>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| <div class="cell-output cell-output-display cell-output-markdown"> | |
| <div class="sourceCode" id="cb6"><pre class="sourceCode html code-with-copy"><code class="sourceCode html"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="dt"><</span><span class="kw">style</span><span class="dt">></span><span class="im">@media</span> <span class="fu">(</span><span class="kw">prefers-color-scheme</span><span class="ch">:</span> <span class="dv">dark</span><span class="fu">)</span> {<span class="fu">.body</span> {<span class="kw">color</span><span class="ch">:</span> <span class="cn">white</span><span class="op">;</span>}}<span class="dt"></</span><span class="kw">style</span><span class="dt">></span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| </div> | |
| </div> | |
| <hr> | |
| <p><a href="https://github.com/AnswerDotAI/fasthtml/blob/main/fasthtml/js.py#L35" target="_blank" style="float:right; font-size:smaller">source</a></p> | |
| </section> | |
| <section id="markdownjs" class="level3"> | |
| <h3 class="anchored" data-anchor-id="markdownjs">MarkdownJS</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> MarkdownJS (sel='.marked')</code></pre> | |
| </blockquote> | |
| <p><em>Implements browser-based markdown rendering.</em></p> | |
| <table class="caption-top table"> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Default</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>sel</td> | |
| <td>str</td> | |
| <td>.marked</td> | |
| <td>CSS selector for markdown elements</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <p>Usage example <a href="../tutorials/quickstart_for_web_devs.html#rendering-markdown">here</a>.</p> | |
| <div id="cell-9" class="cell"> | |
| <div class="sourceCode cell-code" id="cb8"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="va">__file__</span> <span class="op">=</span> <span class="st">'../../fasthtml/katex.js'</span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| </div> | |
| <hr> | |
| <p><a href="https://github.com/AnswerDotAI/fasthtml/blob/main/fasthtml/js.py#L43" target="_blank" style="float:right; font-size:smaller">source</a></p> | |
| </section> | |
| <section id="katexmarkdownjs" class="level3"> | |
| <h3 class="anchored" data-anchor-id="katexmarkdownjs">KatexMarkdownJS</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> KatexMarkdownJS (sel='.marked', inline_delim='$', display_delim='$$', | |
| math_envs=None)</code></pre> | |
| </blockquote> | |
| <table class="caption-top table"> | |
| <colgroup> | |
| <col style="width: 6%"> | |
| <col style="width: 25%"> | |
| <col style="width: 34%"> | |
| <col style="width: 34%"> | |
| </colgroup> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Default</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>sel</td> | |
| <td>str</td> | |
| <td>.marked</td> | |
| <td>CSS selector for markdown elements</td> | |
| </tr> | |
| <tr class="even"> | |
| <td>inline_delim</td> | |
| <td>str</td> | |
| <td>$</td> | |
| <td>Delimiter for inline math</td> | |
| </tr> | |
| <tr class="odd"> | |
| <td>display_delim</td> | |
| <td>str</td> | |
| <td>$$</td> | |
| <td>Delimiter for long math</td> | |
| </tr> | |
| <tr class="even"> | |
| <td>math_envs</td> | |
| <td>NoneType</td> | |
| <td>None</td> | |
| <td>List of environments to render as display math</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <p>KatexMarkdown usage example:</p> | |
| <div class="sourceCode" id="cb10"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a>longexample <span class="op">=</span> <span class="vs">r"""</span></span> | |
| <span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="vs">Long example:</span></span> | |
| <span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-4"><a href="#cb10-4" aria-hidden="true" tabindex="-1"></a><span class="vs">$$\begin</span><span class="sc">{array}{c}</span></span> | |
| <span id="cb10-5"><a href="#cb10-5" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-6"><a href="#cb10-6" aria-hidden="true" tabindex="-1"></a><span class="vs">\nabla \times \vec{\mathbf</span><span class="sc">{B}</span><span class="vs">} -\, \frac1c\, \frac{\partial\vec{\mathbf</span><span class="sc">{E}}}</span><span class="vs">{\partial t} &</span></span> | |
| <span id="cb10-7"><a href="#cb10-7" aria-hidden="true" tabindex="-1"></a><span class="vs">= \frac{4\pi}</span><span class="sc">{c}</span><span class="vs">\vec{\mathbf</span><span class="sc">{j}</span><span class="vs">} \nabla \cdot \vec{\mathbf</span><span class="sc">{E}</span><span class="vs">} & = 4 \pi \rho \\</span></span> | |
| <span id="cb10-8"><a href="#cb10-8" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-9"><a href="#cb10-9" aria-hidden="true" tabindex="-1"></a><span class="vs">\nabla \times \vec{\mathbf</span><span class="sc">{E}</span><span class="vs">}\, +\, \frac1c\, \frac{\partial\vec{\mathbf</span><span class="sc">{B}}}</span><span class="vs">{\partial t} & = \vec{\mathbf</span><span class="sc">{0}</span><span class="vs">} \\</span></span> | |
| <span id="cb10-10"><a href="#cb10-10" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-11"><a href="#cb10-11" aria-hidden="true" tabindex="-1"></a><span class="vs">\nabla \cdot \vec{\mathbf</span><span class="sc">{B}</span><span class="vs">} & = 0</span></span> | |
| <span id="cb10-12"><a href="#cb10-12" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-13"><a href="#cb10-13" aria-hidden="true" tabindex="-1"></a><span class="vs">\end</span><span class="sc">{array}</span><span class="vs">$$</span></span> | |
| <span id="cb10-14"><a href="#cb10-14" aria-hidden="true" tabindex="-1"></a><span class="vs">"""</span></span> | |
| <span id="cb10-15"><a href="#cb10-15" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-16"><a href="#cb10-16" aria-hidden="true" tabindex="-1"></a>app, rt <span class="op">=</span> fast_app(hdrs<span class="op">=</span>[KatexMarkdownJS()])</span> | |
| <span id="cb10-17"><a href="#cb10-17" aria-hidden="true" tabindex="-1"></a></span> | |
| <span id="cb10-18"><a href="#cb10-18" aria-hidden="true" tabindex="-1"></a><span class="at">@rt</span>(<span class="st">'/'</span>)</span> | |
| <span id="cb10-19"><a href="#cb10-19" aria-hidden="true" tabindex="-1"></a><span class="kw">def</span> get():</span> | |
| <span id="cb10-20"><a href="#cb10-20" aria-hidden="true" tabindex="-1"></a> <span class="cf">return</span> Titled(<span class="st">"Katex Examples"</span>, </span> | |
| <span id="cb10-21"><a href="#cb10-21" aria-hidden="true" tabindex="-1"></a> <span class="co"># Assigning 'marked' class to components renders content as markdown</span></span> | |
| <span id="cb10-22"><a href="#cb10-22" aria-hidden="true" tabindex="-1"></a> P(cls<span class="op">=</span><span class="st">'marked'</span>)(<span class="st">"Inline example: $\sqrt{3x-1}+(1+x)^2$"</span>),</span> | |
| <span id="cb10-23"><a href="#cb10-23" aria-hidden="true" tabindex="-1"></a> Div(cls<span class="op">=</span><span class="st">'marked'</span>)(longexample)</span> | |
| <span id="cb10-24"><a href="#cb10-24" aria-hidden="true" tabindex="-1"></a> )</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| <hr> | |
| <p><a href="https://github.com/AnswerDotAI/fasthtml/blob/main/fasthtml/js.py#L58" target="_blank" style="float:right; font-size:smaller">source</a></p> | |
| </section> | |
| <section id="highlightjs" class="level3"> | |
| <h3 class="anchored" data-anchor-id="highlightjs">HighlightJS</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> HighlightJS (sel='pre code:not([data-highlighted="yes"])', | |
| langs:str|list|tuple='python', light='atom-one-light', | |
| dark='atom-one-dark')</code></pre> | |
| </blockquote> | |
| <p><em>Implements browser-based syntax highlighting. Usage example <a href="../tutorials/quickstart_for_web_devs.html#code-highlighting">here</a>.</em></p> | |
| <table class="caption-top table"> | |
| <colgroup> | |
| <col style="width: 6%"> | |
| <col style="width: 25%"> | |
| <col style="width: 34%"> | |
| <col style="width: 34%"> | |
| </colgroup> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Default</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>sel</td> | |
| <td>str</td> | |
| <td>pre code:not([data-highlighted=“yes”])</td> | |
| <td>CSS selector for code elements. Default is industry standard, be careful before adjusting it</td> | |
| </tr> | |
| <tr class="even"> | |
| <td>langs</td> | |
| <td>str | list | tuple</td> | |
| <td>python</td> | |
| <td>Language(s) to highlight</td> | |
| </tr> | |
| <tr class="odd"> | |
| <td>light</td> | |
| <td>str</td> | |
| <td>atom-one-light</td> | |
| <td>Light theme</td> | |
| </tr> | |
| <tr class="even"> | |
| <td>dark</td> | |
| <td>str</td> | |
| <td>atom-one-dark</td> | |
| <td>Dark theme</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <hr> | |
| <p><a href="https://github.com/AnswerDotAI/fasthtml/blob/main/fasthtml/js.py#L81" target="_blank" style="float:right; font-size:smaller">source</a></p> | |
| </section> | |
| <section id="sortablejs" class="level3"> | |
| <h3 class="anchored" data-anchor-id="sortablejs">SortableJS</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> SortableJS (sel='.sortable', ghost_class='blue-background-class')</code></pre> | |
| </blockquote> | |
| <table class="caption-top table"> | |
| <colgroup> | |
| <col style="width: 6%"> | |
| <col style="width: 25%"> | |
| <col style="width: 34%"> | |
| <col style="width: 34%"> | |
| </colgroup> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Default</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>sel</td> | |
| <td>str</td> | |
| <td>.sortable</td> | |
| <td>CSS selector for sortable elements</td> | |
| </tr> | |
| <tr class="even"> | |
| <td>ghost_class</td> | |
| <td>str</td> | |
| <td>blue-background-class</td> | |
| <td>When an element is being dragged, this is the class used to distinguish it from the rest</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <hr> | |
| <p><a href="https://github.com/AnswerDotAI/fasthtml/blob/main/fasthtml/js.py#L92" target="_blank" style="float:right; font-size:smaller">source</a></p> | |
| </section> | |
| <section id="mermaidjs" class="level3"> | |
| <h3 class="anchored" data-anchor-id="mermaidjs">MermaidJS</h3> | |
| <blockquote class="blockquote"> | |
| <pre><code> MermaidJS (sel='.language-mermaid', theme='base')</code></pre> | |
| </blockquote> | |
| <p><em>Implements browser-based Mermaid diagram rendering.</em></p> | |
| <table class="caption-top table"> | |
| <thead> | |
| <tr class="header"> | |
| <th></th> | |
| <th><strong>Type</strong></th> | |
| <th><strong>Default</strong></th> | |
| <th><strong>Details</strong></th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <tr class="odd"> | |
| <td>sel</td> | |
| <td>str</td> | |
| <td>.language-mermaid</td> | |
| <td>CSS selector for mermaid elements</td> | |
| </tr> | |
| <tr class="even"> | |
| <td>theme</td> | |
| <td>str</td> | |
| <td>base</td> | |
| <td>Mermaid theme to use</td> | |
| </tr> | |
| </tbody> | |
| </table> | |
| <div class="sourceCode" id="cb14"><pre class="sourceCode python code-with-copy"><code class="sourceCode python"><span id="cb14-1"><a href="#cb14-1" aria-hidden="true" tabindex="-1"></a>app, rt <span class="op">=</span> fast_app(hdrs<span class="op">=</span>[MermaidJS()])</span> | |
| <span id="cb14-2"><a href="#cb14-2" aria-hidden="true" tabindex="-1"></a><span class="at">@rt</span>(<span class="st">'/'</span>)</span> | |
| <span id="cb14-3"><a href="#cb14-3" aria-hidden="true" tabindex="-1"></a><span class="kw">def</span> get():</span> | |
| <span id="cb14-4"><a href="#cb14-4" aria-hidden="true" tabindex="-1"></a> <span class="cf">return</span> Titled(<span class="st">"Mermaid Examples"</span>, </span> | |
| <span id="cb14-5"><a href="#cb14-5" aria-hidden="true" tabindex="-1"></a> <span class="co"># Assigning 'marked' class to components renders content as markdown</span></span> | |
| <span id="cb14-6"><a href="#cb14-6" aria-hidden="true" tabindex="-1"></a> Pre(Code(cls <span class="op">=</span><span class="st">"language-mermaid"</span>)(<span class="st">'''flowchart TD</span></span> | |
| <span id="cb14-7"><a href="#cb14-7" aria-hidden="true" tabindex="-1"></a><span class="st"> A[main] --> B["fact(5)"] --> C["fact(4)"] --> D["fact(3)"] --> E["fact(2)"] --> F["fact(1)"] --> G["fact(0)"]</span></span> | |
| <span id="cb14-8"><a href="#cb14-8" aria-hidden="true" tabindex="-1"></a><span class="st"> '''</span>)))</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div> | |
| <p>In a markdown file, just like a code cell you can define</p> | |
| <p>```mermaid</p> | |
| <pre><code> graph TD | |
| A --> B | |
| B --> C | |
| C --> E</code></pre> | |
| <p>```</p> | |
| </section> | |
| </main> <!-- /main --> | |
| <script id="quarto-html-after-body" type="application/javascript"> | |
| window.document.addEventListener("DOMContentLoaded", function (event) { | |
| const toggleBodyColorMode = (bsSheetEl) => { | |
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| button.setAttribute("title", "Copied!"); | |
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| var localhostRegex = new RegExp(/^(?:http|https):\/\/localhost\:?[0-9]*\//); | |
| var mailtoRegex = new RegExp(/^mailto:/); | |
| var filterRegex = new RegExp("https:\/\/www\.fastht\.ml\/docs\/"); | |
| var isInternal = (href) => { | |
| return filterRegex.test(href) || localhostRegex.test(href) || mailtoRegex.test(href); | |
| } | |
| // Inspect non-navigation links and adorn them if external | |
| var links = window.document.querySelectorAll('a[href]:not(.nav-link):not(.navbar-brand):not(.toc-action):not(.sidebar-link):not(.sidebar-item-toggle):not(.pagination-link):not(.no-external):not([aria-hidden]):not(.dropdown-item):not(.quarto-navigation-tool):not(.about-link)'); | |
| for (var i=0; i<links.length; i++) { | |
| const link = links[i]; | |
| if (!isInternal(link.href)) { | |
| // undo the damage that might have been done by quarto-nav.js in the case of | |
| // links that we want to consider external | |
| if (link.dataset.originalHref !== undefined) { | |
| link.href = link.dataset.originalHref; | |
| } | |
| } | |
| } | |
| function tippyHover(el, contentFn, onTriggerFn, onUntriggerFn) { | |
| const config = { | |
| allowHTML: true, | |
| maxWidth: 500, | |
| delay: 100, | |
| arrow: false, | |
| appendTo: function(el) { | |
| return el.parentElement; | |
| }, | |
| interactive: true, | |
| interactiveBorder: 10, | |
| theme: 'quarto', | |
| placement: 'bottom-start', | |
| }; | |
| if (contentFn) { | |
| config.content = contentFn; | |
| } | |
| if (onTriggerFn) { | |
| config.onTrigger = onTriggerFn; | |
| } | |
| if (onUntriggerFn) { | |
| config.onUntrigger = onUntriggerFn; | |
| } | |
| window.tippy(el, config); | |
| } | |
| const noterefs = window.document.querySelectorAll('a[role="doc-noteref"]'); | |
| for (var i=0; i<noterefs.length; i++) { | |
| const ref = noterefs[i]; | |
| tippyHover(ref, function() { | |
| // use id or data attribute instead here | |
| let href = ref.getAttribute('data-footnote-href') || ref.getAttribute('href'); | |
| try { href = new URL(href).hash; } catch {} | |
| const id = href.replace(/^#\/?/, ""); | |
| const note = window.document.getElementById(id); | |
| if (note) { | |
| return note.innerHTML; | |
| } else { | |
| return ""; | |
| } | |
| }); | |
| } | |
| const xrefs = window.document.querySelectorAll('a.quarto-xref'); | |
| const processXRef = (id, note) => { | |
| // Strip column container classes | |
| const stripColumnClz = (el) => { | |
| el.classList.remove("page-full", "page-columns"); | |
| if (el.children) { | |
| for (const child of el.children) { | |
| stripColumnClz(child); | |
| } | |
| } | |
| } | |
| stripColumnClz(note) | |
| if (id === null || id.startsWith('sec-')) { | |
| // Special case sections, only their first couple elements | |
| const container = document.createElement("div"); | |
| if (note.children && note.children.length > 2) { | |
| container.appendChild(note.children[0].cloneNode(true)); | |
| for (let i = 1; i < note.children.length; i++) { | |
| const child = note.children[i]; | |
| if (child.tagName === "P" && child.innerText === "") { | |
| continue; | |
| } else { | |
| container.appendChild(child.cloneNode(true)); | |
| break; | |
| } | |
| } | |
| if (window.Quarto?.typesetMath) { | |
| window.Quarto.typesetMath(container); | |
| } | |
| return container.innerHTML | |
| } else { | |
| if (window.Quarto?.typesetMath) { | |
| window.Quarto.typesetMath(note); | |
| } | |
| return note.innerHTML; | |
| } | |
| } else { | |
| // Remove any anchor links if they are present | |
| const anchorLink = note.querySelector('a.anchorjs-link'); | |
| if (anchorLink) { | |
| anchorLink.remove(); | |
| } | |
| if (window.Quarto?.typesetMath) { | |
| window.Quarto.typesetMath(note); | |
| } | |
| if (note.classList.contains("callout")) { | |
| return note.outerHTML; | |
| } else { | |
| return note.innerHTML; | |
| } | |
| } | |
| } | |
| for (var i=0; i<xrefs.length; i++) { | |
| const xref = xrefs[i]; | |
| tippyHover(xref, undefined, function(instance) { | |
| instance.disable(); | |
| let url = xref.getAttribute('href'); | |
| let hash = undefined; | |
| if (url.startsWith('#')) { | |
| hash = url; | |
| } else { | |
| try { hash = new URL(url).hash; } catch {} | |
| } | |
| if (hash) { | |
| const id = hash.replace(/^#\/?/, ""); | |
| const note = window.document.getElementById(id); | |
| if (note !== null) { | |
| try { | |
| const html = processXRef(id, note.cloneNode(true)); | |
| instance.setContent(html); | |
| } finally { | |
| instance.enable(); | |
| instance.show(); | |
| } | |
| } else { | |
| // See if we can fetch this | |
| fetch(url.split('#')[0]) | |
| .then(res => res.text()) | |
| .then(html => { | |
| const parser = new DOMParser(); | |
| const htmlDoc = parser.parseFromString(html, "text/html"); | |
| const note = htmlDoc.getElementById(id); | |
| if (note !== null) { | |
| const html = processXRef(id, note); | |
| instance.setContent(html); | |
| } | |
| }).finally(() => { | |
| instance.enable(); | |
| instance.show(); | |
| }); | |
| } | |
| } else { | |
| // See if we can fetch a full url (with no hash to target) | |
| // This is a special case and we should probably do some content thinning / targeting | |
| fetch(url) | |
| .then(res => res.text()) | |
| .then(html => { | |
| const parser = new DOMParser(); | |
| const htmlDoc = parser.parseFromString(html, "text/html"); | |
| const note = htmlDoc.querySelector('main.content'); | |
| if (note !== null) { | |
| // This should only happen for chapter cross references | |
| // (since there is no id in the URL) | |
| // remove the first header | |
| if (note.children.length > 0 && note.children[0].tagName === "HEADER") { | |
| note.children[0].remove(); | |
| } | |
| const html = processXRef(null, note); | |
| instance.setContent(html); | |
| } | |
| }).finally(() => { | |
| instance.enable(); | |
| instance.show(); | |
| }); | |
| } | |
| }, function(instance) { | |
| }); | |
| } | |
| let selectedAnnoteEl; | |
| const selectorForAnnotation = ( cell, annotation) => { | |
| let cellAttr = 'data-code-cell="' + cell + '"'; | |
| let lineAttr = 'data-code-annotation="' + annotation + '"'; | |
| const selector = 'span[' + cellAttr + '][' + lineAttr + ']'; | |
| return selector; | |
| } | |
| const selectCodeLines = (annoteEl) => { | |
| const doc = window.document; | |
| const targetCell = annoteEl.getAttribute("data-target-cell"); | |
| const targetAnnotation = annoteEl.getAttribute("data-target-annotation"); | |
| const annoteSpan = window.document.querySelector(selectorForAnnotation(targetCell, targetAnnotation)); | |
| const lines = annoteSpan.getAttribute("data-code-lines").split(","); | |
| const lineIds = lines.map((line) => { | |
| return targetCell + "-" + line; | |
| }) | |
| let top = null; | |
| let height = null; | |
| let parent = null; | |
| if (lineIds.length > 0) { | |
| //compute the position of the single el (top and bottom and make a div) | |
| const el = window.document.getElementById(lineIds[0]); | |
| top = el.offsetTop; | |
| height = el.offsetHeight; | |
| parent = el.parentElement.parentElement; | |
| if (lineIds.length > 1) { | |
| const lastEl = window.document.getElementById(lineIds[lineIds.length - 1]); | |
| const bottom = lastEl.offsetTop + lastEl.offsetHeight; | |
| height = bottom - top; | |
| } | |
| if (top !== null && height !== null && parent !== null) { | |
| // cook up a div (if necessary) and position it | |
| let div = window.document.getElementById("code-annotation-line-highlight"); | |
| if (div === null) { | |
| div = window.document.createElement("div"); | |
| div.setAttribute("id", "code-annotation-line-highlight"); | |
| div.style.position = 'absolute'; | |
| parent.appendChild(div); | |
| } | |
| div.style.top = top - 2 + "px"; | |
| div.style.height = height + 4 + "px"; | |
| div.style.left = 0; | |
| let gutterDiv = window.document.getElementById("code-annotation-line-highlight-gutter"); | |
| if (gutterDiv === null) { | |
| gutterDiv = window.document.createElement("div"); | |
| gutterDiv.setAttribute("id", "code-annotation-line-highlight-gutter"); | |
| gutterDiv.style.position = 'absolute'; | |
| const codeCell = window.document.getElementById(targetCell); | |
| const gutter = codeCell.querySelector('.code-annotation-gutter'); | |
| gutter.appendChild(gutterDiv); | |
| } | |
| gutterDiv.style.top = top - 2 + "px"; | |
| gutterDiv.style.height = height + 4 + "px"; | |
| } | |
| selectedAnnoteEl = annoteEl; | |
| } | |
| }; | |
| const unselectCodeLines = () => { | |
| const elementsIds = ["code-annotation-line-highlight", "code-annotation-line-highlight-gutter"]; | |
| elementsIds.forEach((elId) => { | |
| const div = window.document.getElementById(elId); | |
| if (div) { | |
| div.remove(); | |
| } | |
| }); | |
| selectedAnnoteEl = undefined; | |
| }; | |
| // Handle positioning of the toggle | |
| window.addEventListener( | |
| "resize", | |
| throttle(() => { | |
| elRect = undefined; | |
| if (selectedAnnoteEl) { | |
| selectCodeLines(selectedAnnoteEl); | |
| } | |
| }, 10) | |
| ); | |
| function throttle(fn, ms) { | |
| let throttle = false; | |
| let timer; | |
| return (...args) => { | |
| if(!throttle) { // first call gets through | |
| fn.apply(this, args); | |
| throttle = true; | |
| } else { // all the others get throttled | |
| if(timer) clearTimeout(timer); // cancel #2 | |
| timer = setTimeout(() => { | |
| fn.apply(this, args); | |
| timer = throttle = false; | |
| }, ms); | |
| } | |
| }; | |
| } | |
| // Attach click handler to the DT | |
| const annoteDls = window.document.querySelectorAll('dt[data-target-cell]'); | |
| for (const annoteDlNode of annoteDls) { | |
| annoteDlNode.addEventListener('click', (event) => { | |
| const clickedEl = event.target; | |
| if (clickedEl !== selectedAnnoteEl) { | |
| unselectCodeLines(); | |
| const activeEl = window.document.querySelector('dt[data-target-cell].code-annotation-active'); | |
| if (activeEl) { | |
| activeEl.classList.remove('code-annotation-active'); | |
| } | |
| selectCodeLines(clickedEl); | |
| clickedEl.classList.add('code-annotation-active'); | |
| } else { | |
| // Unselect the line | |
| unselectCodeLines(); | |
| clickedEl.classList.remove('code-annotation-active'); | |
| } | |
| }); | |
| } | |
| const findCites = (el) => { | |
| const parentEl = el.parentElement; | |
| if (parentEl) { | |
| const cites = parentEl.dataset.cites; | |
| if (cites) { | |
| return { | |
| el, | |
| cites: cites.split(' ') | |
| }; | |
| } else { | |
| return findCites(el.parentElement) | |
| } | |
| } else { | |
| return undefined; | |
| } | |
| }; | |
| var bibliorefs = window.document.querySelectorAll('a[role="doc-biblioref"]'); | |
| for (var i=0; i<bibliorefs.length; i++) { | |
| const ref = bibliorefs[i]; | |
| const citeInfo = findCites(ref); | |
| if (citeInfo) { | |
| tippyHover(citeInfo.el, function() { | |
| var popup = window.document.createElement('div'); | |
| citeInfo.cites.forEach(function(cite) { | |
| var citeDiv = window.document.createElement('div'); | |
| citeDiv.classList.add('hanging-indent'); | |
| citeDiv.classList.add('csl-entry'); | |
| var biblioDiv = window.document.getElementById('ref-' + cite); | |
| if (biblioDiv) { | |
| citeDiv.innerHTML = biblioDiv.innerHTML; | |
| } | |
| popup.appendChild(citeDiv); | |
| }); | |
| return popup.innerHTML; | |
| }); | |
| } | |
| } | |
| }); | |
| </script> | |
| </div> <!-- /content --> | |
| <footer class="footer"><div class="nav-footer"><div class="nav-footer-center"><div class="toc-actions d-sm-block d-md-none"><ul><li><a href="https://github.com/AnswerDotAI/fasthtml/issues/new" class="toc-action"><i class="bi bi-github"></i>Report an issue</a></li></ul></div></div></div></footer></body></html> |