image-match/python/py/share/jupyter/nbconvert/templates/lab/mermaidjs.html.j2

{%- macro mermaid_js(
url="https://cdnjs.cloudflare.com/ajax/libs/mermaid/11.10.0/mermaid.esm.min.mjs",
elk_url="https://cdnjs.cloudflare.com/ajax/libs/mermaid-layout-elk/0.1.9/mermaid-layout-elk.esm.min.mjs"
) -%}
<script type="module">
  document.addEventListener("DOMContentLoaded", async () => {
    const diagrams = document.querySelectorAll(".jp-Mermaid > pre.mermaid");
    // do not load mermaidjs if not needed
    if (!diagrams.length) {
      return;
    }
    const mermaid = (await import("{{ url }}")).default;
    const elkUrl = "{{ elk_url | default('') }}";
    if(elkUrl) {
      const elkLayouts = (await import(elkUrl)).default;
      mermaid.registerLayoutLoaders(elkLayouts);
    }
    const parser = new DOMParser();

    mermaid.initialize({
      maxTextSize: 100000,
      maxEdges: 100000,
      startOnLoad: false,
      fontFamily: window
        .getComputedStyle(document.body)
        .getPropertyValue("--jp-ui-font-family"),
      theme: document.querySelector("body[data-jp-theme-light='true']")
        ? "default"
        : "dark",
    });

    let _nextMermaidId = 0;

    function makeMermaidImage(svg) {
      const img = document.createElement("img");
      const doc = parser.parseFromString(svg, "image/svg+xml");
      const svgEl = doc.querySelector("svg");
      const { maxWidth } = svgEl?.style || {};
      const firstTitle = doc.querySelector("title");
      const firstDesc = doc.querySelector("desc");

      img.setAttribute("src", `data:image/svg+xml,${encodeURIComponent(svg)}`);
      if (maxWidth) {
        img.width = parseInt(maxWidth);
      }
      if (firstTitle) {
        img.setAttribute("alt", firstTitle.textContent);
      }
      if (firstDesc) {
        const caption = document.createElement("figcaption");
        caption.className = "sr-only";
        caption.textContent = firstDesc.textContent;
        return [img, caption];
      }
      return [img];
    }

    async function makeMermaidError(text) {
      let errorMessage = "";
      try {
        await mermaid.parse(text);
      } catch (err) {
        errorMessage = `${err}`;
      }

      const result = document.createElement("details");
      result.className = 'jp-RenderedMermaid-Details';
      const summary = document.createElement("summary");
      summary.className = 'jp-RenderedMermaid-Summary';
      const pre = document.createElement("pre");
      const code = document.createElement("code");
      code.innerText = text;
      pre.appendChild(code);
      summary.appendChild(pre);
      result.appendChild(summary);

      const warning = document.createElement("pre");
      warning.innerText = errorMessage;
      result.appendChild(warning);
      return [result];
    }

    async function renderOneMarmaid(src) {
      const id = `jp-mermaid-${_nextMermaidId++}`;
      const parent = src.parentNode;
      let raw = src.textContent.trim();
      const el = document.createElement("div");
      el.style.visibility = "hidden";
      document.body.appendChild(el);
      let results = null;
      let output = null;
      try {
        let { svg } = await mermaid.render(id, raw, el);
        svg = cleanMermaidSvg(svg);
        results = makeMermaidImage(svg);
        output = document.createElement("figure");
        results.map(output.appendChild, output);
      } catch (err) {
        parent.classList.add("jp-mod-warning");
        results = await makeMermaidError(raw);
        output = results[0];
      } finally {
        el.remove();
      }
      parent.classList.add("jp-RenderedMermaid");
      parent.appendChild(output);
    }


    /**
     * Post-process to ensure mermaid diagrams contain only valid SVG and XHTML.
     */
    function cleanMermaidSvg(svg) {
      svg = svg.replace(RE_VOID_ELEMENT, replaceVoidElement);
      return `${SVG_XML_HEADER}${svg}`;
    }


    /**
     * A regular expression for all void elements, which may include attributes and
     * a slash.
     *
     * @see https://developer.mozilla.org/en-US/docs/Glossary/Void_element
     *
     * Of these, only `<br>` is generated by Mermaid in place of `\n`,
     * but _any_ "malformed" tag will break the SVG rendering entirely.
     */
    const RE_VOID_ELEMENT =
      /<\s*(area|base|br|col|embed|hr|img|input|link|meta|param|source|track|wbr)\s*([^>]*?)\s*>/gi;

    /**
     * Ensure a void element is closed with a slash, preserving any attributes.
     */
    function replaceVoidElement(match, tag, rest) {
      rest = rest.trim();
      if (!rest.endsWith('/')) {
        rest = `${rest} /`;
      }
      return `<${tag} ${rest}>`;
    }


  /**
   * Named HTML entities with their decimal equivalent codes.
   *
   * @see https://www.w3.org/TR/WD-html40-970708/sgml/entities.html
   * */
  const HTML_ENTITIES = `<!ENTITY Aacute "&#193;">
<!ENTITY aacute "&#225;">
<!ENTITY Acirc "&#194;">
<!ENTITY acirc "&#226;">
<!ENTITY acute "&#180;">
<!ENTITY AElig "&#198;">
<!ENTITY aelig "&#230;">
<!ENTITY Agrave "&#192;">
<!ENTITY agrave "&#224;">
<!ENTITY alefsym "&#8501;">
<!ENTITY Alpha "&#913;">
<!ENTITY alpha "&#945;">
<!ENTITY amp "&#38;">
<!ENTITY and "&#8869;">
<!ENTITY ang "&#8736;">
<!ENTITY Aring "&#197;">
<!ENTITY aring "&#229;">
<!ENTITY asymp "&#8776;">
<!ENTITY Atilde "&#195;">
<!ENTITY atilde "&#227;">
<!ENTITY Auml "&#196;">
<!ENTITY auml "&#228;">
<!ENTITY bdquo "&#8222;">
<!ENTITY Beta "&#914;">
<!ENTITY beta "&#946;">
<!ENTITY brvbar "&#166;">
<!ENTITY bull "&#8226;">
<!ENTITY cap "&#8745;">
<!ENTITY Ccedil "&#199;">
<!ENTITY ccedil "&#231;">
<!ENTITY cedil "&#184;">
<!ENTITY cent "&#162;">
<!ENTITY Chi "&#935;">
<!ENTITY chi "&#967;">
<!ENTITY circ "&#710;">
<!ENTITY clubs "&#9827;">
<!ENTITY cong "&#8773;">
<!ENTITY copy "&#169;">
<!ENTITY crarr "&#8629;">
<!ENTITY cup "&#8746;">
<!ENTITY curren "&#164;">
<!ENTITY dagger "&#8224;">
<!ENTITY Dagger "&#8225;">
<!ENTITY darr "&#8595;">
<!ENTITY dArr "&#8659;">
<!ENTITY deg "&#176;">
<!ENTITY Delta "&#916;">
<!ENTITY delta "&#948;">
<!ENTITY diams "&#9830;">
<!ENTITY divide "&#247;">
<!ENTITY Eacute "&#201;">
<!ENTITY eacute "&#233;">
<!ENTITY Ecirc "&#202;">
<!ENTITY ecirc "&#234;">
<!ENTITY Egrave "&#200;">
<!ENTITY egrave "&#232;">
<!ENTITY empty "&#8709;">
<!ENTITY emsp "&#8195;">
<!ENTITY ensp "&#8194;">
<!ENTITY epsilon "&#949;">
<!ENTITY Epsilon "&#917;">
<!ENTITY equiv "&#8801;">
<!ENTITY Eta "&#919;">
<!ENTITY eta "&#951;">
<!ENTITY ETH "&#208;">
<!ENTITY eth "&#240;">
<!ENTITY Euml "&#203;">
<!ENTITY euml "&#235;">
<!ENTITY exist "&#8707;">
<!ENTITY fnof "&#402;">
<!ENTITY forall "&#8704;">
<!ENTITY frac12 "&#189;">
<!ENTITY frac14 "&#188;">
<!ENTITY frac34 "&#190;">
<!ENTITY frasl "&#8260;">
<!ENTITY Gamma "&#915;">
<!ENTITY gamma "&#947;">
<!ENTITY ge "&#8805;">
<!ENTITY gt "&#62;">
<!ENTITY harr "&#8596;">
<!ENTITY hArr "&#8660;">
<!ENTITY hearts "&#9829;">
<!ENTITY hellip "&#8230;">
<!ENTITY Iacute "&#205;">
<!ENTITY iacute "&#237;">
<!ENTITY Icirc "&#206;">
<!ENTITY icirc "&#238;">
<!ENTITY iexcl "&#161;">
<!ENTITY Igrave "&#204;">
<!ENTITY igrave "&#236;">
<!ENTITY image "&#8465;">
<!ENTITY infin "&#8734;">
<!ENTITY int "&#8747;">
<!ENTITY Iota "&#921;">
<!ENTITY iota "&#953;">
<!ENTITY iquest "&#191;">
<!ENTITY isin "&#8712;">
<!ENTITY Iuml "&#207;">
<!ENTITY iuml "&#239;">
<!ENTITY Kappa "&#922;">
<!ENTITY kappa "&#954;">
<!ENTITY Lambda "&#923;">
<!ENTITY lambda "&#955;">
<!ENTITY lang "&#9001;">
<!ENTITY laquo "&#171;">
<!ENTITY larr "&#8592;">
<!ENTITY lArr "&#8656;">
<!ENTITY lceil "&#8968;">
<!ENTITY ldquo "&#8220;">
<!ENTITY le "&#8804;">
<!ENTITY lfloor "&#8970;">
<!ENTITY lowast "&#8727;">
<!ENTITY loz "&#9674;">
<!ENTITY lrm "&#8206;">
<!ENTITY lsaquo "&#8249;">
<!ENTITY lsquo "&#8216;">
<!ENTITY lt "&#60;">
<!ENTITY macr "&#175;">
<!ENTITY mdash "&#8212;">
<!ENTITY micro "&#181;">
<!ENTITY middot "&#183;">
<!ENTITY minus "&#8722;">
<!ENTITY Mu "&#924;">
<!ENTITY mu "&#956;">
<!ENTITY nabla "&#8711;">
<!ENTITY nbsp "&#160;">
<!ENTITY ndash "&#8211;">
<!ENTITY ne "&#8800;">
<!ENTITY ni "&#8715;">
<!ENTITY not "&#172;">
<!ENTITY notin "&#8713;">
<!ENTITY nsub "&#8836;">
<!ENTITY Ntilde "&#209;">
<!ENTITY ntilde "&#241;">
<!ENTITY Nu "&#925;">
<!ENTITY nu "&#957;">
<!ENTITY Oacute "&#211;">
<!ENTITY oacute "&#243;">
<!ENTITY Ocirc "&#212;">
<!ENTITY ocirc "&#244;">
<!ENTITY OElig "&#338;">
<!ENTITY oelig "&#339;">
<!ENTITY Ograve "&#210;">
<!ENTITY ograve "&#242;">
<!ENTITY oline "&#8254;">
<!ENTITY Omega "&#937;">
<!ENTITY omega "&#969;">
<!ENTITY Omicron "&#927;">
<!ENTITY omicron "&#959;">
<!ENTITY oplus "&#8853;">
<!ENTITY or "&#8870;">
<!ENTITY ordf "&#170;">
<!ENTITY ordm "&#186;">
<!ENTITY Oslash "&#216;">
<!ENTITY oslash "&#248;">
<!ENTITY Otilde "&#213;">
<!ENTITY otilde "&#245;">
<!ENTITY otimes "&#8855;">
<!ENTITY Ouml "&#214;">
<!ENTITY ouml "&#246;">
<!ENTITY para "&#182;">
<!ENTITY part "&#8706;">
<!ENTITY permil "&#8240;">
<!ENTITY perp "&#8869;">
<!ENTITY Phi "&#934;">
<!ENTITY phi "&#966;">
<!ENTITY Pi "&#928;">
<!ENTITY pi "&#960;">
<!ENTITY piv "&#982;">
<!ENTITY plusmn "&#177;">
<!ENTITY pound "&#163;">
<!ENTITY prime "&#8242;">
<!ENTITY Prime "&#8243;">
<!ENTITY prod "&#8719;">
<!ENTITY prop "&#8733;">
<!ENTITY Psi "&#936;">
<!ENTITY psi "&#968;">
<!ENTITY quot "&#34;">
<!ENTITY radic "&#8730;">
<!ENTITY rang "&#9002;">
<!ENTITY raquo "&#187;">
<!ENTITY rarr "&#8594;">
<!ENTITY rArr "&#8658;">
<!ENTITY rceil "&#8969;">
<!ENTITY rdquo "&#8221;">
<!ENTITY real "&#8476;">
<!ENTITY reg "&#174;">
<!ENTITY rfloor "&#8971;">
<!ENTITY Rho "&#929;">
<!ENTITY rho "&#961;">
<!ENTITY rlm "&#8207;">
<!ENTITY rsaquo "&#8250;">
<!ENTITY rsquo "&#8217;">
<!ENTITY sbquo "&#8218;">
<!ENTITY Scaron "&#352;">
<!ENTITY scaron "&#353;">
<!ENTITY sdot "&#8901;">
<!ENTITY sect "&#167;">
<!ENTITY shy "&#173;">
<!ENTITY Sigma "&#931;">
<!ENTITY sigma "&#963;">
<!ENTITY sigmaf "&#962;">
<!ENTITY sim "&#8764;">
<!ENTITY spades "&#9824;">
<!ENTITY sub "&#8834;">
<!ENTITY sube "&#8838;">
<!ENTITY sum "&#8721;">
<!ENTITY sup "&#8835;">
<!ENTITY sup1 "&#185;">
<!ENTITY sup2 "&#178;">
<!ENTITY sup3 "&#179;">
<!ENTITY supe "&#8839;">
<!ENTITY szlig "&#223;">
<!ENTITY Tau "&#932;">
<!ENTITY tau "&#964;">
<!ENTITY there4 "&#8756;">
<!ENTITY Theta "&#920;">
<!ENTITY theta "&#952;">
<!ENTITY thetasym "&#977;">
<!ENTITY thinsp "&#8201;">
<!ENTITY THORN "&#222;">
<!ENTITY thorn "&#254;">
<!ENTITY tilde "&#732;">
<!ENTITY times "&#215;">
<!ENTITY trade "&#8482;">
<!ENTITY Uacute "&#218;">
<!ENTITY uacute "&#250;">
<!ENTITY uarr "&#8593;">
<!ENTITY uArr "&#8657;">
<!ENTITY Ucirc "&#219;">
<!ENTITY ucirc "&#251;">
<!ENTITY Ugrave "&#217;">
<!ENTITY ugrave "&#249;">
<!ENTITY uml "&#168;">
<!ENTITY upsih "&#978;">
<!ENTITY Upsilon "&#933;">
<!ENTITY upsilon "&#965;">
<!ENTITY Uuml "&#220;">
<!ENTITY uuml "&#252;">
<!ENTITY weierp "&#8472;">
<!ENTITY Xi "&#926;">
<!ENTITY xi "&#958;">
<!ENTITY Yacute "&#221;">
<!ENTITY yacute "&#253;">
<!ENTITY yen "&#165;">
<!ENTITY Yuml "&#376;">
<!ENTITY yuml "&#255;">
<!ENTITY Zeta "&#918;">
<!ENTITY zeta "&#950;">
<!ENTITY zwj "&#8205;">
<!ENTITY zwnj "&#8204;">`.replace(/\n/g, ' ');

  /**
   * A reasonably strict xml declaration.
   */
  const XML_DECL = '<?xml version="1.0" standalone="no"?>';

  /**
   * The beginning of the XML doctype declaration.
   */
  const DOCTYPE_START = `<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" [`;

  /**
   * The end of the XML docype declaration.
   */
  const DOCTYPE_END = ']>';

  /**
   * A full header for an SVG XML document.
   */
  const SVG_XML_HEADER = `${XML_DECL}
    ${DOCTYPE_START}${HTML_ENTITIES}${DOCTYPE_END}`;

    void Promise.all([...diagrams].map(renderOneMarmaid));
  });
</script>
<style>
  .jp-Mermaid:not(.jp-RenderedMermaid) {
    display: none;
  }

  .jp-RenderedMermaid {
    overflow: auto;
    display: flex;
  }

  .jp-RenderedMermaid.jp-mod-warning {
    width: auto;
    padding: 0.5em;
    margin-top: 0.5em;
    border: var(--jp-border-width) solid var(--jp-warn-color2);
    border-radius: var(--jp-border-radius);
    color: var(--jp-ui-font-color1);
    font-size: var(--jp-ui-font-size1);
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  .jp-RenderedMermaid figure {
    margin: 0;
    overflow: auto;
    max-width: 100%;
  }

  .jp-RenderedMermaid img {
    max-width: 100%;
  }

  .jp-RenderedMermaid-Details > pre {
    margin-top: 1em;
  }

  .jp-RenderedMermaid-Summary {
    color: var(--jp-warn-color2);
  }

  .jp-RenderedMermaid:not(.jp-mod-warning) pre {
    display: none;
  }

  .jp-RenderedMermaid-Summary > pre {
    display: inline-block;
    white-space: normal;
  }
</style>
<!-- End of mermaid configuration -->
{%- endmacro %}