add base structure

layouts/partials/backlinks.html

@@ -0,0 +1,9 @@
+<ol class="backlinks">
+    {{$curPage := strings.TrimRight "/" .Page.RelPermalink }}
+    {{$inbound := index $.Site.Data.linkIndex.index.backlinks $curPage}}
+    {{- range $inbound -}}
+    <li>
+        <a href="{{index . "source"}}">{{index . "source"}}</a>
+    </li>
+    {{- end -}}
+</ol>

layouts/partials/darkmode.html

@@ -0,0 +1,16 @@
+<div class='darkmode'>
+    <label id="toggle-label-light" for='darkmode-toggle' tabindex="-1">
+        <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="dayIcon" x="0px" y="0px" viewBox="0 0 35 35" style="enable-background:new 0 0 35 35;" xml:space="preserve">
+            <title>Light Mode</title>
+            <path d="M6,17.5C6,16.672,5.328,16,4.5,16h-3C0.672,16,0,16.672,0,17.5    S0.672,19,1.5,19h3C5.328,19,6,18.328,6,17.5z M7.5,26c-0.414,0-0.789,0.168-1.061,0.439l-2,2C4.168,28.711,4,29.086,4,29.5    C4,30.328,4.671,31,5.5,31c0.414,0,0.789-0.168,1.06-0.44l2-2C8.832,28.289,9,27.914,9,27.5C9,26.672,8.329,26,7.5,26z M17.5,6    C18.329,6,19,5.328,19,4.5v-3C19,0.672,18.329,0,17.5,0S16,0.672,16,1.5v3C16,5.328,16.671,6,17.5,6z M27.5,9    c0.414,0,0.789-0.168,1.06-0.439l2-2C30.832,6.289,31,5.914,31,5.5C31,4.672,30.329,4,29.5,4c-0.414,0-0.789,0.168-1.061,0.44    l-2,2C26.168,6.711,26,7.086,26,7.5C26,8.328,26.671,9,27.5,9z M6.439,8.561C6.711,8.832,7.086,9,7.5,9C8.328,9,9,8.328,9,7.5    c0-0.414-0.168-0.789-0.439-1.061l-2-2C6.289,4.168,5.914,4,5.5,4C4.672,4,4,4.672,4,5.5c0,0.414,0.168,0.789,0.439,1.06    L6.439,8.561z M33.5,16h-3c-0.828,0-1.5,0.672-1.5,1.5s0.672,1.5,1.5,1.5h3c0.828,0,1.5-0.672,1.5-1.5S34.328,16,33.5,16z     M28.561,26.439C28.289,26.168,27.914,26,27.5,26c-0.828,0-1.5,0.672-1.5,1.5c0,0.414,0.168,0.789,0.439,1.06l2,2    C28.711,30.832,29.086,31,29.5,31c0.828,0,1.5-0.672,1.5-1.5c0-0.414-0.168-0.789-0.439-1.061L28.561,26.439z M17.5,29    c-0.829,0-1.5,0.672-1.5,1.5v3c0,0.828,0.671,1.5,1.5,1.5s1.5-0.672,1.5-1.5v-3C19,29.672,18.329,29,17.5,29z M17.5,7    C11.71,7,7,11.71,7,17.5S11.71,28,17.5,28S28,23.29,28,17.5S23.29,7,17.5,7z M17.5,25c-4.136,0-7.5-3.364-7.5-7.5    c0-4.136,3.364-7.5,7.5-7.5c4.136,0,7.5,3.364,7.5,7.5C25,21.636,21.636,25,17.5,25z" />
+        </svg>
+    </label>
+    <input class='toggle' id='darkmode-toggle' type='checkbox' tabindex="-1">
+    <label class='toggle-button' for='darkmode-toggle'></label>
+    <label id="toggle-label-dark" for='darkmode-toggle' tabindex="-1">
+        <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" id="nightIcon" x="0px" y="0px" viewBox="0 0 100 100" style="enable-background='new 0 0 100 100'" xml:space="preserve">
+            <title>Dark Mode</title>
+            <path d="M96.76,66.458c-0.853-0.852-2.15-1.064-3.23-0.534c-6.063,2.991-12.858,4.571-19.655,4.571  C62.022,70.495,50.88,65.88,42.5,57.5C29.043,44.043,25.658,23.536,34.076,6.47c0.532-1.08,0.318-2.379-0.534-3.23  c-0.851-0.852-2.15-1.064-3.23-0.534c-4.918,2.427-9.375,5.619-13.246,9.491c-9.447,9.447-14.65,22.008-14.65,35.369  c0,13.36,5.203,25.921,14.65,35.368s22.008,14.65,35.368,14.65c13.361,0,25.921-5.203,35.369-14.65  c3.872-3.871,7.064-8.328,9.491-13.246C97.826,68.608,97.611,67.309,96.76,66.458z" />
+        </svg>
+    </label>
+</div>

layouts/partials/footer.html

@@ -0,0 +1,21 @@
+<div>
+    <hr/>
+    {{partial "graph.html" .}}
+    <ul id="sub-nav">
+        <li><a href="/">↳ Take me home</a></li>
+    </ul>
+</div>
+
+<!-- Contact Info -->
+<div id="contact_buttons" class="lt-centre">
+    <footer>
+        <p>made by {{ $.Site.Data.config.name }}, © {{ dateFormat "2006" now }}</p>
+        <a href="https://github.com/jackyzha0/quartz">source</a>
+        {{ if not .IsHome }}
+        <a href="/">home</a>
+        {{end}}
+        {{- range $.Site.Data.links.footer -}}
+        <a href="{{.link}}">{{.link_name}}</a>
+        {{- end -}}
+    </footer>
+</div>

layouts/partials/graph.html

@@ -0,0 +1,218 @@
+<script src="https://cdn.jsdelivr.net/npm/d3@6"></script>
+<div id="graph-container"></div>
+<style>
+    :root {
+        --g-node: {{.Site.Data.graphConfig.base.node}};
+        --g-node-active: {{.Site.Data.graphConfig.base.activeNode}};
+        --g-node-inactive: {{.Site.Data.graphConfig.base.inactiveNode}};
+        --g-link: {{.Site.Data.graphConfig.base.link}};
+        --g-link-active: {{.Site.Data.graphConfig.base.activeLink}};
+    }
+</style>
+<script>
+  const index = {{$.Site.Data.linkIndex.index}}
+  const links = {{$.Site.Data.linkIndex.links}}
+  const curPage = {{ strings.TrimRight "/" .Page.RelPermalink }}
+  const pathColors = {{$.Site.Data.graphConfig.paths}}
+
+  const parseIdsFromLinks = (links) => [...(new Set(links.flatMap(link => ([link.source, link.target]))))]
+
+  const data = {
+    nodes: parseIdsFromLinks(links).map(id => ({id})),
+    links,
+  }
+
+  const color = (d) => {
+    if (d.id === curPage) {
+      return "var(--g-node-active)"
+    }
+
+    for (const pathColor of pathColors) {
+      const path = Object.keys(pathColor)[0]
+      const colour = pathColor[path]
+      if (d.id.startsWith(path)) {
+        return colour
+      }
+    }
+
+    return "var(--g-node)"
+  }
+
+  const drag = simulation => {
+    function dragstarted(event, d) {
+      if (!event.active) simulation.alphaTarget(1).restart();
+      d.fx = d.x;
+      d.fy = d.y;
+    }
+
+    function dragged(event,d) {
+      d.fx = event.x;
+      d.fy = event.y;
+    }
+
+    function dragended(event,d) {
+      if (!event.active) simulation.alphaTarget(0);
+      d.fx = null;
+      d.fy = null;
+    }
+
+    const enableDrag = {{$.Site.Data.graphConfig.enableDrag}}
+    const noop = () => {}
+    return d3.drag()
+      .on("start", enableDrag ? dragstarted : noop)
+      .on("drag", enableDrag ? dragged : noop)
+      .on("end", enableDrag ? dragended : noop);
+  }
+
+  const height = 400
+  const width = document.getElementById("graph-container").offsetWidth
+
+  const simulation = d3.forceSimulation(data.nodes)
+    .force("charge", d3.forceManyBody().strength(-20))
+    .force("link", d3.forceLink(data.links)
+      .id(d => d.id)
+    )
+    .force("center", d3.forceCenter());
+
+  const svg = d3.select('#graph-container')
+    .append('svg')
+    .attr('width', width)
+    .attr('height', height)
+    .attr("viewBox", [-width / 2, -height / 2, width, height]);
+
+  // legend
+  const enableLegend = {{$.Site.Data.graphConfig.enableLegend}}
+  if (enableLegend) {
+    const legend = [
+      {"Current": "var(--g-node-active)"},
+      {"Note": "var(--g-node)"},
+      ...pathColors
+    ]
+    legend.forEach((legendEntry, i) => {
+      const key = Object.keys(legendEntry)[0]
+      const colour = legendEntry[key]
+      svg.append("circle").attr("cx", -width/2 + 20).attr("cy", height/2 - 30 * (i+1)).attr("r", 6).style("fill", colour)
+      svg.append("text").attr("x", -width/2 + 40).attr("y", height/2 - 30 * (i+1)).text(key).style("font-size", "15px").attr("alignment-baseline","middle")
+    })
+  }
+
+  // draw links between nodes
+  const link = svg.append("g")
+    .selectAll("line")
+    .data(data.links)
+    .join("line")
+    .attr("class", "link")
+    .attr("stroke", "var(--g-link)")
+    .attr("stroke-width", 2)
+    .attr("data-source", d => d.source.id)
+    .attr("data-target", d => d.target.id)
+
+  // svg groups
+  const graphNode = svg.append("g")
+    .selectAll("g")
+    .data(data.nodes)
+    .enter().append("g")
+
+  // draw individual nodes
+  const node = graphNode.append("circle")
+    .attr("class", "node")
+    .attr("id", (d) => d.id)
+    .attr("r", (d) => {
+      const numOut = index.links[d.id]?.length || 0
+      const numIn = index.backlinks[d.id]?.length || 0
+      return 3 + (numOut + numIn) / 4
+    })
+    .attr("fill", color)
+    .style("cursor", "pointer")
+    .on("click", (_, d) => {
+      window.location.href = d.id;
+    })
+    .on("mouseover", function (_, d) {
+      d3.selectAll(".node")
+        .transition()
+        .duration(100)
+        .attr("fill", "var(--g-node-inactive)")
+
+      const neighbours = parseIdsFromLinks([...(index.links[d.id] || []), ...(index.backlinks[d.id] || [])])
+      const neighbourNodes = d3.selectAll(".node").filter(d => neighbours.includes(d.id))
+      const currentId = d.id
+      const links = d3.selectAll(".link").filter(d => d.source.id === currentId || d.target.id === currentId)
+
+      // highlight neighbour nodes
+      neighbourNodes
+        .transition()
+        .duration(200)
+        .attr("fill", color)
+
+      // highlight links
+      links
+        .transition()
+        .duration(200)
+        .attr("stroke", "var(--g-link-active)")
+
+      // show text for self
+      d3.select(this.parentNode)
+        .select("text")
+        .raise()
+        .transition()
+        .duration(200)
+        .style("opacity", 1)
+    }).on("mouseleave", function (_,d) {
+      d3.selectAll(".node")
+        .transition()
+        .duration(200)
+        .attr("fill", color)
+
+      const currentId = d.id
+      const links = d3.selectAll(".link").filter(d => d.source.id === currentId || d.target.id === currentId)
+
+      links
+        .transition()
+        .duration(200)
+        .attr("stroke", "var(--g-link)")
+
+      d3.select(this.parentNode)
+        .select("text")
+        .transition()
+        .duration(200)
+        .style("opacity", 0)
+    })
+    .call(drag(simulation));
+
+  // draw labels
+  const labels = graphNode.append("text")
+    .attr("dx", 12)
+    .attr("dy", ".35em")
+    .text((d) => d.id)
+    .style("opacity", 0)
+    .style("pointer-events", "none")
+    .call(drag(simulation));
+
+  // set panning
+  const enableZoom = {{$.Site.Data.graphConfig.enableZoom}}
+  if (enableZoom) {
+    svg.call(d3.zoom()
+      .extent([[0, 0], [width, height]])
+      .scaleExtent([0.25, 4])
+      .on("zoom", ({transform}) => {
+        link.attr("transform", transform);
+        node.attr("transform", transform);
+        labels.attr("transform", transform);
+      }));
+  }
+
+  // progress the simulation
+  simulation.on("tick", () => {
+    link
+      .attr("x1", d => d.source.x)
+      .attr("y1", d => d.source.y)
+      .attr("x2", d => d.target.x)
+      .attr("y2", d => d.target.y);
+    node
+      .attr("cx", d => d.x)
+      .attr("cy", d => d.y);
+    labels
+      .attr("x", d => d.x)
+      .attr("y", d => d.y);
+  });
+</script>

layouts/partials/head.html

@@ -0,0 +1,24 @@
+<head>
+    <link rel="preconnect" href="https://www.googletagmanager.com">
+    <link crossorigin rel="preconnect" href="https://www.google-analytics.com">
+    {{ template "_internal/google_analytics_async.html" . }}
+
+    <!-- Meta tags -->
+    <meta charset="UTF-8">
+    <meta name="description" content="{{$.Site.Data.config.description}}">
+    <title>{{$.Site.Data.config.page_title}}</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <link rel="shortcut icon" type="image/png" href="/icon.png" />
+
+    <!-- CSS Stylesheets and Fonts -->
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&family=Source+Sans+Pro:wght@400;700&family=Fira+Code:wght@400;700&display=swap" rel="stylesheet">
+    {{ $css := slice "darkmode.scss" "syntax.scss"}}
+    {{range $css}}
+    {{$sass := resources.Get . | resources.ToCSS }}
+    {{with $sass | minify}}
+    <style>
+        {{.Content | safeCSS}}
+    </style>
+    {{end}}
+    {{end}}
+</head>