Add router
This commit is contained in:
		@@ -1,51 +1,73 @@
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async function drawGraph(url, baseUrl, pathColors, depth, enableDrag, enableLegend, enableZoom) {
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  const { index, links, content } = await fetchData
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  const curPage = url.replace(baseUrl, "")
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async function drawGraph(
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  url,
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  baseUrl,
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  pathColors,
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  depth,
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  enableDrag,
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  enableLegend,
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  enableZoom
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) {
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  const container = document.getElementById('graph-container');
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  const parseIdsFromLinks = (links) => [...(new Set(links.flatMap(link => ([link.source, link.target]))))]
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  const { index, links, content } = await fetchData;
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  const curPage = url.replace(baseUrl, '');
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  const neighbours = new Set()
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  const wl = [curPage || "/", "__SENTINEL"]
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  const parseIdsFromLinks = (links) => [
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    ...new Set(links.flatMap((link) => [link.source, link.target])),
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  ];
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  // links is mutated by d3
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  // we want to use links later on, so we make a copy and pass
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  // that one to d3
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  const copyLinks = JSON.parse(JSON.stringify(links));
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  const neighbours = new Set();
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  const wl = [curPage || '/', '__SENTINEL'];
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  if (depth >= 0) {
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    while (depth >= 0 && wl.length > 0) {
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      // compute neighbours
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      const cur = wl.shift()
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      if (cur === "__SENTINEL") {
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        depth--
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        wl.push("__SENTINEL")
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      const cur = wl.shift();
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      if (cur === '__SENTINEL') {
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        depth--;
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        wl.push('__SENTINEL');
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      } else {
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        neighbours.add(cur)
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        const outgoing = index.links[cur] || []
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        const incoming = index.backlinks[cur] || []
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        wl.push(...outgoing.map(l => l.target), ...incoming.map(l => l.source))
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        neighbours.add(cur);
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        const outgoing = index.links[cur] || [];
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        const incoming = index.backlinks[cur] || [];
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        wl.push(
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          ...outgoing.map((l) => l.target),
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          ...incoming.map((l) => l.source)
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        );
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      }
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    }
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  } else {
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    parseIdsFromLinks(links).forEach(id => neighbours.add(id))
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    parseIdsFromLinks(copyLinks).forEach((id) => neighbours.add(id));
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  }
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  const data = {
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    nodes: [...neighbours].map(id => ({ id })),
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    links: links.filter(l => neighbours.has(l.source) && neighbours.has(l.target)),
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  }
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    nodes: [...neighbours].map((id) => ({ id })),
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    links: copyLinks.filter(
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      (l) => neighbours.has(l.source) && neighbours.has(l.target)
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    ),
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  };
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  const color = (d) => {
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    if (d.id === curPage || (d.id === "/" && curPage === "")) {
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      return "var(--g-node-active)"
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    if (d.id === curPage || (d.id === '/' && curPage === '')) {
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      return 'var(--g-node-active)';
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    }
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    for (const pathColor of pathColors) {
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      const path = Object.keys(pathColor)[0]
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      const colour = pathColor[path]
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      const path = Object.keys(pathColor)[0];
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      const colour = pathColor[path];
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      if (d.id.startsWith(path)) {
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        return colour
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        return colour;
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      }
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    }
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    return "var(--g-node)"
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  }
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    return 'var(--g-node)';
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  };
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  const drag = simulation => {
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  const drag = (simulation) => {
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    function dragstarted(event, d) {
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      if (!event.active) simulation.alphaTarget(1).restart();
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      d.fx = d.x;
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@@ -63,169 +85,197 @@ async function drawGraph(url, baseUrl, pathColors, depth, enableDrag, enableLege
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      d.fy = null;
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    }
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    const noop = () => { }
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    return d3.drag()
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      .on("start", enableDrag ? dragstarted : noop)
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      .on("drag", enableDrag ? dragged : noop)
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      .on("end", enableDrag ? dragended : noop);
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  }
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    const noop = () => {};
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    return d3
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      .drag()
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      .on('start', enableDrag ? dragstarted : noop)
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      .on('drag', enableDrag ? dragged : noop)
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      .on('end', enableDrag ? dragended : noop);
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  };
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  const height = Math.max(document.getElementById("graph-container").offsetHeight, 250)
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  const width = document.getElementById("graph-container").offsetWidth
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  const height = Math.max(container.offsetHeight, 250);
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  const width = container.offsetWidth;
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  const simulation = d3.forceSimulation(data.nodes)
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    .force("charge", d3.forceManyBody().strength(-30))
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    .force("link", d3.forceLink(data.links).id(d => d.id).distance(40))
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    .force("center", d3.forceCenter());
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  const simulation = d3
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    .forceSimulation(data.nodes)
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    .force('charge', d3.forceManyBody().strength(-30))
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    .force(
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      'link',
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      d3
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        .forceLink(data.links)
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        .id((d) => d.id)
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        .distance(40)
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    )
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    .force('center', d3.forceCenter());
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  const svg = d3.select('#graph-container')
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  const svg = d3
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    .select('#graph-container')
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    .append('svg')
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    .attr('width', width)
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    .attr('height', height)
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    .attr("viewBox", [-width / 2, -height / 2, width, height]);
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    .attr('viewBox', [-width / 2, -height / 2, width, height]);
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  if (enableLegend) {
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    const legend = [
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      { "Current": "var(--g-node-active)" },
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      { "Note": "var(--g-node)" },
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      ...pathColors
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    ]
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      { Current: 'var(--g-node-active)' },
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      { Note: 'var(--g-node)' },
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      ...pathColors,
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    ];
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    legend.forEach((legendEntry, i) => {
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      const key = Object.keys(legendEntry)[0]
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      const colour = legendEntry[key]
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      svg.append("circle").attr("cx", -width / 2 + 20).attr("cy", height / 2 - 30 * (i + 1)).attr("r", 6).style("fill", colour)
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      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")
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    })
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      const key = Object.keys(legendEntry)[0];
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      const colour = legendEntry[key];
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      svg
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        .append('circle')
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        .attr('cx', -width / 2 + 20)
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        .attr('cy', height / 2 - 30 * (i + 1))
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        .attr('r', 6)
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        .style('fill', colour);
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      svg
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        .append('text')
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        .attr('x', -width / 2 + 40)
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        .attr('y', height / 2 - 30 * (i + 1))
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        .text(key)
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        .style('font-size', '15px')
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        .attr('alignment-baseline', 'middle');
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    });
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  }
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  // draw links between nodes
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  const link = svg.append("g")
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    .selectAll("line")
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  const link = svg
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    .append('g')
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    .selectAll('line')
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    .data(data.links)
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    .join("line")
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    .attr("class", "link")
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    .attr("stroke", "var(--g-link)")
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    .attr("stroke-width", 2)
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    .attr("data-source", d => d.source.id)
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    .attr("data-target", d => d.target.id)
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    .join('line')
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    .attr('class', 'link')
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    .attr('stroke', 'var(--g-link)')
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    .attr('stroke-width', 2)
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    .attr('data-source', (d) => d.source.id)
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    .attr('data-target', (d) => d.target.id);
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  // svg groups
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  const graphNode = svg.append("g")
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    .selectAll("g")
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  const graphNode = svg
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    .append('g')
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    .selectAll('g')
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    .data(data.nodes)
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    .enter().append("g")
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    .enter()
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    .append('g');
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  // calculate radius
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  const nodeRadius = (d) => {
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    const numOut = index.links[d.id]?.length || 0
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    const numIn = index.backlinks[d.id]?.length || 0
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    return 3 + (numOut + numIn) / 4
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  }
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    const numOut = index.links[d.id]?.length || 0;
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    const numIn = index.backlinks[d.id]?.length || 0;
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    return 3 + (numOut + numIn) / 4;
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  };
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  // draw individual nodes
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  const node = graphNode.append("circle")
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    .attr("class", "node")
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    .attr("id", (d) => d.id)
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    .attr("r", nodeRadius)
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    .attr("fill", color)
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    .style("cursor", "pointer")
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    .on("click", (_, d) => {
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      window.location.href = `${baseUrl}/${decodeURI(d.id).replace(/\s+/g, '-')}/`
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  const node = graphNode
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    .append('circle')
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    .attr('class', 'node')
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    .attr('id', (d) => d.id)
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    .attr('r', nodeRadius)
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    .attr('fill', color)
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    .style('cursor', 'pointer')
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    .on('click', (_, d) => {
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      window.navigate(
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        new URL(`${baseUrl}${decodeURI(d.id).replace(/\s+/g, '-')}/`),
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        '.singlePage'
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      );
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    })
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    .on("mouseover", function(_, d) {
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      d3.selectAll(".node")
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    .on('mouseover', function (_, d) {
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      d3.selectAll('.node')
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        .transition()
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        .duration(100)
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        .attr("fill", "var(--g-node-inactive)")
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        .attr('fill', 'var(--g-node-inactive)');
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      const neighbours = parseIdsFromLinks([...(index.links[d.id] || []), ...(index.backlinks[d.id] || [])])
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      const neighbourNodes = d3.selectAll(".node").filter(d => neighbours.includes(d.id))
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      const currentId = d.id
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      const linkNodes = d3.selectAll(".link").filter(d => d.source.id === currentId || d.target.id === currentId)
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      const neighbours = parseIdsFromLinks([
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        ...(index.links[d.id] || []),
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        ...(index.backlinks[d.id] || []),
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      ]);
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      const neighbourNodes = d3
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        .selectAll('.node')
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        .filter((d) => neighbours.includes(d.id));
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      const currentId = d.id;
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      const linkNodes = d3
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        .selectAll('.link')
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        .filter((d) => d.source.id === currentId || d.target.id === currentId);
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      // highlight neighbour nodes
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      neighbourNodes
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        .transition()
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        .duration(200)
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        .attr("fill", color)
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      neighbourNodes.transition().duration(200).attr('fill', color);
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      // highlight links
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      linkNodes
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        .transition()
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		||||
        .duration(200)
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        .attr("stroke", "var(--g-link-active)")
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		||||
        .attr('stroke', 'var(--g-link-active)');
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		||||
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		||||
      // show text for self
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      d3.select(this.parentNode)
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        .raise()
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        .select("text")
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        .select('text')
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		||||
        .transition()
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		||||
        .duration(200)
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		||||
        .style("opacity", 1)
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		||||
        .raise()
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		||||
    }).on("mouseleave", function(_, d) {
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		||||
      d3.selectAll(".node")
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		||||
        .transition()
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		||||
        .duration(200)
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		||||
        .attr("fill", color)
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		||||
        .style('opacity', 1);
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		||||
    })
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		||||
    .on('mouseleave', function (_, d) {
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		||||
      d3.selectAll('.node').transition().duration(200).attr('fill', color);
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		||||
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		||||
      const currentId = d.id
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		||||
      const linkNodes = d3.selectAll(".link").filter(d => d.source.id === currentId || d.target.id === currentId)
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		||||
      const currentId = d.id;
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      const linkNodes = d3
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		||||
        .selectAll('.link')
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		||||
        .filter((d) => d.source.id === currentId || d.target.id === currentId);
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		||||
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		||||
      linkNodes
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        .transition()
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		||||
        .duration(200)
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		||||
        .attr("stroke", "var(--g-link)")
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		||||
      linkNodes.transition().duration(200).attr('stroke', 'var(--g-link)');
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		||||
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		||||
      d3.select(this.parentNode)
 | 
			
		||||
        .select("text")
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		||||
        .select('text')
 | 
			
		||||
        .transition()
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		||||
        .duration(200)
 | 
			
		||||
        .style("opacity", 0)
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		||||
        .style('opacity', 0);
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		||||
    })
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		||||
    .call(drag(simulation));
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		||||
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		||||
  // draw labels
 | 
			
		||||
  const labels = graphNode.append("text")
 | 
			
		||||
    .attr("dx", 0)
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		||||
    .attr("dy", d => nodeRadius(d) + 8 + "px")
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		||||
    .attr("text-anchor", "middle")
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		||||
    .text((d) => content[d.id]?.title || d.id.replace("-", " "))
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		||||
    .style("opacity", 0)
 | 
			
		||||
    .style("pointer-events", "none")
 | 
			
		||||
    .style("font-size", "0.4em")
 | 
			
		||||
  const labels = graphNode
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		||||
    .append('text')
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		||||
    .attr('dx', 0)
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		||||
    .attr('dy', (d) => nodeRadius(d) + 8 + 'px')
 | 
			
		||||
    .attr('text-anchor', 'middle')
 | 
			
		||||
    .text((d) => content[d.id]?.title || d.id.replace('-', ' '))
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		||||
    .style('opacity', 0)
 | 
			
		||||
    .style('pointer-events', 'none')
 | 
			
		||||
    .style('font-size', '0.4em')
 | 
			
		||||
    .raise()
 | 
			
		||||
    .call(drag(simulation));
 | 
			
		||||
 | 
			
		||||
  // set panning
 | 
			
		||||
 | 
			
		||||
  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);
 | 
			
		||||
        const scale = transform.k
 | 
			
		||||
        const scaledOpacity = Math.max((scale - 1) / 3.75, 0)
 | 
			
		||||
        labels
 | 
			
		||||
          .attr("transform", transform)
 | 
			
		||||
          .style("opacity", scaledOpacity)
 | 
			
		||||
      }));
 | 
			
		||||
    svg.call(
 | 
			
		||||
      d3
 | 
			
		||||
        .zoom()
 | 
			
		||||
        .extent([
 | 
			
		||||
          [0, 0],
 | 
			
		||||
          [width, height],
 | 
			
		||||
        ])
 | 
			
		||||
        .scaleExtent([0.25, 4])
 | 
			
		||||
        .on('zoom', ({ transform }) => {
 | 
			
		||||
          link.attr('transform', transform);
 | 
			
		||||
          node.attr('transform', transform);
 | 
			
		||||
          const scale = transform.k;
 | 
			
		||||
          const scaledOpacity = Math.max((scale - 1) / 3.75, 0);
 | 
			
		||||
          labels.attr('transform', transform).style('opacity', scaledOpacity);
 | 
			
		||||
        })
 | 
			
		||||
    );
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  // progress the simulation
 | 
			
		||||
  simulation.on("tick", () => {
 | 
			
		||||
  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)
 | 
			
		||||
      .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);
 | 
			
		||||
  });
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
@@ -9,47 +9,47 @@ const removeMarkdown = (
 | 
			
		||||
    preserveLinks: false,
 | 
			
		||||
  }
 | 
			
		||||
) => {
 | 
			
		||||
  let output = markdown || "";
 | 
			
		||||
  output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, "");
 | 
			
		||||
  let output = markdown || '';
 | 
			
		||||
  output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, '');
 | 
			
		||||
 | 
			
		||||
  try {
 | 
			
		||||
    if (options.stripListLeaders) {
 | 
			
		||||
      if (options.listUnicodeChar)
 | 
			
		||||
        output = output.replace(
 | 
			
		||||
          /^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm,
 | 
			
		||||
          options.listUnicodeChar + " $1"
 | 
			
		||||
          options.listUnicodeChar + ' $1'
 | 
			
		||||
        );
 | 
			
		||||
      else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, "$1");
 | 
			
		||||
      else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, '$1');
 | 
			
		||||
    }
 | 
			
		||||
    if (options.gfm) {
 | 
			
		||||
      output = output
 | 
			
		||||
        .replace(/\n={2,}/g, "\n")
 | 
			
		||||
        .replace(/~{3}.*\n/g, "")
 | 
			
		||||
        .replace(/~~/g, "")
 | 
			
		||||
        .replace(/`{3}.*\n/g, "");
 | 
			
		||||
        .replace(/\n={2,}/g, '\n')
 | 
			
		||||
        .replace(/~{3}.*\n/g, '')
 | 
			
		||||
        .replace(/~~/g, '')
 | 
			
		||||
        .replace(/`{3}.*\n/g, '');
 | 
			
		||||
    }
 | 
			
		||||
    if (options.preserveLinks) {
 | 
			
		||||
      output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, "$1 ($2)")
 | 
			
		||||
      output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, '$1 ($2)');
 | 
			
		||||
    }
 | 
			
		||||
    output = output
 | 
			
		||||
      .replace(/<[^>]*>/g, "")
 | 
			
		||||
      .replace(/^[=\-]{2,}\s*$/g, "")
 | 
			
		||||
      .replace(/\[\^.+?\](\: .*?$)?/g, "")
 | 
			
		||||
      .replace(/\s{0,2}\[.*?\]: .*?$/g, "")
 | 
			
		||||
      .replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? "$1" : "")
 | 
			
		||||
      .replace(/\[(.*?)\][\[\(].*?[\]\)]/g, "$1")
 | 
			
		||||
      .replace(/^\s{0,3}>\s?/g, "")
 | 
			
		||||
      .replace(/(^|\n)\s{0,3}>\s?/g, "\n\n")
 | 
			
		||||
      .replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, "")
 | 
			
		||||
      .replace(/<[^>]*>/g, '')
 | 
			
		||||
      .replace(/^[=\-]{2,}\s*$/g, '')
 | 
			
		||||
      .replace(/\[\^.+?\](\: .*?$)?/g, '')
 | 
			
		||||
      .replace(/\s{0,2}\[.*?\]: .*?$/g, '')
 | 
			
		||||
      .replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? '$1' : '')
 | 
			
		||||
      .replace(/\[(.*?)\][\[\(].*?[\]\)]/g, '$1')
 | 
			
		||||
      .replace(/^\s{0,3}>\s?/g, '')
 | 
			
		||||
      .replace(/(^|\n)\s{0,3}>\s?/g, '\n\n')
 | 
			
		||||
      .replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, '')
 | 
			
		||||
      .replace(
 | 
			
		||||
        /^(\n)?\s{0,}#{1,6}\s+| {0,}(\n)?\s{0,}#{0,} {0,}(\n)?\s{0,}$/gm,
 | 
			
		||||
        "$1$2$3"
 | 
			
		||||
        '$1$2$3'
 | 
			
		||||
      )
 | 
			
		||||
      .replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
 | 
			
		||||
      .replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
 | 
			
		||||
      .replace(/(`{3,})(.*?)\1/gm, "$2")
 | 
			
		||||
      .replace(/`(.+?)`/g, "$1")
 | 
			
		||||
      .replace(/\n{2,}/g, "\n\n");
 | 
			
		||||
      .replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, '$2')
 | 
			
		||||
      .replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, '$2')
 | 
			
		||||
      .replace(/(`{3,})(.*?)\1/gm, '$2')
 | 
			
		||||
      .replace(/`(.+?)`/g, '$1')
 | 
			
		||||
      .replace(/\n{2,}/g, '\n\n');
 | 
			
		||||
  } catch (e) {
 | 
			
		||||
    console.error(e);
 | 
			
		||||
    return markdown;
 | 
			
		||||
@@ -58,182 +58,205 @@ const removeMarkdown = (
 | 
			
		||||
};
 | 
			
		||||
// -----
 | 
			
		||||
 | 
			
		||||
(async function() {
 | 
			
		||||
  const encoder = str => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])+/)
 | 
			
		||||
(async function () {
 | 
			
		||||
  const encoder = (str) => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])+/);
 | 
			
		||||
  const contentIndex = new FlexSearch.Document({
 | 
			
		||||
    cache: true,
 | 
			
		||||
    charset: "latin:extra",
 | 
			
		||||
    charset: 'latin:extra',
 | 
			
		||||
    optimize: true,
 | 
			
		||||
    index: [{
 | 
			
		||||
      field: "content",
 | 
			
		||||
      tokenize: "reverse",
 | 
			
		||||
      encode: encoder,
 | 
			
		||||
    }, {
 | 
			
		||||
      field: "title",
 | 
			
		||||
      tokenize: "forward",
 | 
			
		||||
      encode: encoder,
 | 
			
		||||
    }]
 | 
			
		||||
  })
 | 
			
		||||
    index: [
 | 
			
		||||
      {
 | 
			
		||||
        field: 'content',
 | 
			
		||||
        tokenize: 'reverse',
 | 
			
		||||
        encode: encoder,
 | 
			
		||||
      },
 | 
			
		||||
      {
 | 
			
		||||
        field: 'title',
 | 
			
		||||
        tokenize: 'forward',
 | 
			
		||||
        encode: encoder,
 | 
			
		||||
      },
 | 
			
		||||
    ],
 | 
			
		||||
  });
 | 
			
		||||
 | 
			
		||||
  const { content } = await fetchData
 | 
			
		||||
  const { content } = await fetchData;
 | 
			
		||||
  for (const [key, value] of Object.entries(content)) {
 | 
			
		||||
    contentIndex.add({
 | 
			
		||||
      id: key,
 | 
			
		||||
      title: value.title,
 | 
			
		||||
      content: removeMarkdown(value.content),
 | 
			
		||||
    })
 | 
			
		||||
    });
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  const highlight = (content, term) => {
 | 
			
		||||
    const highlightWindow = 20
 | 
			
		||||
    const tokenizedTerm = term.split(/\s+/).filter(t => t !== "")
 | 
			
		||||
    const splitText = content.split(/\s+/).filter(t => t !== "")
 | 
			
		||||
    const includesCheck = (token) => tokenizedTerm.some(term => token.toLowerCase().startsWith(term.toLowerCase()))
 | 
			
		||||
    const highlightWindow = 20;
 | 
			
		||||
    const tokenizedTerm = term.split(/\s+/).filter((t) => t !== '');
 | 
			
		||||
    const splitText = content.split(/\s+/).filter((t) => t !== '');
 | 
			
		||||
    const includesCheck = (token) =>
 | 
			
		||||
      tokenizedTerm.some((term) =>
 | 
			
		||||
        token.toLowerCase().startsWith(term.toLowerCase())
 | 
			
		||||
      );
 | 
			
		||||
 | 
			
		||||
    const occurrencesIndices = splitText
 | 
			
		||||
      .map(includesCheck)
 | 
			
		||||
    const occurrencesIndices = splitText.map(includesCheck);
 | 
			
		||||
 | 
			
		||||
    // calculate best index
 | 
			
		||||
    let bestSum = 0
 | 
			
		||||
    let bestIndex = 0
 | 
			
		||||
    for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
 | 
			
		||||
      const window = occurrencesIndices.slice(i, i + highlightWindow)
 | 
			
		||||
      const windowSum = window.reduce((total, cur) => total + cur, 0)
 | 
			
		||||
    let bestSum = 0;
 | 
			
		||||
    let bestIndex = 0;
 | 
			
		||||
    for (
 | 
			
		||||
      let i = 0;
 | 
			
		||||
      i < Math.max(occurrencesIndices.length - highlightWindow, 0);
 | 
			
		||||
      i++
 | 
			
		||||
    ) {
 | 
			
		||||
      const window = occurrencesIndices.slice(i, i + highlightWindow);
 | 
			
		||||
      const windowSum = window.reduce((total, cur) => total + cur, 0);
 | 
			
		||||
      if (windowSum >= bestSum) {
 | 
			
		||||
        bestSum = windowSum
 | 
			
		||||
        bestIndex = i
 | 
			
		||||
        bestSum = windowSum;
 | 
			
		||||
        bestIndex = i;
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    const startIndex = Math.max(bestIndex - highlightWindow, 0)
 | 
			
		||||
    const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
 | 
			
		||||
    const startIndex = Math.max(bestIndex - highlightWindow, 0);
 | 
			
		||||
    const endIndex = Math.min(
 | 
			
		||||
      startIndex + 2 * highlightWindow,
 | 
			
		||||
      splitText.length
 | 
			
		||||
    );
 | 
			
		||||
    const mappedText = splitText
 | 
			
		||||
      .slice(startIndex, endIndex)
 | 
			
		||||
      .map(token => {
 | 
			
		||||
      .map((token) => {
 | 
			
		||||
        if (includesCheck(token)) {
 | 
			
		||||
          return `<span class="search-highlight">${token}</span>`
 | 
			
		||||
          return `<span class="search-highlight">${token}</span>`;
 | 
			
		||||
        }
 | 
			
		||||
        return token
 | 
			
		||||
        return token;
 | 
			
		||||
      })
 | 
			
		||||
      .join(" ")
 | 
			
		||||
      .replaceAll('</span> <span class="search-highlight">', " ")
 | 
			
		||||
    return `${startIndex === 0 ? "" : "..."}${mappedText}${endIndex === splitText.length ? "" : "..."}`
 | 
			
		||||
  }
 | 
			
		||||
      .join(' ')
 | 
			
		||||
      .replaceAll('</span> <span class="search-highlight">', ' ');
 | 
			
		||||
    return `${startIndex === 0 ? '' : '...'}${mappedText}${
 | 
			
		||||
      endIndex === splitText.length ? '' : '...'
 | 
			
		||||
    }`;
 | 
			
		||||
  };
 | 
			
		||||
 | 
			
		||||
  const resultToHTML = ({ url, title, content, term }) => {
 | 
			
		||||
    const text = removeMarkdown(content)
 | 
			
		||||
    const resultTitle = highlight(title, term)
 | 
			
		||||
    const resultText = highlight(text, term)
 | 
			
		||||
    const text = removeMarkdown(content);
 | 
			
		||||
    const resultTitle = highlight(title, term);
 | 
			
		||||
    const resultText = highlight(text, term);
 | 
			
		||||
    return `<button class="result-card" id="${url}">
 | 
			
		||||
        <h3>${resultTitle}</h3>
 | 
			
		||||
        <p>${resultText}</p>
 | 
			
		||||
    </button>`
 | 
			
		||||
  }
 | 
			
		||||
    </button>`;
 | 
			
		||||
  };
 | 
			
		||||
 | 
			
		||||
  const redir = (id, term) => {
 | 
			
		||||
    window.location.href = `${BASE_URL}${id}#:~:text=${encodeURIComponent(term)}/`
 | 
			
		||||
  }
 | 
			
		||||
    window.navigate(
 | 
			
		||||
      new URL(
 | 
			
		||||
        `${BASE_URL.slice(0, -1)}${id}#:~:text=${encodeURIComponent(term)}/`
 | 
			
		||||
      ),
 | 
			
		||||
      '.singlePage'
 | 
			
		||||
    );
 | 
			
		||||
    closeSearch();
 | 
			
		||||
  };
 | 
			
		||||
 | 
			
		||||
  const formatForDisplay = id => ({
 | 
			
		||||
  const formatForDisplay = (id) => ({
 | 
			
		||||
    id,
 | 
			
		||||
    url: id,
 | 
			
		||||
    title: content[id].title,
 | 
			
		||||
    content: content[id].content
 | 
			
		||||
  })
 | 
			
		||||
    content: content[id].content,
 | 
			
		||||
  });
 | 
			
		||||
 | 
			
		||||
  const source = document.getElementById('search-bar')
 | 
			
		||||
  const results = document.getElementById("results-container")
 | 
			
		||||
  let term
 | 
			
		||||
  source.addEventListener("keyup", (e) => {
 | 
			
		||||
    if (e.key === "Enter") {
 | 
			
		||||
      const anchor = document.getElementsByClassName("result-card")[0]
 | 
			
		||||
      redir(anchor.id, term)
 | 
			
		||||
  const source = document.getElementById('search-bar');
 | 
			
		||||
  const results = document.getElementById('results-container');
 | 
			
		||||
  let term;
 | 
			
		||||
  source.addEventListener('keyup', (e) => {
 | 
			
		||||
    if (e.key === 'Enter') {
 | 
			
		||||
      const anchor = document.getElementsByClassName('result-card')[0];
 | 
			
		||||
      redir(anchor.id, term);
 | 
			
		||||
    }
 | 
			
		||||
  })
 | 
			
		||||
  });
 | 
			
		||||
  source.addEventListener('input', (e) => {
 | 
			
		||||
    term = e.target.value
 | 
			
		||||
    term = e.target.value;
 | 
			
		||||
    const searchResults = contentIndex.search(term, [
 | 
			
		||||
      {
 | 
			
		||||
        field: "content",
 | 
			
		||||
        field: 'content',
 | 
			
		||||
        limit: 10,
 | 
			
		||||
      },
 | 
			
		||||
      {
 | 
			
		||||
        field: "title",
 | 
			
		||||
        field: 'title',
 | 
			
		||||
        limit: 5,
 | 
			
		||||
      }
 | 
			
		||||
    ])
 | 
			
		||||
    const getByField = field => {
 | 
			
		||||
      const results = searchResults.filter(x => x.field === field)
 | 
			
		||||
      },
 | 
			
		||||
    ]);
 | 
			
		||||
    const getByField = (field) => {
 | 
			
		||||
      const results = searchResults.filter((x) => x.field === field);
 | 
			
		||||
      if (results.length === 0) {
 | 
			
		||||
        return []
 | 
			
		||||
        return [];
 | 
			
		||||
      } else {
 | 
			
		||||
        return [...results[0].result]
 | 
			
		||||
        return [...results[0].result];
 | 
			
		||||
      }
 | 
			
		||||
    }
 | 
			
		||||
    const allIds = new Set([...getByField('title'), ...getByField('content')])
 | 
			
		||||
    const finalResults = [...allIds].map(formatForDisplay)
 | 
			
		||||
    };
 | 
			
		||||
    const allIds = new Set([...getByField('title'), ...getByField('content')]);
 | 
			
		||||
    const finalResults = [...allIds].map(formatForDisplay);
 | 
			
		||||
 | 
			
		||||
    // display
 | 
			
		||||
    if (finalResults.length === 0) {
 | 
			
		||||
      results.innerHTML = `<button class="result-card">
 | 
			
		||||
                    <h3>No results.</h3>
 | 
			
		||||
                    <p>Try another search term?</p>
 | 
			
		||||
                </button>`
 | 
			
		||||
                </button>`;
 | 
			
		||||
    } else {
 | 
			
		||||
      results.innerHTML = finalResults
 | 
			
		||||
        .map(result => resultToHTML({
 | 
			
		||||
          ...result,
 | 
			
		||||
          term,
 | 
			
		||||
        }))
 | 
			
		||||
        .join("\n")
 | 
			
		||||
      const anchors = document.getElementsByClassName("result-card");
 | 
			
		||||
      [...anchors].forEach(anchor => {
 | 
			
		||||
        anchor.onclick = () => redir(anchor.id, term)
 | 
			
		||||
      })
 | 
			
		||||
        .map((result) =>
 | 
			
		||||
          resultToHTML({
 | 
			
		||||
            ...result,
 | 
			
		||||
            term,
 | 
			
		||||
          })
 | 
			
		||||
        )
 | 
			
		||||
        .join('\n');
 | 
			
		||||
      const anchors = document.getElementsByClassName('result-card');
 | 
			
		||||
      [...anchors].forEach((anchor) => {
 | 
			
		||||
        anchor.onclick = () => redir(anchor.id, term);
 | 
			
		||||
      });
 | 
			
		||||
    }
 | 
			
		||||
  })
 | 
			
		||||
  });
 | 
			
		||||
 | 
			
		||||
 | 
			
		||||
  const searchContainer = document.getElementById("search-container")
 | 
			
		||||
  const searchContainer = document.getElementById('search-container');
 | 
			
		||||
 | 
			
		||||
  function openSearch() {
 | 
			
		||||
    if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
 | 
			
		||||
      source.value = ""
 | 
			
		||||
      results.innerHTML = ""
 | 
			
		||||
      searchContainer.style.display = "block"
 | 
			
		||||
      source.focus()
 | 
			
		||||
    if (
 | 
			
		||||
      searchContainer.style.display === 'none' ||
 | 
			
		||||
      searchContainer.style.display === ''
 | 
			
		||||
    ) {
 | 
			
		||||
      source.value = '';
 | 
			
		||||
      results.innerHTML = '';
 | 
			
		||||
      searchContainer.style.display = 'block';
 | 
			
		||||
      source.focus();
 | 
			
		||||
    } else {
 | 
			
		||||
      searchContainer.style.display = "none"
 | 
			
		||||
      searchContainer.style.display = 'none';
 | 
			
		||||
    }
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  function closeSearch() {
 | 
			
		||||
    searchContainer.style.display = "none"
 | 
			
		||||
    searchContainer.style.display = 'none';
 | 
			
		||||
  }
 | 
			
		||||
 | 
			
		||||
  document.addEventListener('keydown', (event) => {
 | 
			
		||||
    if (event.key === "k" && (event.ctrlKey || event.metaKey)) {
 | 
			
		||||
      event.preventDefault()
 | 
			
		||||
      openSearch()
 | 
			
		||||
    if (event.key === 'k' && (event.ctrlKey || event.metaKey)) {
 | 
			
		||||
      event.preventDefault();
 | 
			
		||||
      openSearch();
 | 
			
		||||
    }
 | 
			
		||||
    if (event.key === "Escape") {
 | 
			
		||||
      event.preventDefault()
 | 
			
		||||
      closeSearch()
 | 
			
		||||
    if (event.key === 'Escape') {
 | 
			
		||||
      event.preventDefault();
 | 
			
		||||
      closeSearch();
 | 
			
		||||
    }
 | 
			
		||||
  })
 | 
			
		||||
  });
 | 
			
		||||
 | 
			
		||||
  const searchButton = document.getElementById("search-icon")
 | 
			
		||||
  const searchButton = document.getElementById('search-icon');
 | 
			
		||||
  searchButton.addEventListener('click', (evt) => {
 | 
			
		||||
    openSearch()
 | 
			
		||||
  })
 | 
			
		||||
    openSearch();
 | 
			
		||||
  });
 | 
			
		||||
  searchButton.addEventListener('keydown', (evt) => {
 | 
			
		||||
    openSearch()
 | 
			
		||||
  })
 | 
			
		||||
    openSearch();
 | 
			
		||||
  });
 | 
			
		||||
  searchContainer.addEventListener('click', (evt) => {
 | 
			
		||||
    closeSearch()
 | 
			
		||||
  })
 | 
			
		||||
  document.getElementById("search-space").addEventListener('click', (evt) => {
 | 
			
		||||
    evt.stopPropagation()
 | 
			
		||||
  })
 | 
			
		||||
})()
 | 
			
		||||
 | 
			
		||||
    closeSearch();
 | 
			
		||||
  });
 | 
			
		||||
  document.getElementById('search-space').addEventListener('click', (evt) => {
 | 
			
		||||
    evt.stopPropagation();
 | 
			
		||||
  });
 | 
			
		||||
})();
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user