Move css and js to appropriate files
Having the CSS and JS in the html template produces pages larger than necessary, as each page need to contain all the js/css. Separating them in appropriate files allow the browser to just download them once and use them for all the pages. This is even more effective with an aggressive cache policy for the js and css, something that can be done without fear thanks to the implemented cache-busting. Also, having then in separate files allows us to use Hugo pipelines for minimizing the code.hugo
Claudio Yanes
3 years ago
parent
5234fae080
commit
1313bd9779
@ -0,0 +1,221 @@
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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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const parseIdsFromLinks = (links) => [...(new Set(links.flatMap(link => ([link.source, link.target]))))]
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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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} 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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}
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}
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} else {
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parseIdsFromLinks(links).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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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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}
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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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if (d.id.startsWith(path)) {
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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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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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d.fy = d.y;
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}
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function dragged(event,d) {
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d.fx = event.x;
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d.fy = event.y;
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}
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function dragended(event,d) {
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if (!event.active) simulation.alphaTarget(0);
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d.fx = null;
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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 height = 250
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const width = document.getElementById("graph-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))
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.force("center", d3.forceCenter());
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const svg = d3.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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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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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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}
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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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.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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// svg groups
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const graphNode = svg.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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// 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", (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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.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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})
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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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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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// 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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// 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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// show text for self
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d3.select(this.parentNode)
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.select("text")
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.raise()
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.transition()
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.duration(200)
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.style("opacity", 1)
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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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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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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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d3.select(this.parentNode)
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.select("text")
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.transition()
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.duration(200)
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.style("opacity", 0)
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})
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.call(drag(simulation));
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// draw labels
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const labels = graphNode.append("text")
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.attr("dx", 12)
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.attr("dy", ".35em")
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.text((d) => content[decodeURI(d.id).replace(/\s+/g, '-')]?.title || "Untitled")
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.style("opacity", 0)
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.style("pointer-events", "none")
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.call(drag(simulation));
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// set panning
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if (enableZoom) {
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svg.call(d3.zoom()
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.extent([[0, 0], [width, height]])
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.scaleExtent([0.25, 4])
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.on("zoom", ({transform}) => {
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link.attr("transform", transform);
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node.attr("transform", transform);
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labels.attr("transform", transform);
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}));
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}
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// progress the simulation
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simulation.on("tick", () => {
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link
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.attr("x1", d => d.source.x)
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.attr("y1", d => d.source.y)
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.attr("x2", d => d.target.x)
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.attr("y2", d => d.target.y)
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node
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.attr("cx", d => d.x)
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.attr("cy", d => d.y)
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labels
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.attr("x", d => d.x)
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.attr("y", d => d.y)
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});
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}
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@ -0,0 +1,34 @@
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function htmlToElement(html) {
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const template = document.createElement('template')
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html = html.trim()
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template.innerHTML = html
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return template.content.firstChild
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}
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function initPopover(base) {
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const baseUrl = base.replace(window.location.origin, "") // is this useless?
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document.addEventListener("DOMContentLoaded", () => {
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fetchData().then(({content}) => {
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const links = [...document.getElementsByClassName("internal-link")]
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links.forEach(li => {
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const linkDest = content[li.dataset.src.replace(baseUrl, "")]
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// const linkDest = content[li.dataset.src]
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if (linkDest) {
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const popoverElement = `<div class="popover">
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<h3>${linkDest.title}</h3>
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<p>${removeMarkdown(linkDest.content).split(" ", 20).join(" ")}...</p>
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<p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
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</div>`
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const el = htmlToElement(popoverElement)
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li.appendChild(el)
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li.addEventListener("mouseover", () => {
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el.classList.add("visible")
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})
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li.addEventListener("mouseout", () => {
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el.classList.remove("visible")
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})
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}
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})
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})
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})
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}
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@ -0,0 +1,247 @@
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// code from https://github.com/danestves/markdown-to-text
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const removeMarkdown = (
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markdown,
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options = {
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listUnicodeChar: false,
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stripListLeaders: true,
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gfm: true,
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useImgAltText: false,
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preserveLinks: false,
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}
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) => {
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let output = markdown || "";
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output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, "");
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try {
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if (options.stripListLeaders) {
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if (options.listUnicodeChar)
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output = output.replace(
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/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm,
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options.listUnicodeChar + " $1"
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);
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else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, "$1");
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}
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if (options.gfm) {
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output = output
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.replace(/\n={2,}/g, "\n")
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.replace(/~{3}.*\n/g, "")
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.replace(/~~/g, "")
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.replace(/`{3}.*\n/g, "");
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}
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if (options.preserveLinks) {
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output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, "$1 ($2)")
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}
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output = output
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.replace(/<[^>]*>/g, "")
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.replace(/^[=\-]{2,}\s*$/g, "")
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.replace(/\[\^.+?\](\: .*?$)?/g, "")
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.replace(/\s{0,2}\[.*?\]: .*?$/g, "")
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.replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? "$1" : "")
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.replace(/\[(.*?)\][\[\(].*?[\]\)]/g, "$1")
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.replace(/^\s{0,3}>\s?/g, "")
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.replace(/(^|\n)\s{0,3}>\s?/g, "\n\n")
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.replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, "")
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.replace(
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/^(\n)?\s{0,}#{1,6}\s+| {0,}(\n)?\s{0,}#{0,} {0,}(\n)?\s{0,}$/gm,
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"$1$2$3"
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)
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.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
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.replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2")
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.replace(/(`{3,})(.*?)\1/gm, "$2")
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.replace(/`(.+?)`/g, "$1")
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.replace(/\n{2,}/g, "\n\n");
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} catch (e) {
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console.error(e);
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return markdown;
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}
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return output;
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};
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// -----
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(async function() {
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const contentIndex = new FlexSearch.Document({
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cache: true,
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charset: "latin:extra",
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optimize: true,
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worker: true,
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document: {
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index: [{
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field: "content",
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tokenize: "strict",
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context: {
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resolution: 5,
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depth: 3,
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bidirectional: true
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},
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suggest: true,
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}, {
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field: "title",
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tokenize: "forward",
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}]
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}
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})
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const { content } = await fetchData()
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for (const [key, value] of Object.entries(content)) {
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contentIndex.add({
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id: key,
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title: value.title,
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content: removeMarkdown(value.content),
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})
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}
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const highlight = (content, term) => {
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const highlightWindow = 20
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const tokenizedTerm = term.split(/\s+/).filter(t => t !== "")
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const splitText = content.split(/\s+/).filter(t => t !== "")
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const includesCheck = (token) => tokenizedTerm.some(term => token.toLowerCase().startsWith(term.toLowerCase()))
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const occurrencesIndices = splitText
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.map(includesCheck)
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// calculate best index
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let bestSum = 0
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let bestIndex = 0
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for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
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const window = occurrencesIndices.slice(i, i + highlightWindow)
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const windowSum = window.reduce((total, cur) => total + cur, 0)
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if (windowSum >= bestSum) {
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bestSum = windowSum
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bestIndex = i
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}
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}
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const startIndex = Math.max(bestIndex - highlightWindow, 0)
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const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
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const mappedText = splitText
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.slice(startIndex, endIndex)
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.map(token => {
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if (includesCheck(token)) {
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||||||
|
return `<span class="search-highlight">${token}</span>`
|
||||||
|
}
|
||||||
|
return token
|
||||||
|
})
|
||||||
|
.join(" ")
|
||||||
|
.replaceAll('</span> <span class="search-highlight">', " ")
|
||||||
|
return `${startIndex === 0 ? "" : "..."}${mappedText}${endIndex === splitText.length ? "" : "..."}`
|
||||||
|
}
|
||||||
|
|
||||||
|
const resultToHTML = ({url, title, content, term}) => {
|
||||||
|
const text = removeMarkdown(content)
|
||||||
|
const resultTitle = highlight(title, term)
|
||||||
|
const resultText = highlight(text, term)
|
||||||
|
return `<button class="result-card" id="${url}">
|
||||||
|
<h3>${resultTitle}</h3>
|
||||||
|
<p>${resultText}</p>
|
||||||
|
</button>`
|
||||||
|
}
|
||||||
|
|
||||||
|
const redir = (id, term) => {
|
||||||
|
window.location.href = BASE_URL + `${id}#:~:text=${encodeURIComponent(term)}`
|
||||||
|
}
|
||||||
|
|
||||||
|
const formatForDisplay = id => ({
|
||||||
|
id,
|
||||||
|
url: id,
|
||||||
|
title: content[id].title,
|
||||||
|
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)
|
||||||
|
}
|
||||||
|
})
|
||||||
|
source.addEventListener('input', (e) => {
|
||||||
|
term = e.target.value
|
||||||
|
contentIndex.search(term, [
|
||||||
|
{
|
||||||
|
field: "content",
|
||||||
|
limit: 10,
|
||||||
|
suggest: true,
|
||||||
|
},
|
||||||
|
{
|
||||||
|
field: "title",
|
||||||
|
limit: 5,
|
||||||
|
}
|
||||||
|
]).then(searchResults => {
|
||||||
|
const getByField = field => {
|
||||||
|
const results = searchResults.filter(x => x.field === field)
|
||||||
|
if (results.length === 0) {
|
||||||
|
return []
|
||||||
|
} else {
|
||||||
|
return [...results[0].result]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
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>`
|
||||||
|
} 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)
|
||||||
|
})
|
||||||
|
}
|
||||||
|
})
|
||||||
|
})
|
||||||
|
|
||||||
|
|
||||||
|
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()
|
||||||
|
} else {
|
||||||
|
searchContainer.style.display = "none"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
function closeSearch() {
|
||||||
|
searchContainer.style.display = "none"
|
||||||
|
}
|
||||||
|
|
||||||
|
document.addEventListener('keydown', (event) => {
|
||||||
|
if (event.key === "/") {
|
||||||
|
event.preventDefault()
|
||||||
|
openSearch()
|
||||||
|
}
|
||||||
|
if (event.key === "Escape") {
|
||||||
|
event.preventDefault()
|
||||||
|
closeSearch()
|
||||||
|
}
|
||||||
|
})
|
||||||
|
|
||||||
|
const searchButton = document.getElementById("search-icon")
|
||||||
|
searchButton.addEventListener('click', (evt) => {
|
||||||
|
openSearch()
|
||||||
|
})
|
||||||
|
searchButton.addEventListener('keydown', (evt) => {
|
||||||
|
openSearch()
|
||||||
|
})
|
||||||
|
searchContainer.addEventListener('click', (evt) => {
|
||||||
|
closeSearch()
|
||||||
|
})
|
||||||
|
document.getElementById("search-space").addEventListener('click', (evt) => {
|
||||||
|
evt.stopPropagation()
|
||||||
|
})
|
||||||
|
})()
|
||||||
|
|
||||||
@ -1,35 +1,7 @@
|
|||||||
{{if $.Site.Data.config.enableLinkPreview}}
|
{{if $.Site.Data.config.enableLinkPreview}}
|
||||||
|
{{ $js := resources.Get "js/popover.js" | resources.Fingerprint "md5" | resources.Minify }}
|
||||||
|
<script src="{{ $js.Permalink }}"></script>
|
||||||
<script>
|
<script>
|
||||||
function htmlToElement(html) {
|
initPopover({{strings.TrimRight "/" .Site.BaseURL }})
|
||||||
const template = document.createElement('template')
|
|
||||||
html = html.trim()
|
|
||||||
template.innerHTML = html
|
|
||||||
return template.content.firstChild
|
|
||||||
}
|
|
||||||
const baseUrl = {{strings.TrimRight "/" .Site.BaseURL }}.replace(window.location.origin, "")
|
|
||||||
document.addEventListener("DOMContentLoaded", () => {
|
|
||||||
fetchData().then(({content}) => {
|
|
||||||
const links = [...document.getElementsByClassName("internal-link")]
|
|
||||||
links.forEach(li => {
|
|
||||||
const linkDest = content[li.dataset.src.replace(baseUrl, "")]
|
|
||||||
// const linkDest = content[li.dataset.src]
|
|
||||||
if (linkDest) {
|
|
||||||
const popoverElement = `<div class="popover">
|
|
||||||
<h3>${linkDest.title}</h3>
|
|
||||||
<p>${removeMarkdown(linkDest.content).split(" ", 20).join(" ")}...</p>
|
|
||||||
<p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
|
|
||||||
</div>`
|
|
||||||
const el = htmlToElement(popoverElement)
|
|
||||||
li.appendChild(el)
|
|
||||||
li.addEventListener("mouseover", () => {
|
|
||||||
el.classList.add("visible")
|
|
||||||
})
|
|
||||||
li.addEventListener("mouseout", () => {
|
|
||||||
el.classList.remove("visible")
|
|
||||||
})
|
|
||||||
}
|
|
||||||
})
|
|
||||||
})
|
|
||||||
})
|
|
||||||
</script>
|
</script>
|
||||||
{{end}}
|
{{end}}
|
||||||
Loading…
Reference in New Issue