| | |
| | | import type { ContentDetails } from "../../plugins/emitters/contentIndex" |
| | | import type { ContentDetails, ContentIndex } from "../../plugins/emitters/contentIndex" |
| | | import * as d3 from "d3" |
| | | import { registerEscapeHandler, removeAllChildren } from "./util" |
| | | import { FullSlug, SimpleSlug, getFullSlug, resolveRelative, simplifySlug } from "../../util/path" |
| | |
| | | opacityScale, |
| | | removeTags, |
| | | showTags, |
| | | focusOnHover, |
| | | } = JSON.parse(graph.dataset["cfg"]!) |
| | | |
| | | const data = await fetchData |
| | | |
| | | const data: Map<SimpleSlug, ContentDetails> = new Map( |
| | | Object.entries<ContentDetails>(await fetchData).map(([k, v]) => [ |
| | | simplifySlug(k as FullSlug), |
| | | v, |
| | | ]), |
| | | ) |
| | | const links: LinkData[] = [] |
| | | const tags: SimpleSlug[] = [] |
| | | |
| | | const validLinks = new Set(Object.keys(data).map((slug) => simplifySlug(slug as FullSlug))) |
| | | |
| | | for (const [src, details] of Object.entries<ContentDetails>(data)) { |
| | | const source = simplifySlug(src as FullSlug) |
| | | const validLinks = new Set(data.keys()) |
| | | for (const [source, details] of data.entries()) { |
| | | const outgoing = details.links ?? [] |
| | | |
| | | for (const dest of outgoing) { |
| | | if (validLinks.has(dest)) { |
| | | links.push({ source, target: dest }) |
| | | links.push({ source: source, target: dest }) |
| | | } |
| | | } |
| | | |
| | |
| | | tags.push(...localTags.filter((tag) => !tags.includes(tag))) |
| | | |
| | | for (const tag of localTags) { |
| | | links.push({ source, target: tag }) |
| | | links.push({ source: source, target: tag }) |
| | | } |
| | | } |
| | | } |
| | |
| | | } |
| | | } |
| | | } else { |
| | | Object.keys(data).forEach((id) => neighbourhood.add(simplifySlug(id as FullSlug))) |
| | | validLinks.forEach((id) => neighbourhood.add(id)) |
| | | if (showTags) tags.forEach((tag) => neighbourhood.add(tag)) |
| | | } |
| | | |
| | | const graphData: { nodes: NodeData[]; links: LinkData[] } = { |
| | | nodes: [...neighbourhood].map((url) => { |
| | | const text = url.startsWith("tags/") ? "#" + url.substring(5) : data[url]?.title ?? url |
| | | const text = url.startsWith("tags/") ? "#" + url.substring(5) : data.get(url)?.title ?? url |
| | | return { |
| | | id: url, |
| | | text: text, |
| | | tags: data[url]?.tags ?? [], |
| | | tags: data.get(url)?.tags ?? [], |
| | | } |
| | | }), |
| | | links: links.filter((l) => neighbourhood.has(l.source) && neighbourhood.has(l.target)), |
| | |
| | | return 2 + Math.sqrt(numLinks) |
| | | } |
| | | |
| | | let connectedNodes: SimpleSlug[] = [] |
| | | |
| | | // draw individual nodes |
| | | const node = graphNode |
| | | .append("circle") |
| | |
| | | window.spaNavigate(new URL(targ, window.location.toString())) |
| | | }) |
| | | .on("mouseover", function (_, d) { |
| | | const neighbours: SimpleSlug[] = data[fullSlug].links ?? [] |
| | | const neighbourNodes = d3 |
| | | .selectAll<HTMLElement, NodeData>(".node") |
| | | .filter((d) => neighbours.includes(d.id)) |
| | | const currentId = d.id |
| | | const linkNodes = d3 |
| | | .selectAll(".link") |
| | | .filter((d: any) => d.source.id === currentId || d.target.id === currentId) |
| | | |
| | | // highlight neighbour nodes |
| | | neighbourNodes.transition().duration(200).attr("fill", color) |
| | | if (focusOnHover) { |
| | | // fade out non-neighbour nodes |
| | | connectedNodes = linkNodes.data().flatMap((d: any) => [d.source.id, d.target.id]) |
| | | |
| | | d3.selectAll<HTMLElement, NodeData>(".link") |
| | | .transition() |
| | | .duration(200) |
| | | .style("opacity", 0.2) |
| | | d3.selectAll<HTMLElement, NodeData>(".node") |
| | | .filter((d) => !connectedNodes.includes(d.id)) |
| | | .transition() |
| | | .duration(200) |
| | | .style("opacity", 0.2) |
| | | |
| | | d3.selectAll<HTMLElement, NodeData>(".node") |
| | | .filter((d) => !connectedNodes.includes(d.id)) |
| | | .nodes() |
| | | .map((it) => d3.select(it.parentNode as HTMLElement).select("text")) |
| | | .forEach((it) => { |
| | | let opacity = parseFloat(it.style("opacity")) |
| | | it.transition() |
| | | .duration(200) |
| | | .attr("opacityOld", opacity) |
| | | .style("opacity", Math.min(opacity, 0.2)) |
| | | }) |
| | | } |
| | | |
| | | // highlight links |
| | | linkNodes.transition().duration(200).attr("stroke", "var(--gray)").attr("stroke-width", 1) |
| | |
| | | .style("font-size", bigFont + "em") |
| | | }) |
| | | .on("mouseleave", function (_, d) { |
| | | if (focusOnHover) { |
| | | d3.selectAll<HTMLElement, NodeData>(".link").transition().duration(200).style("opacity", 1) |
| | | d3.selectAll<HTMLElement, NodeData>(".node").transition().duration(200).style("opacity", 1) |
| | | |
| | | d3.selectAll<HTMLElement, NodeData>(".node") |
| | | .filter((d) => !connectedNodes.includes(d.id)) |
| | | .nodes() |
| | | .map((it) => d3.select(it.parentNode as HTMLElement).select("text")) |
| | | .forEach((it) => it.transition().duration(200).style("opacity", it.attr("opacityOld"))) |
| | | } |
| | | const currentId = d.id |
| | | const linkNodes = d3 |
| | | .selectAll(".link") |
| | |
| | | // @ts-ignore |
| | | .call(drag(simulation)) |
| | | |
| | | // make tags hollow circles |
| | | node |
| | | .filter((d) => d.id.startsWith("tags/")) |
| | | .attr("stroke", color) |
| | | .attr("stroke-width", 2) |
| | | .attr("fill", "var(--light)") |
| | | |
| | | // draw labels |
| | | const labels = graphNode |
| | | .append("text") |
| | |
| | | registerEscapeHandler(container, hideGlobalGraph) |
| | | } |
| | | |
| | | document.addEventListener("nav", async (e: unknown) => { |
| | | const slug = (e as CustomEventMap["nav"]).detail.url |
| | | addToVisited(slug) |
| | | document.addEventListener("nav", async (e: CustomEventMap["nav"]) => { |
| | | const slug = e.detail.url |
| | | addToVisited(simplifySlug(slug)) |
| | | await renderGraph("graph-container", slug) |
| | | |
| | | const containerIcon = document.getElementById("global-graph-icon") |
| | | containerIcon?.removeEventListener("click", renderGlobalGraph) |
| | | containerIcon?.addEventListener("click", renderGlobalGraph) |
| | | window.addCleanup(() => containerIcon?.removeEventListener("click", renderGlobalGraph)) |
| | | }) |