perf(graph): canvas implementation (#1328)

* perf(graph): initial canvas layout

include nodes and links drawn

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* fix(graph): update persistent for nodeGfx

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* chore(graph): add canvas element to avoid rerendering glitch

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* fix(spa): only render graph once in global

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* fix(graph): change svg as button

render global graph on toggle

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* fix(graph): fix anchor position and zIndex behaviour

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* chore(graph): increase linkDistance

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

* refactor

* fmt

* pkg

---------

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>
Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

package-lock.json

@@ -1,17 +1,18 @@
 {
   "name": "@jackyzha0/quartz",
-  "version": "4.3.0",
+  "version": "4.3.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@jackyzha0/quartz",
-      "version": "4.3.0",
+      "version": "4.3.1",
       "license": "MIT",
       "dependencies": {
         "@clack/prompts": "^0.7.0",
         "@floating-ui/dom": "^1.6.10",
         "@napi-rs/simple-git": "0.1.17",
+        "@tweenjs/tween.js": "^25.0.0",
         "async-mutex": "^0.5.0",
         "chalk": "^5.3.0",
         "chokidar": "^3.6.0",
@@ -32,6 +33,7 @@
         "mdast-util-to-hast": "^13.2.0",
         "mdast-util-to-string": "^4.0.0",
         "micromorph": "^0.4.5",
+        "pixi.js": "^8.3.3",
         "preact": "^10.23.2",
         "preact-render-to-string": "^6.5.9",
         "pretty-bytes": "^6.1.1",
@@ -874,6 +876,12 @@
         "node": ">= 8"
       }
     },
+    "node_modules/@pixi/colord": {
+      "version": "2.9.6",
+      "resolved": "https://registry.npmjs.org/@pixi/colord/-/colord-2.9.6.tgz",
+      "integrity": "sha512-nezytU2pw587fQstUu1AsJZDVEynjskwOL+kibwcdxsMBFqPsFFNA7xl0ii/gXuDi6M0xj3mfRJj8pBSc2jCfA==",
+      "license": "MIT"
+    },
     "node_modules/@pkgjs/parseargs": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
@@ -902,6 +910,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/@tweenjs/tween.js": {
+      "version": "25.0.0",
+      "resolved": "https://registry.npmjs.org/@tweenjs/tween.js/-/tween.js-25.0.0.tgz",
+      "integrity": "sha512-XKLA6syeBUaPzx4j3qwMqzzq+V4uo72BnlbOjmuljLrRqdsd3qnzvZZoxvMHZ23ndsRS4aufU6JOZYpCbU6T1A==",
+      "license": "MIT"
+    },
     "node_modules/@types/cli-spinner": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/@types/cli-spinner/-/cli-spinner-0.2.3.tgz",
@@ -911,6 +925,12 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/css-font-loading-module": {
+      "version": "0.0.12",
+      "resolved": "https://registry.npmjs.org/@types/css-font-loading-module/-/css-font-loading-module-0.0.12.tgz",
+      "integrity": "sha512-x2tZZYkSxXqWvTDgveSynfjq/T2HyiZHXb00j/+gy19yp70PHCizM48XFdjBCWH7eHBD0R5i/pw9yMBP/BH5uA==",
+      "license": "MIT"
+    },
     "node_modules/@types/d3": {
       "version": "7.4.3",
       "resolved": "https://registry.npmjs.org/@types/d3/-/d3-7.4.3.tgz",
@@ -1172,6 +1192,12 @@
         "@types/ms": "*"
       }
     },
+    "node_modules/@types/earcut": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@types/earcut/-/earcut-2.1.4.tgz",
+      "integrity": "sha512-qp3m9PPz4gULB9MhjGID7wpo3gJ4bTGXm7ltNDsmOvsPduTeHp8wSW9YckBj3mljeOh4F0m2z/0JKAALRKbmLQ==",
+      "license": "MIT"
+    },
     "node_modules/@types/estree": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/@types/estree/-/estree-1.0.5.tgz",
@@ -1294,6 +1320,21 @@
       "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.2.0.tgz",
       "integrity": "sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ=="
     },
+    "node_modules/@webgpu/types": {
+      "version": "0.1.44",
+      "resolved": "https://registry.npmjs.org/@webgpu/types/-/types-0.1.44.tgz",
+      "integrity": "sha512-JDpYJN5E/asw84LTYhKyvPpxGnD+bAKPtpW9Ilurf7cZpxaTbxkQcGwOd7jgB9BPBrTYQ+32ufo4HiuomTjHNQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@xmldom/xmldom": {
+      "version": "0.8.10",
+      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.8.10.tgz",
+      "integrity": "sha512-2WALfTl4xo2SkGCYRt6rDTFfk9R1czmBvUQy12gK2KuRKIpWEhcbbzy8EZXtz/jkRqHX8bFEc6FC1HjX4TUWYw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/agent-base": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-7.1.0.tgz",
@@ -2194,6 +2235,12 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/earcut": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/earcut/-/earcut-2.2.4.tgz",
+      "integrity": "sha512-/pjZsA1b4RPHbeWZQn66SWS8nZZWLQQ23oE3Eam7aroEFGEvwKAsJfZ9ytiEMycfzXWpca4FA9QIOehf7PocBQ==",
+      "license": "ISC"
+    },
     "node_modules/eastasianwidth": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/eastasianwidth/-/eastasianwidth-0.2.0.tgz",
@@ -2312,6 +2359,12 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/eventemitter3": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.1.tgz",
+      "integrity": "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA==",
+      "license": "MIT"
+    },
     "node_modules/extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
@@ -3176,6 +3229,12 @@
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="
     },
+    "node_modules/ismobilejs": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/ismobilejs/-/ismobilejs-1.1.1.tgz",
+      "integrity": "sha512-VaFW53yt8QO61k2WJui0dHf4SlL8lxBofUuUmwBo0ljPk0Drz2TiuDW4jo3wDcv41qy/SxrJ+VAzJ/qYqsmzRw==",
+      "license": "MIT"
+    },
     "node_modules/jackspeak": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-4.0.1.tgz",
@@ -4698,6 +4757,12 @@
       "resolved": "https://registry.npmjs.org/parse-numeric-range/-/parse-numeric-range-1.3.0.tgz",
       "integrity": "sha512-twN+njEipszzlMJd4ONUYgSfZPDxgHhT9Ahed5uTigpQn90FggW4SA/AIPq/6a149fTbE9qBEcSwE3FAEp6wQQ=="
     },
+    "node_modules/parse-svg-path": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/parse-svg-path/-/parse-svg-path-0.1.2.tgz",
+      "integrity": "sha512-JyPSBnkTJ0AI8GGJLfMXvKq42cj5c006fnLz6fXy6zfoVjJizi8BNTpu8on8ziI1cKy9d9DGNuY17Ce7wuejpQ==",
+      "license": "MIT"
+    },
     "node_modules/parse5": {
       "version": "7.1.2",
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-7.1.2.tgz",
@@ -4774,6 +4839,23 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/pixi.js": {
+      "version": "8.3.3",
+      "resolved": "https://registry.npmjs.org/pixi.js/-/pixi.js-8.3.3.tgz",
+      "integrity": "sha512-dpucBKAqEm0K51MQKlXvyIJ40bcxniP82uz4ZPEQejGtPp0P+vueuG5DyArHCkC48mkVE2FEDvyYvBa45/JlQg==",
+      "license": "MIT",
+      "dependencies": {
+        "@pixi/colord": "^2.9.6",
+        "@types/css-font-loading-module": "^0.0.12",
+        "@types/earcut": "^2.1.4",
+        "@webgpu/types": "^0.1.40",
+        "@xmldom/xmldom": "^0.8.10",
+        "earcut": "^2.2.4",
+        "eventemitter3": "^5.0.1",
+        "ismobilejs": "^1.1.1",
+        "parse-svg-path": "^0.1.2"
+      }
+    },
     "node_modules/preact": {
       "version": "10.23.2",
       "resolved": "https://registry.npmjs.org/preact/-/preact-10.23.2.tgz",

package.json

@@ -2,7 +2,7 @@
   "name": "@jackyzha0/quartz",
   "description": "🌱 publish your digital garden and notes as a website",
   "private": true,
-  "version": "4.3.0",
+  "version": "4.3.1",
   "type": "module",
   "author": "jackyzha0 <j.zhao2k19@gmail.com>",
   "license": "MIT",
@@ -38,6 +38,7 @@
     "@clack/prompts": "^0.7.0",
     "@floating-ui/dom": "^1.6.10",
     "@napi-rs/simple-git": "0.1.17",
+    "@tweenjs/tween.js": "^25.0.0",
     "async-mutex": "^0.5.0",
     "chalk": "^5.3.0",
     "chokidar": "^3.6.0",
@@ -58,6 +59,7 @@
     "mdast-util-to-hast": "^13.2.0",
     "mdast-util-to-string": "^4.0.0",
     "micromorph": "^0.4.5",
+    "pixi.js": "^8.3.3",
     "preact": "^10.23.2",
     "preact-render-to-string": "^6.5.9",
     "pretty-bytes": "^6.1.1",

quartz/components/Graph.tsx

@@ -65,9 +65,9 @@ export default ((opts?: GraphOptions) => {
         <h3>{i18n(cfg.locale).components.graph.title}</h3>
         <div class="graph-outer">
           <div id="graph-container" data-cfg={JSON.stringify(localGraph)}></div>
+          <button id="global-graph-icon" aria-label="Global Graph">
             <svg
               version="1.1"
-            id="global-graph-icon"
               xmlns="http://www.w3.org/2000/svg"
               xmlnsXlink="http://www.w3.org/1999/xlink"
               x="0px"
@@ -90,6 +90,7 @@ export default ((opts?: GraphOptions) => {
                 s-2-0.897-2-2s0.897-2,2-2S47,39.897,47,41z M49,10c-2.206,0-4-1.794-4-4s1.794-4,4-4s4,1.794,4,4S51.206,10,49,10z"
               />
             </svg>
+          </button>
         </div>
         <div id="global-graph-outer">
           <div id="global-graph-container" data-cfg={JSON.stringify(globalGraph)}></div>

quartz/components/scripts/graph.inline.ts

@@ -1,19 +1,56 @@
 import type { ContentDetails } from "../../plugins/emitters/contentIndex"
-import * as d3 from "d3"
+import {
+  SimulationNodeDatum,
+  SimulationLinkDatum,
+  Simulation,
+  forceSimulation,
+  forceManyBody,
+  forceCenter,
+  forceLink,
+  forceCollide,
+  zoomIdentity,
+  select,
+  drag,
+  zoom,
+} from "d3"
+import { Text, Graphics, Application, Container, Circle } from "pixi.js"
+import { Group as TweenGroup, Tween as Tweened } from "@tweenjs/tween.js"
 import { registerEscapeHandler, removeAllChildren } from "./util"
 import { FullSlug, SimpleSlug, getFullSlug, resolveRelative, simplifySlug } from "../../util/path"
+import { D3Config } from "../Graph"
+
+type GraphicsInfo = {
+  color: string
+  gfx: Graphics
+  alpha: number
+  active: boolean
+}
 
 type NodeData = {
   id: SimpleSlug
   text: string
   tags: string[]
-} & d3.SimulationNodeDatum
+} & SimulationNodeDatum
 
-type LinkData = {
+type SimpleLinkData = {
   source: SimpleSlug
   target: SimpleSlug
 }
 
+type LinkData = {
+  source: NodeData
+  target: NodeData
+} & SimulationLinkDatum<NodeData>
+
+type LinkRenderData = GraphicsInfo & {
+  simulationData: LinkData
+}
+
+type NodeRenderData = GraphicsInfo & {
+  simulationData: NodeData
+  label: Text
+}
+
 const localStorageKey = "graph-visited"
 function getVisited(): Set<SimpleSlug> {
   return new Set(JSON.parse(localStorage.getItem(localStorageKey) ?? "[]"))
@@ -25,6 +62,11 @@ function addToVisited(slug: SimpleSlug) {
   localStorage.setItem(localStorageKey, JSON.stringify([...visited]))
 }
 
+type TweenNode = {
+  update: (time: number) => void
+  stop: () => void
+}
+
 async function renderGraph(container: string, fullSlug: FullSlug) {
   const slug = simplifySlug(fullSlug)
   const visited = getVisited()
@@ -45,7 +87,7 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
     removeTags,
     showTags,
     focusOnHover,
-  } = JSON.parse(graph.dataset["cfg"]!)
+  } = JSON.parse(graph.dataset["cfg"]!) as D3Config
 
   const data: Map<SimpleSlug, ContentDetails> = new Map(
     Object.entries<ContentDetails>(await fetchData).map(([k, v]) => [
@@ -53,10 +95,11 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
       v,
     ]),
   )
-  const links: LinkData[] = []
+  const links: SimpleLinkData[] = []
   const tags: SimpleSlug[] = []
-
   const validLinks = new Set(data.keys())
+
+  const tweens = new Map<string, TweenNode>()
   for (const [source, details] of data.entries()) {
     const outgoing = details.links ?? []
 
@@ -100,263 +143,406 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
     if (showTags) tags.forEach((tag) => neighbourhood.add(tag))
   }
 
-  const graphData: { nodes: NodeData[]; links: LinkData[] } = {
+  const nodes = [...neighbourhood].map((url) => {
-    nodes: [...neighbourhood].map((url) => {
     const text = url.startsWith("tags/") ? "#" + url.substring(5) : (data.get(url)?.title ?? url)
     return {
       id: url,
-        text: text,
+      text,
       tags: data.get(url)?.tags ?? [],
     }
-    }),
+  })
-    links: links.filter((l) => neighbourhood.has(l.source) && neighbourhood.has(l.target)),
+  const graphData: { nodes: NodeData[]; links: LinkData[] } = {
+    nodes,
+    links: links
+      .filter((l) => neighbourhood.has(l.source) && neighbourhood.has(l.target))
+      .map((l) => ({
+        source: nodes.find((n) => n.id === l.source)!,
+        target: nodes.find((n) => n.id === l.target)!,
+      })),
   }
 
-  const simulation: d3.Simulation<NodeData, LinkData> = d3
+  // we virtualize the simulation and use pixi to actually render it
-    .forceSimulation(graphData.nodes)
+  const simulation: Simulation<NodeData, LinkData> = forceSimulation<NodeData>(graphData.nodes)
-    .force("charge", d3.forceManyBody().strength(-100 * repelForce))
+    .force("charge", forceManyBody().strength(-100 * repelForce))
-    .force(
+    .force("center", forceCenter().strength(centerForce))
-      "link",
+    .force("link", forceLink(graphData.links).distance(linkDistance))
-      d3
+    .force("collide", forceCollide<NodeData>((n) => nodeRadius(n)).iterations(3))
-        .forceLink(graphData.links)
-        .id((d: any) => d.id)
-        .distance(linkDistance),
-    )
-    .force("center", d3.forceCenter().strength(centerForce))
 
-  const height = Math.max(graph.offsetHeight, 250)
   const width = graph.offsetWidth
+  const height = Math.max(graph.offsetHeight, 250)
 
-  const svg = d3
+  // precompute style prop strings as pixi doesn't support css variables
-    .select<HTMLElement, NodeData>("#" + container)
+  const cssVars = [
-    .append("svg")
+    "--secondary",
-    .attr("width", width)
+    "--tertiary",
-    .attr("height", height)
+    "--gray",
-    .attr("viewBox", [-width / 2 / scale, -height / 2 / scale, width / scale, height / scale])
+    "--light",
-
+    "--lightgray",
-  // draw links between nodes
+    "--dark",
-  const link = svg
+    "--darkgray",
-    .append("g")
+    "--bodyFont",
-    .selectAll("line")
+  ] as const
-    .data(graphData.links)
+  const computedStyleMap = cssVars.reduce(
-    .join("line")
+    (acc, key) => {
-    .attr("class", "link")
+      acc[key] = getComputedStyle(document.documentElement).getPropertyValue(key)
-    .attr("stroke", "var(--lightgray)")
+      return acc
-    .attr("stroke-width", 1)
+    },
-
+    {} as Record<(typeof cssVars)[number], string>,
-  // svg groups
+  )
-  const graphNode = svg.append("g").selectAll("g").data(graphData.nodes).enter().append("g")
 
   // calculate color
   const color = (d: NodeData) => {
     const isCurrent = d.id === slug
     if (isCurrent) {
-      return "var(--secondary)"
+      return computedStyleMap["--secondary"]
     } else if (visited.has(d.id) || d.id.startsWith("tags/")) {
-      return "var(--tertiary)"
+      return computedStyleMap["--tertiary"]
     } else {
-      return "var(--gray)"
+      return computedStyleMap["--gray"]
     }
   }
 
-  const drag = (simulation: d3.Simulation<NodeData, LinkData>) => {
-    function dragstarted(event: any, d: NodeData) {
-      if (!event.active) simulation.alphaTarget(1).restart()
-      d.fx = d.x
-      d.fy = d.y
-    }
-
-    function dragged(event: any, d: NodeData) {
-      d.fx = event.x
-      d.fy = event.y
-    }
-
-    function dragended(event: any, d: NodeData) {
-      if (!event.active) simulation.alphaTarget(0)
-      d.fx = null
-      d.fy = null
-    }
-
-    const noop = () => {}
-    return d3
-      .drag<Element, NodeData>()
-      .on("start", enableDrag ? dragstarted : noop)
-      .on("drag", enableDrag ? dragged : noop)
-      .on("end", enableDrag ? dragended : noop)
-  }
-
   function nodeRadius(d: NodeData) {
-    const numLinks = links.filter((l: any) => l.source.id === d.id || l.target.id === d.id).length
+    const numLinks = graphData.links.filter(
+      (l) => l.source.id === d.id || l.target.id === d.id,
+    ).length
     return 2 + Math.sqrt(numLinks)
   }
 
-  let connectedNodes: SimpleSlug[] = []
+  let hoveredNodeId: string | null = null
+  let hoveredNeighbours: Set<string> = new Set()
+  const linkRenderData: LinkRenderData[] = []
+  const nodeRenderData: NodeRenderData[] = []
+  function updateHoverInfo(newHoveredId: string | null) {
+    hoveredNodeId = newHoveredId
 
-  // draw individual nodes
+    if (newHoveredId === null) {
-  const node = graphNode
+      hoveredNeighbours = new Set()
-    .append("circle")
+      for (const n of nodeRenderData) {
-    .attr("class", "node")
+        n.active = false
-    .attr("id", (d) => d.id)
+      }
-    .attr("r", nodeRadius)
+
-    .attr("fill", color)
+      for (const l of linkRenderData) {
-    .style("cursor", "pointer")
+        l.active = false
-    .on("click", (_, d) => {
+      }
-      const targ = resolveRelative(fullSlug, d.id)
+    } else {
+      hoveredNeighbours = new Set()
+      for (const l of linkRenderData) {
+        const linkData = l.simulationData
+        if (linkData.source.id === newHoveredId || linkData.target.id === newHoveredId) {
+          hoveredNeighbours.add(linkData.source.id)
+          hoveredNeighbours.add(linkData.target.id)
+        }
+
+        l.active = linkData.source.id === newHoveredId || linkData.target.id === newHoveredId
+      }
+
+      for (const n of nodeRenderData) {
+        n.active = hoveredNeighbours.has(n.simulationData.id)
+      }
+    }
+  }
+
+  let dragStartTime = 0
+  let dragging = false
+
+  function renderLinks() {
+    tweens.get("link")?.stop()
+    const tweenGroup = new TweenGroup()
+
+    for (const l of linkRenderData) {
+      let alpha = 1
+
+      // if we are hovering over a node, we want to highlight the immediate neighbours
+      // with full alpha and the rest with default alpha
+      if (hoveredNodeId) {
+        alpha = l.active ? 1 : 0.2
+      }
+
+      l.color = l.active ? computedStyleMap["--gray"] : computedStyleMap["--lightgray"]
+      tweenGroup.add(new Tweened<LinkRenderData>(l).to({ alpha }, 200))
+    }
+
+    tweenGroup.getAll().forEach((tw) => tw.start())
+    tweens.set("link", {
+      update: tweenGroup.update.bind(tweenGroup),
+      stop() {
+        tweenGroup.getAll().forEach((tw) => tw.stop())
+      },
+    })
+  }
+
+  function renderLabels() {
+    tweens.get("label")?.stop()
+    const tweenGroup = new TweenGroup()
+
+    const defaultScale = 1 / scale
+    const activeScale = defaultScale * 1.1
+    for (const n of nodeRenderData) {
+      const nodeId = n.simulationData.id
+
+      if (hoveredNodeId === nodeId) {
+        tweenGroup.add(
+          new Tweened<Text>(n.label).to(
+            {
+              alpha: 1,
+              scale: { x: activeScale, y: activeScale },
+            },
+            100,
+          ),
+        )
+      } else {
+        tweenGroup.add(
+          new Tweened<Text>(n.label).to(
+            {
+              alpha: n.label.alpha,
+              scale: { x: defaultScale, y: defaultScale },
+            },
+            100,
+          ),
+        )
+      }
+    }
+
+    tweenGroup.getAll().forEach((tw) => tw.start())
+    tweens.set("label", {
+      update: tweenGroup.update.bind(tweenGroup),
+      stop() {
+        tweenGroup.getAll().forEach((tw) => tw.stop())
+      },
+    })
+  }
+
+  function renderNodes() {
+    tweens.get("hover")?.stop()
+
+    const tweenGroup = new TweenGroup()
+    for (const n of nodeRenderData) {
+      let alpha = 1
+
+      // if we are hovering over a node, we want to highlight the immediate neighbours
+      if (hoveredNodeId !== null && focusOnHover) {
+        alpha = n.active ? 1 : 0.2
+      }
+
+      tweenGroup.add(new Tweened<Graphics>(n.gfx, tweenGroup).to({ alpha }, 200))
+    }
+
+    tweenGroup.getAll().forEach((tw) => tw.start())
+    tweens.set("hover", {
+      update: tweenGroup.update.bind(tweenGroup),
+      stop() {
+        tweenGroup.getAll().forEach((tw) => tw.stop())
+      },
+    })
+  }
+
+  function renderPixiFromD3() {
+    renderNodes()
+    renderLinks()
+    renderLabels()
+  }
+
+  tweens.forEach((tween) => tween.stop())
+  tweens.clear()
+
+  const app = new Application()
+  await app.init({
+    width,
+    height,
+    antialias: true,
+    autoStart: false,
+    autoDensity: true,
+    backgroundAlpha: 0,
+    preference: "webgpu",
+    resolution: window.devicePixelRatio,
+    eventMode: "static",
+  })
+  graph.appendChild(app.canvas)
+
+  const stage = app.stage
+  stage.interactive = false
+
+  const labelsContainer = new Container<Text>({ zIndex: 3 })
+  const nodesContainer = new Container<Graphics>({ zIndex: 2 })
+  const linkContainer = new Container<Graphics>({ zIndex: 1 })
+  stage.addChild(nodesContainer, labelsContainer, linkContainer)
+
+  for (const n of graphData.nodes) {
+    const nodeId = n.id
+
+    const label = new Text({
+      interactive: false,
+      eventMode: "none",
+      text: n.text,
+      alpha: 0,
+      anchor: { x: 0.5, y: 1.2 },
+      style: {
+        fontSize: fontSize * 15,
+        fill: computedStyleMap["--dark"],
+        fontFamily: computedStyleMap["--bodyFont"],
+      },
+      resolution: window.devicePixelRatio * 4,
+    })
+    label.scale.set(1 / scale)
+
+    let oldLabelOpacity = 0
+    const isTagNode = nodeId.startsWith("tags/")
+    const gfx = new Graphics({
+      interactive: true,
+      label: nodeId,
+      eventMode: "static",
+      hitArea: new Circle(0, 0, nodeRadius(n)),
+      cursor: "pointer",
+    })
+      .circle(0, 0, nodeRadius(n))
+      .fill({ color: isTagNode ? computedStyleMap["--light"] : color(n) })
+      .stroke({ width: isTagNode ? 2 : 0, color: color(n) })
+      .on("pointerover", (e) => {
+        updateHoverInfo(e.target.label)
+        oldLabelOpacity = label.alpha
+        if (!dragging) {
+          renderPixiFromD3()
+        }
+      })
+      .on("pointerleave", () => {
+        updateHoverInfo(null)
+        label.alpha = oldLabelOpacity
+        if (!dragging) {
+          renderPixiFromD3()
+        }
+      })
+
+    nodesContainer.addChild(gfx)
+    labelsContainer.addChild(label)
+
+    const nodeRenderDatum: NodeRenderData = {
+      simulationData: n,
+      gfx,
+      label,
+      color: color(n),
+      alpha: 1,
+      active: false,
+    }
+
+    nodeRenderData.push(nodeRenderDatum)
+  }
+
+  for (const l of graphData.links) {
+    const gfx = new Graphics({ interactive: false, eventMode: "none" })
+    linkContainer.addChild(gfx)
+
+    const linkRenderDatum: LinkRenderData = {
+      simulationData: l,
+      gfx,
+      color: computedStyleMap["--lightgray"],
+      alpha: 1,
+      active: false,
+    }
+
+    linkRenderData.push(linkRenderDatum)
+  }
+
+  let currentTransform = zoomIdentity
+  if (enableDrag) {
+    select<HTMLCanvasElement, NodeData | undefined>(app.canvas).call(
+      drag<HTMLCanvasElement, NodeData | undefined>()
+        .container(() => app.canvas)
+        .subject(() => graphData.nodes.find((n) => n.id === hoveredNodeId))
+        .on("start", function dragstarted(event) {
+          if (!event.active) simulation.alphaTarget(1).restart()
+          event.subject.fx = event.subject.x
+          event.subject.fy = event.subject.y
+          event.subject.__initialDragPos = {
+            x: event.subject.x,
+            y: event.subject.y,
+            fx: event.subject.fx,
+            fy: event.subject.fy,
+          }
+          dragStartTime = Date.now()
+          dragging = true
+        })
+        .on("drag", function dragged(event) {
+          const initPos = event.subject.__initialDragPos
+          event.subject.fx = initPos.x + (event.x - initPos.x) / currentTransform.k
+          event.subject.fy = initPos.y + (event.y - initPos.y) / currentTransform.k
+        })
+        .on("end", function dragended(event) {
+          if (!event.active) simulation.alphaTarget(0)
+          event.subject.fx = null
+          event.subject.fy = null
+          dragging = false
+
+          // if the time between mousedown and mouseup is short, we consider it a click
+          if (Date.now() - dragStartTime < 500) {
+            const node = graphData.nodes.find((n) => n.id === event.subject.id) as NodeData
+            const targ = resolveRelative(fullSlug, node.id)
+            window.spaNavigate(new URL(targ, window.location.toString()))
+          }
+        }),
+    )
+  } else {
+    for (const node of nodeRenderData) {
+      node.gfx.on("click", () => {
+        const targ = resolveRelative(fullSlug, node.simulationData.id)
         window.spaNavigate(new URL(targ, window.location.toString()))
       })
-    .on("mouseover", function (_, d) {
+    }
-      const currentId = d.id
-      const linkNodes = d3
-        .selectAll(".link")
-        .filter((d: any) => d.source.id === currentId || d.target.id === currentId)
-
-      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)
-
-      const bigFont = fontSize * 1.5
-
-      // show text for self
-      const parent = this.parentNode as HTMLElement
-      d3.select<HTMLElement, NodeData>(parent)
-        .raise()
-        .select("text")
-        .transition()
-        .duration(200)
-        .attr("opacityOld", d3.select(parent).select("text").style("opacity"))
-        .style("opacity", 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")
-        .filter((d: any) => d.source.id === currentId || d.target.id === currentId)
-
-      linkNodes.transition().duration(200).attr("stroke", "var(--lightgray)")
-
-      const parent = this.parentNode as HTMLElement
-      d3.select<HTMLElement, NodeData>(parent)
-        .select("text")
-        .transition()
-        .duration(200)
-        .style("opacity", d3.select(parent).select("text").attr("opacityOld"))
-        .style("font-size", fontSize + "em")
-    })
-    // @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")
-    .attr("dx", 0)
-    .attr("dy", (d) => -nodeRadius(d) + "px")
-    .attr("text-anchor", "middle")
-    .text((d) => d.text)
-    .style("opacity", (opacityScale - 1) / 3.75)
-    .style("pointer-events", "none")
-    .style("font-size", fontSize + "em")
-    .raise()
-    // @ts-ignore
-    .call(drag(simulation))
-
-  // set panning
   if (enableZoom) {
-    svg.call(
+    select<HTMLCanvasElement, NodeData>(app.canvas).call(
-      d3
+      zoom<HTMLCanvasElement, NodeData>()
-        .zoom<SVGSVGElement, NodeData>()
         .extent([
           [0, 0],
           [width, height],
         ])
         .scaleExtent([0.25, 4])
         .on("zoom", ({ transform }) => {
-          link.attr("transform", transform)
+          currentTransform = transform
-          node.attr("transform", transform)
+          stage.scale.set(transform.k, transform.k)
+          stage.position.set(transform.x, transform.y)
+
+          // zoom adjusts opacity of labels too
           const scale = transform.k * opacityScale
-          const scaledOpacity = Math.max((scale - 1) / 3.75, 0)
+          let scaleOpacity = Math.max((scale - 1) / 3.75, 0)
-          labels.attr("transform", transform).style("opacity", scaledOpacity)
+          const activeNodes = nodeRenderData.filter((n) => n.active).flatMap((n) => n.label)
+
+          for (const label of labelsContainer.children) {
+            if (!activeNodes.includes(label)) {
+              label.alpha = scaleOpacity
+            }
+          }
         }),
     )
   }
 
-  // progress the simulation
+  function animate(time: number) {
-  simulation.on("tick", () => {
+    for (const n of nodeRenderData) {
-    link
+      const { x, y } = n.simulationData
-      .attr("x1", (d: any) => d.source.x)
+      if (!x || !y) continue
-      .attr("y1", (d: any) => d.source.y)
+      n.gfx.position.set(x + width / 2, y + height / 2)
-      .attr("x2", (d: any) => d.target.x)
+      if (n.label) {
-      .attr("y2", (d: any) => d.target.y)
+        n.label.position.set(x + width / 2, y + height / 2)
-    node.attr("cx", (d: any) => d.x).attr("cy", (d: any) => d.y)
+      }
-    labels.attr("x", (d: any) => d.x).attr("y", (d: any) => d.y)
-  })
     }
 
-function renderGlobalGraph() {
+    for (const l of linkRenderData) {
-  const slug = getFullSlug(window)
+      const linkData = l.simulationData
-  const container = document.getElementById("global-graph-outer")
+      l.gfx.clear()
-  const sidebar = container?.closest(".sidebar") as HTMLElement
+      l.gfx.moveTo(linkData.source.x! + width / 2, linkData.source.y! + height / 2)
-  container?.classList.add("active")
+      l.gfx
-  if (sidebar) {
+        .lineTo(linkData.target.x! + width / 2, linkData.target.y! + height / 2)
-    sidebar.style.zIndex = "1"
+        .stroke({ alpha: l.alpha, width: 1, color: l.color })
     }
 
-  renderGraph("global-graph-container", slug)
+    tweens.forEach((t) => t.update(time))
-
+    app.renderer.render(stage)
-  function hideGlobalGraph() {
+    requestAnimationFrame(animate)
-    container?.classList.remove("active")
-    const graph = document.getElementById("global-graph-container")
-    if (sidebar) {
-      sidebar.style.zIndex = "unset"
-    }
-    if (!graph) return
-    removeAllChildren(graph)
   }
 
-  registerEscapeHandler(container, hideGlobalGraph)
+  const graphAnimationFrameHandle = requestAnimationFrame(animate)
+  window.addCleanup(() => cancelAnimationFrame(graphAnimationFrameHandle))
 }
 
 document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
@@ -364,7 +550,39 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
   addToVisited(simplifySlug(slug))
   await renderGraph("graph-container", slug)
 
+  const container = document.getElementById("global-graph-outer")
+  const sidebar = container?.closest(".sidebar") as HTMLElement
+
+  function renderGlobalGraph() {
+    const slug = getFullSlug(window)
+    container?.classList.add("active")
+    if (sidebar) {
+      sidebar.style.zIndex = "1"
+    }
+
+    renderGraph("global-graph-container", slug)
+    registerEscapeHandler(container, hideGlobalGraph)
+  }
+
+  function hideGlobalGraph() {
+    container?.classList.remove("active")
+    if (sidebar) {
+      sidebar.style.zIndex = "unset"
+    }
+  }
+
+  async function shortcutHandler(e: HTMLElementEventMap["keydown"]) {
+    if (e.key === "g" && (e.ctrlKey || e.metaKey) && !e.shiftKey) {
+      e.preventDefault()
+      const globalGraphOpen = container?.classList.contains("active")
+      globalGraphOpen ? hideGlobalGraph() : renderGlobalGraph()
+    }
+  }
+
   const containerIcon = document.getElementById("global-graph-icon")
   containerIcon?.addEventListener("click", renderGlobalGraph)
   window.addCleanup(() => containerIcon?.removeEventListener("click", renderGlobalGraph))
+
+  document.addEventListener("keydown", shortcutHandler)
+  window.addCleanup(() => document.removeEventListener("keydown", shortcutHandler))
 })

quartz/components/styles/graph.scss

@@ -16,10 +16,13 @@
     overflow: hidden;
 
     & > #global-graph-icon {
+      cursor: pointer;
+      background: none;
+      border: none;
       color: var(--dark);
       opacity: 0.5;
-      width: 18px;
+      width: 24px;
-      height: 18px;
+      height: 24px;
       position: absolute;
       padding: 0.2rem;
       margin: 0.3rem;
@@ -59,8 +62,8 @@
       top: 50%;
       left: 50%;
       transform: translate(-50%, -50%);
-      height: 60vh;
+      height: 80vh;
-      width: 50vw;
+      width: 80vw;
 
       @media all and (max-width: $fullPageWidth) {
         width: 90%;