From e0ebee5aa9b3646de722f139f1d8d15591df538e Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sun, 02 Jul 2023 20:08:29 +0000
Subject: [PATCH] various polish

---
 quartz/components/scripts/graph.inline.ts |   44 +++++++++++++++++++++++++++++++-------------
 1 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/quartz/components/scripts/graph.inline.ts b/quartz/components/scripts/graph.inline.ts
index 1c1149d..169b8c4 100644
--- a/quartz/components/scripts/graph.inline.ts
+++ b/quartz/components/scripts/graph.inline.ts
@@ -1,6 +1,6 @@
 import { ContentDetails } from "../../plugins/emitters/contentIndex"
 import * as d3 from 'd3'
-import { registerEscapeHandler } from "./handler"
+import { registerEscapeHandler, relative, removeAllChildren } from "./util"
 
 type NodeData = {
   id: string,
@@ -13,19 +13,19 @@
   target: string
 }
 
-function relative(from: string, to: string) {
-  const pieces = [location.protocol, '//', location.host, location.pathname]
-  const url = pieces.join('').slice(0, -from.length) + to
-  return url
+const localStorageKey = "graph-visited"
+function getVisited(): Set<string> {
+  return new Set(JSON.parse(localStorage.getItem(localStorageKey) ?? "[]"))
 }
 
-function removeAllChildren(node: HTMLElement) {
-  while (node.firstChild) {
-    node.removeChild(node.firstChild)
-  }
+function addToVisited(slug: string) {
+  const visited = getVisited()
+  visited.add(slug)
+  localStorage.setItem(localStorageKey, JSON.stringify([...visited]))
 }
 
 async function renderGraph(container: string, slug: string) {
+  const visited = getVisited()
   const graph = document.getElementById(container)
   if (!graph) return
   removeAllChildren(graph)
@@ -117,9 +117,14 @@
 
   // calculate radius
   const color = (d: NodeData) => {
-    // TODO: does this handle the index page
     const isCurrent = d.id === slug
-    return isCurrent ? "var(--secondary)" : "var(--gray)"
+    if (isCurrent) {
+      return "var(--secondary)"
+    } else if (visited.has(d.id)) {
+      return "var(--tertiary)"
+    } else {
+      return "var(--gray)"
+    }
   }
 
   const drag = (simulation: d3.Simulation<NodeData, LinkData>) => {
@@ -261,9 +266,9 @@
   })
 }
 
-function renderGlobalGraph() {
+async function renderGlobalGraph() {
   const slug = document.body.dataset["slug"]!
-  renderGraph("global-graph-container", slug)
+  await renderGraph("global-graph-container", slug)
   const container = document.getElementById("global-graph-outer")
   container?.classList.add("active")
 
@@ -280,9 +285,22 @@
 
 document.addEventListener("nav", async (e: unknown) => {
   const slug = (e as CustomEventMap["nav"]).detail.url
+  addToVisited(slug)
   await renderGraph("graph-container", slug)
 
   const containerIcon = document.getElementById("global-graph-icon")
   containerIcon?.removeEventListener("click", renderGlobalGraph)
   containerIcon?.addEventListener("click", renderGlobalGraph)
 })
+
+let resizeEventDebounce: number | undefined = undefined
+window.addEventListener('resize', () => {
+  if (resizeEventDebounce) {
+    clearTimeout(resizeEventDebounce)
+  }
+
+  resizeEventDebounce = window.setTimeout(async () => {
+    const slug = document.body.dataset["slug"]!
+    await renderGraph("graph-container", slug)
+  }, 50)
+})

--
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