feat(graph): obsidianLikeFocusOnHover (#1017)

* feat(graph): obsidianLikeFocusOnHover

* fix: prettier

* fix: remove option from config

* fix: for when opacityOld < 0.2

* fix: prettier

Author: dnbln

quartz/components/scripts/graph.inline.ts

@@ -223,6 +223,18 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
           .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
@@ -245,6 +257,12 @@ async function renderGraph(container: string, fullSlug: FullSlug) {
       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