From f0c18b86066dc22da255d4a783f913b7c08d9791 Mon Sep 17 00:00:00 2001
From: gytic <149968794+gytic@users.noreply.github.com>
Date: Mon, 21 Jul 2025 12:14:56 +0200
Subject: [PATCH] feat(palette): save toggle state to URL

---
 .../QuerySynchronizedDetails.astro            | 84 +++++++++++++++++++
 src/pages/palette/index.astro                 |  9 +-
 2 files changed, 89 insertions(+), 4 deletions(-)
 create mode 100644 src/pages/palette/_components/QuerySynchronizedDetails.astro

diff --git a/src/pages/palette/_components/QuerySynchronizedDetails.astro b/src/pages/palette/_components/QuerySynchronizedDetails.astro
new file mode 100644
index 00000000..183fe9eb
--- /dev/null
+++ b/src/pages/palette/_components/QuerySynchronizedDetails.astro
@@ -0,0 +1,84 @@
+---
+import type { FlavorName } from "@catppuccin/palette";
+
+interface Props {
+  flavor: FlavorName;
+}
+
+const { flavor } = Astro.props as Props;
+---
+
+<script>
+  const flavors = ["mocha", "frappe", "latte", "macchiato"];
+
+  const query_key = "hidden";
+  const listSeperator = "-";
+
+  flavors.map((flavorName) => {
+    const details = document.querySelector(`details.${flavorName}`) as HTMLDetailsElement | null;
+    if (!details) {
+      console.warn("Details not found for flavor: " + flavorName);
+      return;
+    }
+    details.open = flavorIsOpen(flavorName);
+    details.addEventListener("toggle", () => {
+      changeFlavorOpen(flavorName, details.open);
+    });
+  });
+
+  function flavorIsOpen(flavor: string) {
+    const query = new URLSearchParams(window.location.search);
+    const hiddenFlavors = query.get(query_key) ?? "";
+    return hiddenFlavors.indexOf(flavor) === -1;
+  }
+
+  function changeFlavorOpen(flavor: string, open: boolean) {
+    const query = new URLSearchParams(window.location.search);
+    let hiddenFlavors = query.get(query_key) ?? "";
+
+    if (open) {
+      // show flavor
+
+      if (hiddenFlavors.indexOf(flavor) === -1) {
+        return; // flavor already shown
+      }
+
+      hiddenFlavors = hiddenFlavors
+        .split(listSeperator)
+        .filter((hiddenFlavor) => hiddenFlavor != flavor)
+        .join(listSeperator);
+    } else {
+      // hide flavor
+
+      if (hiddenFlavors.indexOf(flavor) !== -1) {
+        return; // flavor already hidden
+      }
+
+      if (hiddenFlavors !== "") {
+        hiddenFlavors += listSeperator;
+      }
+
+      hiddenFlavors += flavor;
+    }
+
+    if (hiddenFlavors === "") {
+      query.delete(query_key);
+    } else {
+      query.set(query_key, hiddenFlavors);
+    }
+
+    let nextUrl = location.pathname;
+    if (query.toString() !== "") {
+      nextUrl += "?" + query.toString();
+    }
+    if (location.hash !== "") {
+      nextUrl += "#" + location.hash;
+    }
+    history.pushState(history.state, "", nextUrl);
+  }
+</script>
+
+<details class={flavor}>
+  <slot name="summary" />
+  <slot name="info" />
+</details>
diff --git a/src/pages/palette/index.astro b/src/pages/palette/index.astro
index d2e53e21..68b2795a 100644
--- a/src/pages/palette/index.astro
+++ b/src/pages/palette/index.astro
@@ -8,6 +8,7 @@ import Default from "@layouts/Default.astro";
 import PageIntro from "@components/PageIntro.astro";
 
 import CopyToClipboardIcon from "./_components/CopyToClipboardButton.svelte";
+import QuerySynchronizedDetails from "./_components/QuerySynchronizedDetails.astro";
 import FlavorName from "./_components/FlavorName.astro";
 
 const toRgb = (rgb: ColorFormat["rgb"]) => {
@@ -53,13 +54,13 @@ const toHsl = (hsl: ColorFormat["hsl"]) => {
       {
         flavorEntries.map(([flavorName, flavor]) => (
           <div class="flavor">
-            <details open>
-              <summary>
+            <QuerySynchronizedDetails flavor={flavorName}>
+              <summary slot="summary">
                 <h2 id={`flavor-${flavorName}`} class="flavor-name">
                   <FlavorName flavor={flavorName} bold={false} />
                 </h2>
               </summary>
-              <table class="color-list" cellspacing="0">
+              <table class="color-list" cellspacing="0" slot="info">
                 <thead>
                   <tr class="color-list-header">
                     <th>Color</th>
@@ -93,7 +94,7 @@ const toHsl = (hsl: ColorFormat["hsl"]) => {
                   ))}
                 </tbody>
               </table>
-            </details>
+            </QuerySynchronizedDetails>
           </div>
         ))
       }